Region | Title | System | Version | Edition | Languages | Serial | Status |
| U-bon TGS 2003: Hao Nan Hao Nu Bao 優邦TGS2003好男好女包 | PC | | | | | |
| U-Move Super Sports | PS2 | 1.00 | Preview | | SLES-52594 | |
| U-Move Super Sports | PS2 | 1.02 | Original | | SLES-52594 | |
| U-SA 右左 | PSX | | Original | | SLPS 02693 | |
| U: Underwater Unit -U- アンダーウォーターユニット | PS2 | 1.01 | Taikenban | | SLPM 60176 | |
| U: Underwater Unit -U- アンダーウォーターユニット | PS2 | 1.01 | Original | | SLPS 20194 | |
| U.B. Funkeys | PC | 1 | Original | | | |
| U.B. Funkeys | PC | | Bundled with Starter Kit | | | |
| U.F.O.s | PC | | Original | | | |
| U.P.P. U.P.P. | PSX | | Original | | SLPS 01480 | |
| U.S. Navy Fighters | PC | | Original | | E1925CED | |
| U.S. Navy Fighters | PC | | Original | | E1925CGD | |
| U.S. Navy Fighters U.S.ネイビー・ファイターズ | PSX | | Original | | SLPS 00994 | |
| U.S. Navy Fighters | PC | 1.0 | Original, Not For Resale | | 5441, 7432 | |
| U.S. Navy Fighters | PC | 1.1 | CD-ROM Classics | | 5852 | |
| U.S. Navy Fighters: Gold | PC | 1.2 | Original | | 7654 | |
| U.S.N.F. Gold | PC | | Original | | E3355CGD | |
| UAV Predator | PC | | Original | | | |
| Übersiedler S2 WeltROM: Welten für "Die Siedler II" | PC | | Original | | | |
| UberSoldier (Disc 1) | PC | | Original | | | |
| UberSoldier (Disc 2) | PC | | Original | | | |
| UberSoldier (Disc 3) | PC | | Original | | | |
| Ubi Qianxi Youxi Zhanshipan (Disc 1) 育碧千禧游戏展示盘 | PC | | Bundled with PC Game | | | |
| Ubi Qianxi Youxi Zhanshipan (Disc 2) 育碧千禧游戏展示盘 | PC | | Demo | | | |
| Ubi Xinpin Zhanshipan 育碧新品展示盘 | PC | | PC Game Bundle | | | |
| Ubik | PSX | | Original | | SLES-00722 | |
| Ubik (Disc 1) | PC | | Original | | UBENPC-CD1 | |
| Ubik (Disc 2) | PC | | Original | | UBENPC-CD2 | |
| Ubik (Disc 3) | PC | | Original | | UBENPC-CD3 | |
| Ubik (Disc 1) | PC | | Original | | UBGERPC-CD1 | |
| Ubik (Disc 2) | PC | | Original | | UBGERPC-CD2 | |
| Ubik (Disc 3) | PC | | Original | | UBGERPC-CD3 | |
| Ubik (Disc 1) | PC | | Original | | UBENPC-CD1 | |
| Ubik (Disc 2) | PC | | Original | | UBENPC-CD2 | |
| Ubik (Disc 3) | PC | | Original | | UBENPC-CD3 | |
| Ubisoft Digital Press Kit 99 U.S.A./North America | PC | | Press Kit | | | |
| Ubisoft E3 2004 Press Kit (Disc 1) | PC | | Press Kit | | | |
| Ubisoft E3 2004 Press Kit (Disc 2) | PC | | Press Kit | | | |
| Ubisoft Entertainment: Digital Press Kit: E3 Atlanta 1998 ~ Press Kit | PC | | Press Kit | | | |
| Ubisoft presents: Digital Press Kit 1999 | PC | | | | | |
| Ubisoft Press Kit: E3 2005 Ubisoft Press Kit: E3 2005: Los Angeles 18/19/20 May | PC | | Press Kit | | | |
| Ubisoft: E3 2006: Los Angeles: May 10-12: Press Kit | PC | | Press Kit | | | |
| Ubisoft: E3 Press Kit (Disc 1) (Corporate 2002) | PC | | Press Kit | | | |
| Ubisoft: E3 Press Kit (Disc 2) (Games 2002) | PC | | Press Kit | | | |
| Ubisoft: ECTS 99 (Disc 1) | PC | | Press Kit | | | |
| Ubisoft: ECTS 99 (Disc 2) | PC | | Press Kit | | | |
| Ubisoft: Play in 3D: Press Kit | PC | | Press Kit | | | |
| Uchebna Kompyutarna Igra: Poznaj Notite Учебна Компютърна Игра "Познай Нотите" | PC | | Original | | | |
| Uchi ni Pochi ga Yattekita in my Pocket 家にポチがやってきた in my pocket | PSX | | Original | | SLPM 86190 | |
| Uchuu Goushouden: Bakuretsu Akindo 爆裂商人 宇宙豪商伝 | PSX | | Original | | SLPS 00236 | |
| Uchuu Kaitou Funny Bee 宇宙快盗ファニーBee | FMT | | Original | | | |
| Uchuu no Rendezvous: Rama (Disc 1) 宇宙のランデヴー~RAMA~ | PSX | | Original | | SLPS 00826 | |
| Uchuu no Rendezvous: Rama (Disc 1) 宇宙のランデヴー RAMA | PC | 1.0 | Original | | SPRW-5017 | |
| Uchuu no Rendezvous: Rama (Disc 2) 宇宙のランデヴー~RAMA~ | PSX | | Original | | SLPS 00827 | |
| Uchuu no Rendezvous: Rama (Disc 2) 宇宙のランデヴー RAMA | PC | 1.0 | Original | | SPRW-5017 | |
| Uchuu no Rendezvous: Rama (Disc 3) 宇宙のランデヴー RAMA | PC | 1.0 | Original | | SPRW-5017 | |
| Uchuu Seibutsu Flopon-kun 宇宙生物フロポン君 | 3DO | | Original | | FZ-SJ2351 | |
| Uchuu Seibutsu Flopon-kun P! 宇宙生物フロポン君P! | PSX | | Original | | SLPS 00032 | |
| Uchuu Senkan Yamato 宇宙戦艦ヤマト | PCE | | Original | | HMCD 2004 | |
| Uchuu Senkan Yamato: Eiyuu no Kiseki 宇宙戦艦ヤマト 英雄の軌跡 | PSX | | Original | | SLPS 02952 | |
| Uchuu Senkan Yamato: Haruka naru Hoshi Iscandar 宇宙戦艦ヤマト 遥かなる星イスカンダル | PSX | | Original | | SLPS 01900 | |
| Uchuu Senkan Yamato: Haruka naru Hoshi Iscandar 宇宙戦艦ヤマト 遥かなる星イスカンダル | PSX | Rev 1 | Original, Bandai the Best | | SLPS 01900 … | |
| Uchuujin tte Naani? うちゅ~じんってなぁに? | PS2 | 1.02 | Original | | SLPM 62070 | |
| Učim Engleski s Hlapićem | PC | 1.0.0.1 | Original | | | |
| Udar' zvezdu Ударь звезду | PC | 1.2.14 | Original | | RUSSOBIT-M 2004/569 | |
