Region | Title | System | Version | Edition | Languages | Serial | Status |
| U.B. Funkeys | PC | | Bundled with Starter Kit | | | |
| UAV Predator | PC | | Original | | | |
| Ubi Qianxi Youxi Zhanshipan (Disc 2) 育碧千禧游戏展示盘 | PC | | Demo | | | |
| Uli Stein Vol. 2: 3D Mahjongg | PC | | Original | | | |
| Ultim@te Race Pro | PC | | Original | | MPX93436D01R | |
| Ultim@te Race Pro | PC | | Bundle Version OEM | | MPX93436D01R, P/N: 1713320369 | |
| Ultim@te Race Pro | PC | | Covermount | | MP193436D01R ENGLISH | |
| Ultim@te Race Pro | PC | | Original | | 0-531-47-101 | |
| 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 Underworld I & II Ultima Underworld: The Stygian Abyss / Ultima Underworld II: Labyrinth of Worlds | PC | | CD-ROM Classics | | 5470 | |
| Ultima VIII: Pagan | PC | | CD-ROM Classics | | ORX05101284D | |
| 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 Mahjongg | PC | | Original | | P/N 10081 | |
| Ultimate Mahjongg 5 | PC | | ValuSoft | | P/N: 10222 | |
| Ultimate Mahjongg 5 | PC | | GSP | | 1237A | |
| Ultimate Pinball | PC | | Original | | | |
| Ultimate Pinball | PC | | Original | | P/N: 10198 | |
| Ultimate Racing Demo | PC | | Original | | | |
| Ultimate Ride Coaster Deluxe | PC | | Original | | H0919 | |
| The Ultimate RPG Archives (Disc 2) | PC | | Original | | CD-ICD-748-1 | |
| The Ultimate RPG Archives (Disc 4) (Might & Magic: World of Xeen Disk B) | PC | | Original | | CD-ICD-748-3 | |
| 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 Word Attack | PC | | Original | | | |
| Ultra Mahou Shoujo Manana Vol. 5 ウルトラ魔法少女まなな Vol.5 | PC | | Original | | MANANA-05 | |
| Under a Killing Moon (Disc 2) | PC | | Original | | USG 001 - 2 | |
| Under a Killing Moon (Disc 3) | PC | | Original | | USG001 - 3 | |
| Under a Killing Moon (Disc 4) | PC | | Original | | USG001 - 4 | |
| Under a Killing Moon (Disc 1) (Versione Italiana Up-Grade) | PC | | Original | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Die Ungelösten Fälle von Sherlock Holmes: Das Geheimnis der Tätowierten Rose | PC | | Original, CD ROM Classics | | EAG05100305D | |
| Die Unglaublichen: The Incredibles: Der Angriff des Tunnelgräbers (Disc 1) Disney präsentiert einen Pixarfilm: Die Unglaublichen: The Incredibles: Der Angriff des Tunnelgräbers | PC | | Original | | 4005209066969 | |
| Universal CD-ROM: New Age Interactive 12.8 | PC | | Original | | NAI 12.8 | |
| Universal CD-ROM: New Age Interactive 8.4 | PC | | Original | | NAI 8.4 | |
| Universal Combat | PC | | Original | | PCO404CD | |
| Unlock the Secrets: Shadow Warrior | PC | | Original | | P/N 7351 | |
| Unreal Anthology | PC | | Original | | DVD-UTA-EU | |
| Unreal Anthology | PC | | Original | | | |
| Unreal Anthology | PC | | Original | | | |
| Unreal II + Unreal Championship (First Look CD) | PC | | Totally Unreal | | 04-22651CD | |
| Unreal II: The Awakening (Disc 1) (Install Disc) | PC | | Original | | U2APCD/DISC1 | |
| Unreal II: The Awakening (Disc 2) (Play Disc) | PC | | Original | | U2APCD/DISC2 | |
| Unreal Tournament III | PC | | Original | | DVD-UT3-G | |
| Unreal Tournament III (Bonus Disc) | PC | | Collector's Edition, eXtra Klasyka XK Gold | | | |
| Urban Assault | PC | | Original, Bundle Version Microsoft OEM | | 0598 Part No. X03-58120 | |
| Urban Chaos | PC | | Covermount | | | |
| Urban Runner (Disc 1) | PC | | Original | | | |
| Urban Runner (Disc 4) | PC | | Original | | S4200210Z1204 | |
