Region | Title | System | Version | Edition | Languages | Serial | Status |
| 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 | |
| UFO: Afterlight | PC | 1.4 | Edice PC Her abc | | | |
| Ultimate Ride | PC | 1.0 | Original | | DAE08403712D, UK ULT SG 07 | |
| US Racer | PC | 1.0.0.21 | Original | | USRAC, USRACDE, USRACUK | |
| U.S. Navy Fighters | PC | | Original | | E1925CED | |
| UFO: Afterlight | PC | 1.4 | Original | | | |
| Ultima IX: Ascension (Game Disc) | PC | 1.18F | Original | | ORE08901538D2 | |
| Ultima IX: Ascension (Install Disc) | PC | 1.18F | Original | | ORE08901538D1 | |
| Ultimate Body Blows | PC | | Original | | | |
| Ultimate Domain | PC | 1.0.0 | Ergo Software | | RIT026, TDG026 | |
| 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) | | | |
| 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 4) Dark Colony | PC | 1.0 | Original | | CD-ICD-825-E4 | |
| The Ultimate Wizardry Archives | PC | | Original | | CD-W95-895-E | |
| Under a Killing Moon (Disc 1) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 2) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 3) | PC | | Kixx | | | |
| Under a Killing Moon (Disc 4) | PC | | Kixx | | | |
| Unreal | PC | May 17 1998 | Original | | | |
| Unreal Tournament (Disc 1) (Game) | PC | 400 | Original | | | |
| Unreal Tournament (Disc 2) (Extras) | 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 Action), Game of the Year Edition (Best of Infogrames: Azione) | | 1007390, UNRETOPCBO&COMGBFEI/A2 | |
| Uplink: Trust Is a Weakness | PC | 1.0 | Rerelease | | | |
| Urban Runner (Disc 1) | PC | | Original | | S4200210Z12ZZ | |
| Urban Runner (Disc 2) | PC | | Original | | S4200210Z1202 | |
| Urban Runner (Disc 3) | PC | | Original | | S4200210Z1203 | |
| Ultima VIII: Pagan | PC | | CD-ROM Classics | | ORX05101284D | |
| Uru: The Path of the Shell | PC | | Original | | | |
| Ultimate Strategy Archives: Classic Strategy (Disc 3) M.A.X.: Mechanized Assault & Exploration | PC | | Original | | CD-ICD-825-E3 | |
| 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 | |
| Ultimate Blu | PC | 1.0.0.3 | Original | | | |
| Universe at War: Earth Assault | PC | 1.0 (86418) | Original, Covermount | | SEGA-PC058 | |
| Unreal | PC | Jul 1 1998 | Original, Replay, Vicious, Trio Infernale | | CD-W95-1816-E1 | |
| Unreal | PC | Jul 18 1998 | Bundle Version OEM | | P/N: 1713320402 | |
| Unreal | PC | Jul 1 1998 | Covermount | | | |
| Unreal | PC | Jul 18 1998 | Budget | | MMICDR 5184 | |
| Unreal Anthology | PC | | Original | | DVD-UTA-EU | |
| Unreal Mission Pack I: Return to Na Pali | PC | 100 | Original | | | |
| Unreal Tournament III | PC | 3487 | Original, Collector's Edition | | DVD-UT3-EU | |
| 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 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 Tournament 2004 (Play Disc) | PC | 3186 | Original | | | |
| 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 | |
| Ultimate Spider-Man | PC | 1.0.0.1 | Best of Activision | | 32857.101.5E | |
| 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 | |
| Urban Chaos | PC | 2.69 | Original | | | |
| Urban Chaos | PC | | Covermount | | | |
| Uli Stein Vol. 2: 3D Mahjongg | PC | | Original | | | |
| Ultima Online: Renaissance | PC | | Play the Games Vol. 3 | | | |
| 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 | |
| Unreal | PC | Jul 18 1998 | Bundle Version OEM | | P/N: 1713320718 | |
| 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 | |
| Uprising 2: Lead and Destroy | PC | 1.0 | Gold Games 4 (CD 23) | | SPI 061 | |
| Uprising: Join or Die | PC | | Original | | | |
| Urlaubs Raser | PC | 1.00 | Jewel Case Budget | | URLAUBDE | |
| UFO: Aftermath (CD di Installazione) | PC | | Classic PC CD-ROM | | | |
| UFO: Aftermath (CD di Gioco) | PC | | Classic PC CD-ROM | | | |
| Under a Killing Moon (Disc 1) (Versione Italiana Up-Grade) | PC | | Original | | | |
| Urban Runner (Disc 1) | PC | | Original, Collezione CD-Rom by C.T.O. | | COK506 | |
| Urban Runner (Disc 2) | PC | | Original | | | |
| Urban Runner (Disc 3) | PC | | Original, Collezione CD-Rom by C.T.O. | | COK506 | |
| Urban Runner (Disc 4) | PC | | Original, Collezione CD-Rom by C.T.O. | | COK506 | |
| Uznicy zamka Knatterfel' Узницы замка Кнаттерфель | PC | | Original | | | |
| Upptäck Rymden med Mulle Meck | PC | 1.3 | Original | | KS0061 | |