| Udarnaya e'skadril'ya: V nebe nad Tixim Ударная эскадрилья: В небе над Тихим | PC | | Original | | | |
| UEFA Challenge | PSX | | Original | | SLES-02806 | |
| UEFA Challenge | PSX | | Original | | SLES-02807 | |
| UEFA Champions League Philips Media presents the UEFA Champions League CD-i | CDI | | Demo | | 818 0063 | |
| UEFA Champions League 1996/1997 UEFA Champions League 1996/1997: Voll der Treffer | PC | | Original | | Catalogue no. 8105153 | |
| UEFA Champions League 2004-2005 (Disc 1) | PC | | Original | | EAI08004461D | |
| UEFA Champions League 2004-2005 (Disc 2) | PC | | Original | | EAI08004461D2 | |
| UEFA Champions League 95/96 UEFA Champions League: Official Preview CD-i of the 1995/96 Season | CDI | | Original | | 810 0288 | |
| UEFA Champions League 95/96 | CDI | 1.04 | Original | | 812 0162 | |
| UEFA Champions League 95/96 UEFA Champions League: Offizielle Vorschau CD-i der Saison 1995/96 | CDI | | Original | | 813 0157 | |
| UEFA Champions League 95/96 | CDI | 1.04 | Original | | 815 0110 | |
| UEFA Champions League 95/96 UEFA Champions League: Officiele Preview CD-i van het Seizoen 1995/96 | CDI | | Original | | 814 0131 | |
| UEFA Champions League 95/96 | CDI | 1.04 | Original | | 816 0071 | |
| UEFA Champions League: Saison 1998/99 | PSX | | Original | | SLES-01744 | |
| UEFA Champions League: Saison 1998/99 | PSX | | Original | | SLES-01745 | |
| UEFA Champions League: Season 1998/99 | PSX | | Original | | SLES-01622 | |
| UEFA Champions League: Season 1999/2000 | PC | | Press Kit | | | |
| UEFA Champions League: Season 1999/2000 | PSX | | Review Code | | | |
| UEFA Champions League: Season 1999/2000 | PSX | | Original | | SLES-02577 | |
| UEFA Champions League: Season 1999/2000 | PSX | | Original | | SLES-02578 | |
| UEFA Champions League: Season 1999/2000 | PSX | | Original | | SLES-02579 | |
| UEFA Champions League: Season 1999/2000 | PC | 1.0 | Original | | | |
| UEFA Champions League: Season 1999/2000 | PSX | | Original | | SLES-02580 | |
| UEFA Champions League: Season 1999/2000 | PSX | | Original | | SLES-02581 | |
| UEFA Champions League: Season 2000/2001 | PSX | | Original | | SLES-03262 | |
| UEFA Champions League: Season 2000/2001 | PSX | | Original | | SLES-03280 | |
| UEFA Champions League: Season 2000/2001 | PSX | | Original | | SLES-03281 | |
| UEFA Champions League: Season 2000/2001 | PSX | | Original | | SLES-03282 … | |
| UEFA Champions League: Season 2000/2001 | PSX | | Original | | SLES-03283 … | |
| UEFA Champions League: Season 2001/2002 | PC | | Original | | | |
| UEFA Champions League: Stagione 1998/99 | PSX | | Original | | SLES-01746 | |
| UEFA Champions League: Temporada 1998/99 | PSX | | Original | | SLES-01747 | |
| UEFA Dream Soccer | DC | 1.003 | Original | | MK-51095-05 | |
| UEFA Dream Soccer | DC | 1.003 | Original | | MK-51095-09 | |
| UEFA Dream Soccer | DC | 1.002 | Original | | MK-51095-18 | |
| UEFA Dream Soccer | DC | 1.002 | Original | | MK-51095-06 | |
| UEFA Euro 2000 | PSX | | Original | | SLES-02704 | |
| UEFA Euro 2000 | PSX | | Original | | SLES-02705 | |
| UEFA Euro 2000 | PC | | Original | | EAG08902998D | |
| UEFA Euro 2000 | PSX | | Original | | SLES-02706 | |
| UEFA Euro 2000 | PSX | | Original | | SLES-02707 | |
| UEFA Euro 2000 | PSX | | Original | | SLES-02708 | |
| UEFA Euro 2004: Portugal | PS2 | 1.01 | Demo | | SLED-52476 | |
| UEFA Euro 2004: Portugal (Disc 1) ยูฟ่า ยูโร 2004: โปรตุเกส | PC | | Original | | | |
| UEFA Euro 2004: Portugal (Disc 2) ยูฟ่า ยูโร 2004: โปรตุเกส | PC | | Original | | | |
| UEFA Euro 96: England | PC | | Original | | | |
| UEFA Euro 96: England | SS | 6.200 | Original | | MK81180-50 | |
| UEFA Manager 2000 | PC | | Original | | UEFMAPCG/A | |
| UEFA Manager 2000 | PC | | Original | | UEFMAPCI/A | |
| UEFA Striker | PSX | | Original | | SLES-01733 | |
| UEFA Striker | DC | 0.800 | Sample (Beta) | | | |
| UEFA Striker | DC | 1.000 | Original | | T-15102D-50 | |
| UFC: Throwdown | PS2 | 1.00 | Trade Demo | | SLUS-28009 | |
| UFC: Throwdown | PS2 | 1.00 | Demo | | SLUS 29022 | |
| UFC: Ultimate Fighting Championship UFC:アルティメット ファイティング チャンピオンシップ | PSX | | Original | | SLPM 86722 | |
| UFC: Ultimate Fighting Championship 2: Tapout アルティメット ファイティング チャンピオンシップ 2 タップアウト | PS2 | 1.01 | Original | | SLPM 62213 | |
| UFC: Ultimate Fighting Championship 2: Tapout | PS2 | 1.00 | Sample | | SLPM 64539 | |
| UFO: A Day in the Life UFO ~A day in the life~ | PSX | | Original | | SLPS 02032 | |
| UFO: Aftermath (Telepíto CD) | PC | | Collectors Edition | | | |
| UFO: Aftermath (Játék CD) | PC | | Collectors Edition | | | |
| UFO: Aftermath (CD di Installazione) | PC | | Classic PC CD-ROM | | | |