| Uru: Ages Beyond Myst | PC | | Original, OEM Bundle, Collector's Edition | | G71-URGA001 | |
| Uru: Complete Chronicles (Disc 1) | PC | | Original | | 652038-CD1 | |
| Uru: Complete Chronicles (Disc 2) | PC | | Original | | 652038-CD2 | |
| Uru: The Path of the Shell | PC | | Original | | | |
| USS Ticonderoga: Life and Death on the High Seas | PC | | MegaTriPak | | 2201510-590001/I104100M | |
| Uznicy zamka Knatterfel' Узницы замка Кнаттерфель | PC | | Original | | | |
| U.S. Navy Fighters | PC | 1.0 | Original, Not For Resale | | 5441, 7432 | |
| The Ultimate Hoyle Anniversary Collection | PC | 1.0 | Original | | 36450-DVD | |
| The Ultimate RPG Archives (Disc 5) (Wizardry Gold) | PC | 1.0 | Original | | CD-ICD-748-4 | |
| Ultimate Strategy Archives: Classic Strategy (Disc 4) Dark Colony | PC | 1.0 | Original | | CD-ICD-825-E4 | |
| Ultimate Yahtzee | PC | 1.0 | Original | | 99006 | |
| Unlock the Secrets: Blood | PC | 1.0 | Original | | P/N 7330 | |
| Unreal II: The Awakening (Disc 1) | PC | 1.0 | Original | | 1009543 | |
| Unreal II: The Awakening (Disc 2) | PC | 1.0 | Original | | 1009545 | |
| Unreal II: The Awakening (Disc 3) (Play Disc) | PC | 1.0 | Original | | 1003551 | |
| Unreal II: The Awakening (Install Disc) | PC | 1.0 | Original | | Part# 22650CD1 | |
| Unreal II: The Awakening (Play Disc) | PC | 1.0 | Original | | Part# 22650CD2 | |
| Unreal Tournament III | PC | 1.0 | Original, Collector's Edition, Best Buy | | | |
| Uplink: Trust Is a Weakness | PC | 1.0 | Rerelease | | | |
| Uru: Ages Beyond Myst | PC | 1.0 | Original | | 651093-CD | |
| Universe at War: Earth Assault | PC | 1.0 (86418) | Original, Covermount | | SEGA-PC058 | |
| Ultimate Domain | PC | 1.0.0 | Ergo Software | | RIT026, TDG026 | |
| Ultimate Spider-Man | PC | 1.0.0.1 | Original, Best of Activision | | 32857.101.00, 32857.101.5E | |
| US Racer | PC | 1.0.0.21 | Original | | USRAC, USRACDE, USRACUK | |
| Ultimate Blu | PC | 1.0.0.3 | Original | | | |
| 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 Trump ウルト・ラトランプ | PC | 1.00 | Ultra 2000/Ultra Series | | MKW-097 | |
| Urlaubs Raser | PC | 1.00 | Jewel Case Budget | | URLAUBDE | |
| The Ultimate Sports Quiz | PC | 1.00.0000 | Original | | Oxy06-534483 | |
| Ultima Collection | PC | 1.02F | CD-ROM Classics, PC Game Bundle | | 1172007 | |
| Ultima Collection | PC | 1.02F | Original | | 1050307 | |
| Ultima IX: Ascension (Game Disc) 創世紀IX | PC | 1.03f | Original | | 1051017 | |
| 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 (Play Disc) | PC | 1.03F, 1.18F | Original, Ultima: Best of Both Worlds: Special Value Edition | | 1051017 | |
| Undertale | PC | 1.08 | Collector's Edition | | | |
| U.S. Navy Fighters | PC | 1.1 | CD-ROM Classics | | 5852 | |
| Ultimate Solitaire 1000 Ultimate Solitaire 1000 Unique Games | PC | 1.1 | Original | | P/N: 10568 | |
| Ultima IX: Ascension (Game Disc) | PC | 1.18F | Original | | ORE08901538D2 | |
| Ultima IX: Ascension (Install Disc) | PC | 1.18F | Original | | ORE08901538D1 | |
| Ultima IX: Ascension (Install Disc) | PC | 1.18F | Original, Ultima: Best of Both Worlds: Special Value Edition | | 1051037 | |
| U.S. Navy Fighters: Gold | PC | 1.2 | Original | | 7654 | |
| The Ultimate RPG Archives (Disc 1) (Stonekeep) | PC | 1.2 | | | CD-ICD-748-0 | |
| Upptäck Rymden med Mulle Meck | PC | 1.3 | Original | | KS0061 | |
| UFO: Afterlight | PC | 1.4 | Edice PC Her abc | | | |