| UFO: Aftermath (CD di Gioco) | PC | | Classic PC CD-ROM | | | |
| UFO: Aftermath (Install CD) | PC | | Original | | | |
| UFO: Aftermath (Play CD) | PC | | Original | | | |
| UFO: Enemy Unknown | CD32 | | Original | | | |
| UFO: Enemy Unknown | PC | 1.3 | Telstar Double Value Games | | | |
| UFO: Enemy Unknown + X-COM: Terror from the Deep | PC | | Powerplus | | | |
| UFO: Kolejne Starcie (Disc 1) | PC | UFO:AM RELEASE 1.4 | Original | | CENEGA 321a/2005 | |
| UFO: Kolejne Starcie (Disc 2) | PC | UFO:AM RELEASE 1.4 | Original | | CENEGA 321b/2005 | |
| Ugetsu Kitan 雨月奇譚 | PSX | | Original, Best Price 2500 | | SLPS 00391 … | |
| Ugnat' za 40 sekund Угнать за 40 секунд | PC | | 1C: Igrushki | | SNOW UG20 0101 IR | |
| Uki Uki Island うきうきアイランド | PC-98 | | Original | | FDC-102 | |
| Uki Uki Tsuri Tengoku 2: Hato no Gomokuzuri ウキウキ釣り天国2 波止の五目釣り | MAC | | Original | | TERM-5810 | |
| Uki Uki Tsuri Tengoku 3: Ningyotou no Boat-zuri ウキウキ釣り天国3 人魚島のボート釣り | MAC | | Original | | TERM-5823 | |
| Uki Uki Tsuri Tengoku: Gyoshin Densetsu o Oe ウキウキ釣り天国 ~魚神伝説を追え~ | PSX | | Original | | SLPS 02579 | |
| Uki Uki Tsuri Tengoku: Kawa Monogatari ウキウキ釣り天国 ~川物語~ | PSX | | Original | | SLPS 01521 | |
| Uki Uki Tsuri Tengoku: Ningyo Densetsu no Nazo ウキウキ釣り天国 ~人魚伝説の謎~ | PSX | | Original | | SLPS 00983 | |
| Uki Uki Tsuri Tengoku: Ningyo Densetsu no Nazo ウキウキ釣り天国 ~人魚伝説の謎~ | PSX | | Dual Shock Edition | | SLPS 01571 | |
| Ukrainian Language Acquisition System | PC | | Home Version | | | |
| Ukrayins'ka Literatura: 8 Klas Українська Література: 8 Клас | PC | | Original | | | |
| Ukrayins'ki Narodni Kazky Українські Народні Казки | PC | | Original | | | |
| Uli Stein Kuss-Shooter | PC | | Original | | | |
| Uli Stein Vol. 2: 3D Mahjongg | PC | | Original | | | |
| Uli Stein Vol. 3: Käseschlacht | PC | | Original | | | |
| Uli Stein Vol. 4: Steinschlag | PC | | Original | | | |
| Ulicnici: Indiansky Poklad Uličníci: Indiánský Poklad | PC | | Original | | | |
| Ulihamkke Bulleoyo: Chinguwa Hamkke 우리함께 불러요: 친구와 함께 | CDI | | Original | | ISC 4002 | |
| Ulihamkke Bulleoyo: Jayeongwa Hamkke 우리함께 불러요: 자연과 함께 | CDI | | Original | | ISC 4001 | |
| Ultim@te Race | PC | | Bundle Version PowerVR OEM | | | |
| Ultim@te Race | PC | | Bundle Version VideoLogic OEM | | 10P59 | |
| Ultim@te Race Pro | PC | | Crucial Entertainment | | | |
| Ultim@te Race Pro | PC | | Original | | MPX93436D01R | |
| Ultim@te Race Pro | PC | | Bundle Version Packard Bell OEM | | 6733490100 | |
| Ultim@te Race Pro | PC | | Rerelease | | 53147.331.DL | |
| Ultim@te Race Pro | PC | | Bundle Version OEM | | MPX93436D01R, P/N: 1713320369 | |
| Ultim@te Race Pro | PC | | Bundle Version OEM | | MPX93436D01R | |
| Ultim@te Race Pro | PC | | Covermount | | | |
| Ultim@te Race Pro | PC | | Budget | | MMICDR 5230 | |
| Ultim@te Race Pro | PC | | Covermount | | MP193436D01R ENGLISH | |
| Ultim@te Race Pro | PC | | Covermount | | | |
| Ultim@te Race Pro | PC | | Original | | 0-531-47-101 | |
| Ultima Collection | PC | 1.03F | Original | | ORE08801472D | |
| Ultima Collection ウルティマコレクション | PC | | Original | | LCMW-4001 | |
| Ultima Collection | PC | 1.02F | CD-ROM Classics, PC Game Bundle | | 1172007 | |
| Ultima Collection | PC | 1.02F | Original | | 1050307 | |
| Ultima IV: Quest of the Avatar ウルティマⅣ ~アバタールの伝説~ | FMT | | FM Towns Soft Collection Kaigai-hen Vol. 16 | | HMC-200 | |
| Ultima IX: Ascension (Game Disc) 創世紀IX | PC | 1.03f | Original | | 1051017 | |
| Ultima IX: Ascension (Game Disc) | PC | 1.18F | Original | | ORE08901538D2 | |
| Ultima IX: Ascension (Install Disc) | PC | 1.18F | Original | | ORE08901538D1 | |
| Ultima IX: Ascension (Installations-CD) | PC | 1.18F | Special Limited Gamers Edition | | ORG08901538D2 | |
| Ultima IX: Ascension (Spiel-CD) | PC | 1.18F | Special Limited Gamers Edition | | ORG08901538D1 | |
| Ultima IX: Ascension (Install Disc) ウルティマ Ⅸ アセンション | PC | | Original, Premium Edition | | EMW-4060, EMWS-401 | |
| Ultima IX: Ascension (Game Disc) ウルティマ Ⅸ アセンション | PC | | Original, Premium Edition | | EMW-4060, EMWS-401 | |
| Ultima IX: Ascension (Disc 1) (Install Disc) | PC | 1.03F | Covermount | | | |
| Ultima IX: Ascension (Disc 2) (Game Disc) | PC | 1.03F | Covermount | | | |
| Ultima IX: Ascension (Install Disc) 創世紀IX | PC | 1.03f | Original | | 1051007 | |
| Ultima IX: Ascension (Install Disc) | PC | 1.03F | Original, Dragon Edition | | 1051007 | |
| Ultima IX: Ascension (Game Disc) | PC | 1.03F | Dragon Edition | | 1051017 | |
| Ultima IX: Ascension (Play Disc) | PC | 1.03F, 1.18F | Original, Ultima: Best of Both Worlds: Special Value Edition | | 1051017 | |
| Ultima IX: Ascension (Disc 1) (Install Disc) | PC | | Ultima Online 7th Anniversary Edition | | 1487217 | |
| Ultima IX: Ascension (Disc 2) (Game Disc) | PC | | Ultima Online 7th Anniversary Edition | | 1487227 | |
| Ultima IX: Ascension (Install Disc) | PC | 1.18F | Original, Ultima: Best of Both Worlds: Special Value Edition | | 1051037 | |
| Ultima Online | PC | | Ultima Online 7th Anniversary Edition | | 1487207 | |
| Ultima Online | PC | 1.25 | Original, Charter Edition | | EA 1013607 | |
| Ultima Online 2006 (Disc 1) ウルティマオンライン 2006 | PC | 5.0.2b (Patch 15) | Original | | EOL-7034 | |
| Ultima Online 2006 (Disc 2) ウルティマオンライン 2006 | PC | 5.0.2b (Patch 15) | Original | | EOL-7034 | |
| Ultima Online: 9th Anniversary Collection (Disc 1) | PC | 5.0.4d | Original | | 1530507 | |
| Ultima Online: 9th Anniversary Collection (Disc 2) | PC | 5.0.4d | Original | | 1530517 | |
| Ultima Online: Age of Shadows ウルティマ オンライン 正邪の大陸 | PC | 3.0.8S | DigiCube PC | | DWOMS-00162 | |
| Ultima Online: Lord Blackthorn's Revenge ウルティマ オンライン ブラックソンの復讐 | PC | 3.0.6j | Original, Upgrade-ban | | EMW-4103, EOL-7013, EOL-7014 | |
| Ultima Online: Renaissance | PC | | Play the Games Vol. 3 | | | |
| Ultima Online: Renaissance | PC | | Covermount | | | |
| Ultima Online: Renaissance はじめてのウルティマ オンライン | PC | 3.0.4p | Original | | EOL-7012 | |
| Ultima Online: Renaissance | PC | 1.25.35 | Ultima: Best of Both Worlds: Special Value Edition | | 1407907 | |
| Ultima Online: The Second Age | PC | 1.26.0 | PC Game Bundle | | 1051117 | |
| Ultima Online: The Second Age | PC | 1.25.35 | Special Limited Gamers Edition | | ORG08801547D | |
| Ultima Online: The Second Age ウルティマ オンライン ザ・セカンド エイジ | PC | 1.25.35 | Original | | EOL-7002 | |
| Ultima Online: The Second Age ウルティマ オンライン ザ・セカンド エイジ | PC | 1.26.0 | DigiCube PC | | DWOKD-00047 | |
| Ultima Online: The Second Age | PC | 1.25.35 | Original | | 1051107 | |
| Ultima Online: The Second Age | PC | 1.26.0 | Rerelease | | 1051117 | |
| Ultima Online: Third Dawn | PC | | Original | | ORE08803487D | |
| Ultima Online: Third Dawn ウルティマ オンライン 第3の夜明け | PC | 2.0.7 | Upgrade-ban | | EOL-7010, EOL-7011 | |
| Ultima Online: Third Dawn ウルティマ オンライン 第3の夜明け | PC | 3.0.0c | Original | | EOL-7010, EOL-7011 | |
| Ultima Race | PC | | Original | | | |
| Ultima Trilogy: I, II, III ウルティマ・トリロジー Ⅰ・Ⅱ・Ⅲ | FMT | | FM Towns Soft Collection Kaigai-hen Vol. 8 | | HMB-176 | |
| Ultima Underworld I & II Ultima Underworld: The Stygian Abyss / Ultima Underworld II: Labyrinth of Worlds | PC | | CD-ROM Classics: Gold Edition | | 5738 | |
| Ultima Underworld I & II Ultima Underworld: The Stygian Abyss / Ultima Underworld II: Labyrinth of Worlds | PC | | CD-ROM Classics | | 5470 | |
| Ultima Underworld I & II Ultima Underworld: The Stygian Abyss / Ultima Underworld II: Labyrinth of Worlds | PC | | CD-ROM Edition | | EA 6718 | |
| Ultima Underworld II: Labyrinth of Worlds ウルティマ・アンダーワールドⅡ | FMT | | Original | | | |
| Ultima Underworld: The Stygian Abyss ウルティマ・アンダーワールド | FMT | | Original | | HME-249 | |
| Ultima Underworld: The Stygian Abyss ウルティマ アンダーワールド | PSX | | Original | | SLPS 00742 | |
| Ultima Underworld: The Stygian Abyss ウルティマ アンダーワールド | PSX | Rev 1 | Original | | SLPS 00742 | |
| Ultima Underworld: The Stygian Abyss | PPC | | Original | | | |
| Ultima Underworld: The Stygian Abyss / Wing Commander II: Vengeance of the Kilrathi | PC | | CD-ROM Edition | | | |
| Ultima V: Warriors of Destiny ウルティマⅤ | FMT | | FM Towns Soft Collection Kaigai-hen Vol. 17 | | HMD-112 | |
| Ultima VI: The False Prophet ウルティマⅥ ~偽りの予言者~ | FMT | | FM Towns Soft Collection Kaigai-hen Vol. 18 | | HMC-170 | |
| Ultima VIII: Pagan | PC | | Best Sellers | | | |
| Ultima VIII: Pagan | PC | 2.12 | CD > Hard Drive Edition | | | |
| Ultima VIII: Pagan | PC | | CD-ROM Classics | | ORX05101284D | |
| Ultima VIII: Pagan | PC | | Original | | R9925CXD | |
| Ultima VIII: Pagan | PC | | PC Games Collection Vol. 1 | | ORX05101284D | |
| Ultima VIII: Pagan | PC | | Collezione CD-Rom by C.T.O. | | | |
| Ultima VIII: Pagan ウルティマⅧ ~ペイガン~ | PC-98 | | Original | | EID-4018, ENP-7020 | |
| Ultima VIII: Pagan | PC | 2.12 | CD-ROM Classics: Gold Edition | | 5572 | |
| Ultimate 8 Ball | PSX | | Original | | SLUS-00864 | |
| The Ultimate Add On Collection for Doom & Doom II | PC | | SoftKey | | DDC444AE-CD | |
| The Ultimate Add-On for: Duke Nukem 3D, Command & Conquer, WarCraft II | PC | | Original | | | |
| Ultimate Add-On's Tournament Edition | PC | | Original | | | |
| Ultimate Bible Games Vol. 1 | PC | | Original | | | |
| Ultimate Board Game Collection | PS2 | 1.00 | Original | | SLES-55088 | |