| UFO: Afterlight | PC | 1.4 | 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 | PC | 1.9 | Original | | 04-10333CD | |
| Unreal Mission Pack I: Return to Na Pali | PC | 100 | Totally Unreal | | UNREMISPCCOMGBFEI/A | |
| Ultima VIII: Pagan | PC | 2.12 | CD-ROM Classics: Gold Edition | | 5572 | |
| Urban Chaos | PC | 2.63 | Original | | | |
| Umineko no Naku Koro ni: Dai 2 Wa うみねこのなく頃に 第二話 | PC | 2007/1231 ver. | Original | | | |
| Umineko no Naku Koro ni: Dai 3 Wa うみねこのなく頃に 第三話 | PC | 20080816 ver. | Original | | | |
| Unreal Tournament 2003 (Disc 1) | PC | 2107 | Original | | 1004250, Part# 23956CD1 | |
| Unreal Tournament 2003 (Disc 2) | PC | 2107 | Original | | 1007457, Part# 23956CD2 | |
| Unreal Tournament 2003 (Disc 3) | PC | 2107 | Original | | 1007459, Part# 23956CD3 | |
| Unreal | PC | 223m | Bundle Version 3Dfx OEM | | 170-0019-102 | |
| Unreal Gold | PC | 226b | Serie MAX | | | |
| Unreal Gold | PC | 226b | Original, Totally Unreal | | 04-19951CD | |
| 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 | |
| Unreal Tournament 2004 (Play Disc) | PC | 3186 | Original | | 1013412 | |
| Unreal Tournament 2004 (Play Disc) | PC | 3186 | Original, Special Edition | | | |
| Unreal Tournament 2004 (Play Disc) | PC | 3186 | Original | | 10183730A | |
| Unreal Tournament 2004 (Play Disc) | PC | 3186 | Original | | Part # 25012CD6 | |
| Unreal Tournament 2004 (Disc 1) (Install Disc) | PC | 3186 | Original | | 1012407, Part # 25012CD1 | |
| Unreal Tournament 2004 (Disc 4) | PC | 3186 | Original | | 1013410, Part # 25012CD4 | |
| Unreal Tournament 2004 (Disc 5) | PC | 3186 | Original, Rerelease | | 1013411, Part # 25012CD5 | |
| Unreal Tournament 2004 (Disc 2) 언리얼 토너먼트 2004 | PC | 3186 | Original | | 1013408, Part # 25012CD2 | |
| Unreal Tournament 2004 (Disc 3) 언리얼 토너먼트 2004 | PC | 3186 | Original | | 1013409, Part # 25012CD3 | |
| Unreal Tournament III | PC | 3487 | Original, Collector's Edition | | DVD-UT3-EU | |
| Unreal Tournament III | PC | 3487 | Original | | | |
| Unreal Tournament (Disc 1) (Game) | PC | 400 | Original | | | |
| Unreal Tournament (Disc 1) (Game) | PC | 400 | Original, Rerelease | | 04-18115CD1A | |
| Unreal Tournament (Disc 1) (Game) | PC | 400 | Original | | 04-18115CD1 | |
| Unreal Tournament (Disc 2) (Extras) | PC | 400 | Original, Best of Infogrames | | 04-18115CD2, 04-18155CD2 | |
| Unreal Tournament | PC | 428 | Bundle Version Creative Labs OEM | | 04-18115CD | |
| Unreal Tournament (Disc 1) | PC | 432 | Game of the Year Edition, Game of the Year Edition (Totally Unreal) | | 04-21165CD1 | |
| Unreal Tournament (Disc 2) | PC | 432 | Game of the Year Edition, Game of the Year Edition (Totally Unreal), Game of the Year Edition (Rerelease) | | 04-21165CD2, Part# 21160CD2 | |
| Unreal Tournament (Disc 1) (Game) | PC | 436 | Game of the Year Edition (Totally Unreal), Game of the Year Edition (Best of Infogrames), Game of the Year Edition (Best of Infogrames: Azione) | | UNRETOPCBO&COMGBFEI/A1 | |
| Unreal | PC | Jul 1 1998 | Original, Replay, Vicious, Trio Infernale | | CD-W95-1816-E1 | |
| Unreal | PC | Jul 1 1998 | Covermount, Totally Unreal, Cool Games Zabawa, Replay Action | | BOUNREPCGFDEI/A, UNREMISPCCOMGBFI/A, UNREPCCOMGBFDEI/A | |
| Unreal | PC | Jul 1 1998 | Covermount | | | |
| Unreal | PC | Jul 18 1998 | Bundle Version OEM | | P/N: 1713320402 | |
| Unreal | PC | Jun 25 1998 | Original | | 04-12527CD2 | |
| Unreal | PC | May 17 1998 | Original | | 04-12527CD1 | |