| Ultimate Board Game Collection | PS2 | 1.02 | Original | | SLUS-21366 | |
| Ultimate Body Blows | PC | | Original | | | |
| Ultimate Body Blows | CD32 | | Original | | | |
| Ultimate Body Blows | PC | | Original | | | |
| Ultimate Brain Games | PSX | | Original | | SLES-04024 | |
| Ultimate Brain Games | PSX | | Original | | SLUS-01577 | |
| Ultimate Casino | PS2 | 1.01 | Original | | SLES-52515 | |
| Ultimate CD Issue Six: September 1998 | PC | | | | | |
| Ultimate CD Strategies: Vol 1 Issue 12 | PC | | | | UPCS120299 | |
| Ultimate CD: Issue Eight: April 1998 | PC | | | | UPC080498 | |
| Ultimate CD: Issue Three November 1997 (Disc 1) | PC | | | | UPC031197 | |
| Ultimate CD: Issue Three November 1997 (Disc 2) | PC | | | | UPC031197 | |
| Ultimate CD: Vol 2 Issue 4: December 1998 | PC | | | | UPC161298A | |
| Ultimate Cheats Collection Xploder DC: Ultimate Cheats Collection | DC | 1.000 | Demo | | | |
| Ultimate Cheats für Lara Croft Tomb Raider: The Angel of Darkness | PS2 | 1.00 (European) | Unlicensed | | | |
| Ultimate Cheats: Volume 2 | DC | 1.000 | Unlicensed | | | |
| Ultimate Chess & Checkers | PC | | Original | | ST 123099 | |
| Ultimate Codes Demonstrator | PS2 | 1.10 | Unlicensed | | | |
| Ultimate Codes for Medal of Honor: Frontline | PS2 | 1.10 | Unlicensed | | | |
| Ultimate Codes for Spider-Man | PS2 | 1.10 | Unlicensed | | | |
| Ultimate Codes for Use with Tom Clancy's Splinter Cell | PS2 | SPLIN_US AMERICA | Unlicensed | | | |
| Ultimate Conqueror | PC | | Original | | CD046 | |
| Ultimate Demolition Derby | PC | | Original | | | |
| Ultimate Domain | PC | | Original | | CS090050 | |
| Ultimate Domain | PC | 1.0.0 | Ergo Software | | RIT026, TDG026 | |
| Ultimate Domain | PC | | Rerelease | | 2203510-598001/I095 | |
| Ultimate Domain | PC | | Original | | 2200310-590001/I044 | |
| Ultimate Doom Companion | PC | | Original | | | |
| The Ultimate Doom The Ultimate Doom: Thy Flesh Consumed | PC | 1.9 | Original | | | |
| The Ultimate Doom The Ultimate Doom: Thy Flesh Consumed | PC | 1.9 | Original | | | |
| The Ultimate Doom The Ultimate Doom: Thy Flesh Consumed | PC | 1.9 | for Windows 95 & DOS (Quake and The Ultimate Doom Compilation), for Windows 95 & DOS (Replay) | | | |
| The Ultimate Doom | MAC | | Original | | 04-20053CD | |
| The Ultimate Doom | PC | 1.9 | for Windows 95 | | 04-10722CD | |
| The Ultimate Doom | PC | 1.9 | for Windows 95 | | 04-10722CD | |
| The Ultimate Doom | PC | 1.9 | Original | | 04-10333CD | |
| The Ultimate Doom | PC | 1.9 | for Windows 95 (Rerelease) | | 04-70249CD | |
| The Ultimate Doom | PC | 1.9 | Bundle Version OEM | | 04-90027CD | |
| The Ultimate Doom | PC | 1.9 | The Depths of Doom Trilogy, for Windows 95 (Rerelease) | | | |
| Ultimate Dozen Dash Collection Dozen Dash Pack | PC | | Encore Ecopack | | 27570-CD v1.0 | |
| Ultimate Duck Hunting | PC | | Original | | | |
| Ultimate Fantasy: Manuals | PC | | Dungeons & Dragons Ultimate Fantasy | | | |
| Ultimate Fighting Championship | PSX | | Original | | SLES-02903 | |
| Ultimate Fighting Championship | DC | 1.000 | Original | | T-40203D-50 | |
| Ultimate Fighting Championship UFC:アルティメット・ファイティング・チャンピオンシップ | DC | 1.001 | Original | | T-1241M | |
| Ultimate Fighting Championship | PSX | | Trade Demo | | SLUS-81143 | |
| Ultimate Fighting Championship | PSX | | Original | | SLUS-01143 | |
| Ultimate Fighting Championship | DC | 0.800 | Demo | | T-40204ND | |
| Ultimate Fighting Championship | DC | 1.001 | Original | | T-40204N | |
| The Ultimate Film Quiz The Ultimate TV & Film Quiz | PS2 | 1.00 | Original | | SLES-53596 | |
| The Ultimate Film Quiz | PS2 | 2.00 | Original | | SLES-53596 … | |
| The Ultimate Frank Lloyd Wright: America's Architect | PC | | Promo | | Part No. 60308 | |
| Ultimate Game Challenge | PC | | | | | |
| Ultimate Game Collection | PC | | Original | | 6438 01 | |
| Ultimate Game Pack | PC | | Original | | | |
| The Ultimate Games CD | PC | | | | | |
| Ultimate Games for Boyz (Disc 1) (Power Rangers: Ninja Storm / Construction City) Power Rangers: Ninja Storm / Construction City | PC | | Original | | P/N: 10392-1 | |
| Ultimate Games for Boyz (Disc 2) (Pokémon: Masters Arena / Dino Island) Pokémon: Masters Arena / Dino Island | PC | | Original | | P/N: 10392-2 | |
| Ultimate Games for Girls 2 (Disc 2) (My Fantasy Wedding / Hello Kitty: Dream Carnival) | PC | | Original | | P/N: 10476/2 | |
| Ultimate Hunter アルティメットハンター | PC | | Taikenban | | | |
| Ultimate Hunter (Disc 1) アルティメットハンター | PC | | Original | | | |
| Ultimate Hunter (Disc 2) アルティメットハンター | PC | | Original | | | |
| Ultimate Lemmings | PC | | Replay | | | |
| Ultimate Lemmings (Manual) | PC | | Replay | | | |
| Ultimate Mah-jongg | PC | | Original | | PN:016949 | |
| Ultimate Mahjongg | PC | | Original | | P/N 10081 | |
| Ultimate Mahjongg 10 | PC | | GSP | | 1436A | |
| Ultimate Mahjongg 10 | PC | | Original | | | |
| Ultimate Mahjongg 10 | PC | 1.0.0.1 | Original | | P/N: 10302 | |
| Ultimate Mahjongg 20 | PC | | Original | | P/N: 10578 | |
| Ultimate Mahjongg 5 | PC | | ValuSoft | | P/N: 10222 | |
| Ultimate Mahjongg 5 | PC | | GSP | | 1237A | |
| Ultimate Mahjongg 5 | PC | | GSP | | 1536A | |
| The Ultimate Might and Magic Archives | PC | | Original | | CD-C95-1005-0 | |
| Ultimate Mind Games | PS2 | 1.01 | Original | | SLES-51625 | |
| Ultimate Mortal Kombat 3 | SS | 1.007 | Original | | T-25403H-50 | |
| Ultimate Mortal Kombat 3 | SS | 2.000 | Original | | T-25403H-50 | |
| Ultimate Mortal Kombat 3 | SS | 1.006 | Original | | T-9701H | |
| The Ultimate Music Quiz | PS2 | 1.00 | Original | | SLES-53599 | |
| The Ultimate Music Quiz | PS2 | 2.00 | Original | | SLES-53599 … | |
| The Ultimate Music Quiz | PC | 1.00.0000 | Atari Real Value | | Oxy06-534346 | |
| The Ultimate Noah's Ark | CDI | | Original | | 310690060-2 | |
| The Ultimate Noah's Ark | CDI | 1.15 | Original | | 811 0031 | |
| Ultimate Pinball | PC | | Original | | | |
| Ultimate Pinball | PC | | Original | | P/N: 10198 | |
| Ultimate Pinball Challenge | PC | | Original | | | |
| Ultimate Pinball Extreme | PC | | Original | | P/N: 10464 | |
| The Ultimate Pirate Adventure CD-ROM | PC | | The Dandy Bundle | | | |
| Ultimate Pool | PC | 1.1 | Original | | | |
| Ultimate Pro Pinball | PS2 | 1.01 | Original | | SLES-53508 | |
| Ultimate Pro Pinball アルティメット プロ ピンボール | PS2 | 1.02 | Original | | SLPM 62698 | |
| Ultimate Puzzles 1001 Ultimate Puzzles 1000 | PC | | Original | | P/N: 10420 | |
| Ultimate Puzzles 500 | PC | 1.0a | Original | | P/N: 10296 | |
| Ultimate Racing Demo | PC | | Original | | | |
| Ultimate Ride | PC | 1.0 | Original | | DAE08403712D, UK ULT SG 07 | |
| Ultimate Ride | PC | 1.00.000 | Original | | G2939 | |
| Ultimate Ride Coaster Deluxe | PC | | Original | | H0919 | |
| Ultimate Ride: Disney Coaster | PC | | | | H6406 | |
| Ultimate Ride: Disney Coaster | PC | | Original | | H6406 | |
| The Ultimate RPG Archives (Disc 1) (Stonekeep) | PC | 1.2 | | | CD-ICD-748-0 | |
| The Ultimate RPG Archives (Disc 2) | PC | | Original | | CD-ICD-748-1 | |
| The Ultimate RPG Archives (Disc 3) (Might & Magic: World of Xeen Disk A) | PC | | Original | | CD-ICD-748-2 | |
| The Ultimate RPG Archives (Disc 4) (Might & Magic: World of Xeen Disk B) | PC | | Original | | CD-ICD-748-3 | |
| The Ultimate RPG Archives (Disc 5) (Wizardry Gold) | PC | 1.0 | Original | | CD-ICD-748-4 | |
| The Ultimate Series of Vincent van Gogh Vol. 1 | PHOTO-CD | | Original | | | |
| The Ultimate Seven | PC | | | | | |
| Ultimate Soccer Manager 2 | PC | 1.02 | Original | | S9280220Z12ZZ | |
| Ultimate Soccer Manager 98 | PC | 1.05 | Original | | S7000320Z12ZZ | |
| Ultimate Soccer Manager 98 | PC | 1.07 | | | SO 014725 | |
| Ultimate Soccer Manager 98/99 Season Edition | PC | 2.00 | Bundle Version Packard Bell OEM | | 6764950001 | |
| Ultimate Soccer Manager Stagione 98/99 | PC | 2.00 | Original | | S0013990 | |
| Ultimate Solitaire 1000 | PC | | Rerelease | | P/N: 10568 | |
| Ultimate Solitaire 1000 Ultimate Solitaire 1000 Unique Games | PC | 1.1 | Original | | P/N: 10568 | |
| Ultimate Solitaire 500 | PC | | GSP | | 1233A | |
| Ultimate Solitaire 750 | PC | | | | THQ70483.101 | |
| Ultimate Solitaire 750 750 лучших пасьянсов | PC | 1.1 | Original | | | |
| Ultimate Spider-Man (The Making of Ultimate Spider-Man) | PC | | | | 51283.101.US CD PROMO | |
| Ultimate Spider-Man (Disc 1) | PC | 1.0 | Original | | 32857.101.US | |
| Ultimate Spider-Man (Disc 2) | PC | 1.0 | Original | | 32857.102.US | |
| Ultimate Spider-Man (Disc 3) | PC | 1.0 | Original | | 32857.103.US | |
| The Ultimate Sports Quiz | PS2 | 1.00 | Original | | SLES-53597 | |
| The Ultimate Sports Quiz | PC | 1.00.0000 | Original | | Oxy06-534483 | |
| The Ultimate Sports Quiz | PS2 | 2.00 | Original | | SLES-53597 … | |
| Ultimate Strategy Archives: Classic Strategy (Disc 1) | PC | | Original | | CD-ICD-825-E1 | |
| Ultimate Strategy Archives: Classic Strategy (Disc 2) Jagged Alliance: Deadly Games | PC | | Original | | CD-ICD-825-E2 | |
| Ultimate Strategy Archives: Classic Strategy (Disc 3) M.A.X.: Mechanized Assault & Exploration | PC | | Original | | CD-ICD-825-E3 | |
| Ultimate Strategy Archives: Classic Strategy (Disc 4) Dark Colony | PC | 1.0 | Original | | CD-ICD-825-E4 | |
| Ultimate Strategy Archives: Classic Strategy (Disc 1) | PC | | | | CD-C95-825-0 | |
| Ultimate Sudoku | PC | | Original | | 10508 | |
| Ultimate Sudoku | PC | | Original | | 10508 | |
| Ultimate Super Skidmarks | ACD | | Original | | | |
| The Ultimate Trivia CD | PC | | Original | | | |
| The Ultimate Trivia Quiz | PS2 | 1.01 | Original | | SLES-53598 | |
| Ultimate Tycoon (Disc 1) | PC | | Original | | | |
| Ultimate Tycoon (Disc 2) | PC | | Original | | | |
| The Ultimate Wizardry Archives | PC | | Original | | CD-W95-895-E | |
| The Ultimate Wizardry Archives | PC | | Original | | CD-C95-895-0 | |
| The Ultimate Wizardry Archives | PC | | Original | | CD-C95-895-0 | |
| Ultimate Word Attack | PC | | Original | | | |
| The Ultimate World Cup Quiz | PS2 | 1.01 | Original | | SLES-53600 | |
| Ultimate X-Treme Racing | ACD | | Unlicensed | | | |
| Ultimate Yahtzee Yahtzee | PC | 1.07 | Rerelease | | 1012846 | |
| Ultimate Yahtzee Yahtzee | PC | 1.05 | Rerelease | | 15011.342.DL | |
| Ultimate Yahtzee | PC | | Rerelease | | 99006 | |
| Ultimate Yahtzee Ultimate Yahtzee CD-ROM | PC | | Original | | 99006 | |
| Ultimate Yahtzee | PC | | Original | | 99006 | |
| Ultimate Yahtzee | PC | 1.0 | Original | | 99006 | |
| Ultimate Yahtzee | PC | 1.0 | Rerelease | | | |
| Ultimate Yahtzee | PC | 1.0.0.1 | General Mills | | AM801R1 | |
| Ultimate Yahtzee | PC | 1.0.0.6 | General Mills | | | |
| Ultimative Football I | PC | | Soccer Superstars | | | |
| Ultimative Football II | PC | | Soccer Superstars | | | |
| Ultimedia | ACD | | Original | | | |
| Ultimedia II | ACD | | Original | | | |
| Ultimedia III + IV (Disc 1) (Ultimedia 3) Ultimedia III | ACD | | Original | | | |
| Ultimedia III + IV (Disc 2) (Ultimedia 4) Ultimedia IV | ACD | | Original | | | |
| Ultra Box 2-gou ウルトラ・ボックス2号 | PCE | | Original | | JCCD0602 | |
| Ultra Box 3-gou ウルトラ・ボックス3号 | PCE | | Original | | JCCD0603 | |
| Ultra Box 4-gou ウルトラ・ボックス4号 | PCE | | Original | | JCCD1604 | |
| Ultra Box 5-gou ウルトラ・ボックス5号 | PCE | | Original | | JCCD1605 | |
| Ultra Box 6-gou ウルトラ・ボックス6号 | PCE | | Original | | JCCD2606 | |
| Ultra Box Soukan-gou ウルトラ・ボックス創刊号 | PCE | | Original | | JCCD0601 | |
| Ultra CD-i Soccer | CDI | | Original | | 810 0220 | |
| Ultra Collection: Denkspiele Ultra Collection-Volume 6: Denkspiele und Intelligenz Tests | PC | | Original | | UC06 | |
| Ultra Deluxe Volume 1 | PC | | Bundle Version OEM | | | |
| Ultra Fighters | PC | | Original | | | |
| Ultra Fighters | PC | | 2in1 Pack | | | |
| Ultra Fighters Il Mio Computer CD-Rom: 2/2000 (CD B) | PC | | Covermount | | | |
| Ultra Game Players December 1997 | PC | | | | | |
| Ultra Game Players February 1997 | PC | | | | | |
| Ultra Game Players February 1998 | PC | | | | | |
| Ultra Game Players January 1998 | PC | | | | | |
| Ultra Game Players July 1997 | PC | | | | | |
| Ultra Game Players November 1997 | PC | | | | | |
| Ultra Mahou Shoujo Manana Vol. 1 ウルトラ魔法少女まなな Vol.1 | PC | 1.00 | Original | | MANANA-01 | |
| Ultra Mahou Shoujo Manana Vol. 2 ウルトラ魔法少女まなな Vol.2 | PC | | Original | | MANANA-02 | |
| Ultra Mahou Shoujo Manana Vol. 3 ウルトラ魔法少女まなな Vol.3 | PC | | Original | | MANANA-03 | |
| Ultra Mahou Shoujo Manana Vol. 4 ウルトラ魔法少女まなな Vol.4 | PC | | Original | | MANANA-04 | |
| Ultra Mahou Shoujo Manana Vol. 5 ウルトラ魔法少女まなな Vol.5 | PC | | Original | | MANANA-05 | |
| Ultra Resort Keroncuel (Disc 1) ウルトラリゾートケロンキュール | PC | | Original | | TORT-3015 | |
| Ultra Resort Keroncuel (Disc 2) ウルトラリゾートケロンキュール | PC | | Original | | TORT-3016 | |
| Ultra Seven: Chikyu Boei Sakusen ウルトラセブン ~ちきゅうぼうえいさくせん 地球防衛作戦~ | QIS | | Original | | BAPD-10 | |
| Ultra Trump ウルト・ラトランプ | PC | 1.00 | Ultra 2000/Ultra Series | | MKW-097 | |
| Ultra Violent Worlds | ACD | | Original | | | |
| Ultra Violent Worlds | PC | | Dynamite | | DE-023 | |
| UltraBall | PC | | Original | | | |
| Ultrabots | PC | | CD-ROM Classics | | 5389 | |
| Ultraman Nexus ウルトラマンネクサス | PS2 | 1.02 | Original | | SLPS 20420 | |
| Ultraman Powered ウルトラ・マンパワード | 3DO | | Original | | FZ-SJ1451 | |
| Ultraman Powered: Kaiju Gekimetsu Sakusen ウルトラマンパワード ~怪獣撃滅作戦~ | QIS | | Original | | BAPD-04 | |
| Ultraman Quiz King ウルトラマンクイズ王(キング) | PIPPIN | | Original | | BDE-10020 | |
| Ultraman Tiga & Ultraman Dyna: Arata naru Futatsu no Hikari ウルトラマンティガ&ウルトラマンダイナ ~新たなる二つの光~ | PSX | | Original | | SLPS 01455 | |
| Ultraman Zearth ウルトラマンゼアス | PSX | | Original | | SLPS 00652 | |
| Ultraman Zukan ウルトラマン図鑑 | SS | 1.020 | Original | | T-25501G | |
| Ultraman Zukan 2 ウルトラマン図鑑2 | SS | 1.000 | Original | | T-25502G | |
| Ultraman Zukan 3 ウルトラマン図鑑3 | SS | 1.000 | Original | | T-25505G | |
| Ultraman: Alphabet TV e Youkoso ウルトラマン ~アルファベットTVへ ようこそ~ | QIS | | Original | | BAPD-23 | |
| Ultraman: Fighting Evolution ウルトラマン ~ファイティング・エボリューション~ | PSX | | Original, PlayStation the Best | | SLPS 01248 … | |
| Ultraman: Fighting Evolution ウルトラマン ~ファイティング・エボリューション~ | PSX | | Taikenban | | SLPM 80218 | |
| Ultraman: Fighting Evolution 2 ウルトラマン ~ファイティング・エボリューション2~ | PS2 | 1.00 | Taikenban | | SLPM 60190 | |
| Ultraman: Hikari no Kyojin Densetsu ウルトラマン ~光の巨人伝説~ | SS | 1.001 | Original | | T-13308G | |
| Ultraman: Little Adventure | PC | | Original | | | |
| Ultraman: Power Fighter | PC | | Original | | | |
| Ultraman: The Digital Board Game ウルトラマン デジタルボードゲーム | PIPPIN | | Original | | BDE-70002 | |
| Ultraman: The Ultimate Fighting | PC | | Original | | | |
| Ultraverse Prime | MCD | | Double Deal (Ultaverse Prime / Microcosm Bundle) | | T-93325 | |
| Um die Welt in 80 Tagen | PC | | Software Pyramide | | | |
| Um Jammer Lammy | PSX | | Original | | SCES-01753 | |
| Um Jammer Lammy ウンジャマラミー | PSX | | Tentou Houei-you | | PCPX 96150 | |
| Um Jammer Lammy ウンジャマラミー | PSX | | Original, PlayStation the Best | | SCPS 18011 … | |
| Um Jammer Lammy | PSX | | Original | | SCUS-94448 | |
| Um Jammer Lammy | PSX | | Demo | | SCUS-94398 | |
| Umanari 1 Furlong Theater 馬なり1ハロン劇場 | SS | 1.001 | Original | | T-35001G | |
| Umanari 1 Furlong Theater 2 馬なり1ハロン劇場2 | PC-98 | | Original | | | |
| Umapoly うまぽりぃ | PSX | | Original | | SLPM 86403 | |
| Umbro Pro Football (Disc 1) | PC | | Nestlé | | | |
| Umbro Pro Football (Disc 3) | PC | | Nestlé | | | |
| Umezawa Yukari no Taikyoku Igo: Heisei Kiin II 梅沢由香里の対局囲碁 平成棋院2 | PSX | | Original | | SLPS 01767 | |
| Umi no Nushi-tsuri: Takarajima ni Mukatte 海のぬし釣り −宝島に向かって− | PSX | | Original | | SLPS 02172 | |
| Umi no Nushi-tsuri: Takarajima ni Mukatte 海のぬし釣り -宝島に向かって- | PSX | | Taikenban | | SLPM 80459 | |
| Umi no Oh! Yah! 海のOH!YAH! | PSX | | Taikenban | | SLPM 80322 | |
| Umi no Oh! Yah! 海のOH!YAH! | PSX | | Original | | SLPS 01623 | |
| Umihara Kawase Shun 海腹川背・旬 | PSX | | Original, Shokai Tokuten | | SLPS 00643 | |
| Umihara Kawase Shun: Second Edition 海腹川背・旬~セカンドエディション~ | PSX | | Maruan Series 1 | | SLPS 02549 | |
| Umineko no Naku Koro ni: Dai 1 Wa うみねこのなく頃に (第一話) | PC | | Original | | | |
| Umizuri Deluxe 海釣り デラックス | PC | | Bakuhatsu-teki 1480 Series | | RUD-166-1 | |
| Una Giornata con... Barbie | PC | | Covermount | | | |
| Uncle Albert's Fabulous Voyage | PC | | Original | | | |
| Uncle Albert's Magical Album | PC | | Original | | | |
| Uncle Albert's Mysterious Island | PC | | Original | | | |
| Uncle Torys no Daibouken アンクルトリスの大冒険 | PC | | Original | | CAT NO.IB97030 | |
| Uncommon Valour: Campaign for the South Pacific | PC | | Original | | JFC000417 | |
| Uncover featuring Tatjana | CDI | 1.04 | Original | | 810 0331 | |
| Under a Killing Moon (Disc 1) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 2) | PC | | Original | | USG 001 - 2 | |
| Under a Killing Moon (Disc 2) | PC | | Original | | | |
| Under a Killing Moon (Disc 2) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 3) | PC | | Original | | USG001 - 3 | |
| Under a Killing Moon (Disc 3) | PC | | Original | | | |
| Under a Killing Moon (Disc 3) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 4) | PC | | Original | | USG001 - 4 | |
| Under a Killing Moon (Disc 4) | PC | | Original | | | |
| Under a Killing Moon (Disc 4) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 1) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | USG 001 - 1 | |
| Under a Killing Moon (Disc 1) (Versione Italiana Up-Grade) | PC | | Original | | | |
| Under a Killing Moon (Demo Version) | PC | | Demo | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Under a Killing Moon (Disc 2) | PC | | Original | | | |
| Under a Killing Moon (Disc 2) | PC | | Rerelease | | | |
| Under a Killing Moon (Disc 2) | PC | | Original | | | |
| Under a Killing Moon (Disc 3) | PC | | | | | |
| Under a Killing Moon (Disc 3) | PC | | Original | | | |
| Under a Killing Moon (Disc 3) | PC | | Original | | | |
| Under a Killing Moon (Disc 4) | PC | | Original | | | |
| Under a Killing Moon (Disc 4) | PC | | | | | |
| Under a Killing Moon (Disc 4) | PC | | Original | | | |
| Under a Killing Moon (Disc 4) | PC | | Original | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Under Defeat アンダーディフィート | DC | 1.001 | Original, Genteiban | | T-46704M, T-46705M | |
| Under Pressure | PC | | Original | | | |
| The Under Stellars 2 | PC | | Original | | | |
| UnderCover AD2025 Kei アンダーカバー A.D.2025 Kei | DC | 1.005 | Original | | T-39001M | |
| Undercover: Operation Wintersun Undercover: Operation Winter Sun | PC | 1.1 | Original | | | |