| Game Name | System |
|---|
| Universal Military Simulator, The (1987)(Intergalactic Development)(de)[cr Megahawk] | Atari ST |
| Universal Military Simulator, The - Scenery Disk 1 (1987)(Intergalactic Development) | Atari ST |
| Universal Military Simulator, The - Scenery Disk 2 (1987)(Intergalactic Development) | Atari ST |
| Universal Monsters & Superhero | Amiga |
| Universal Schrift (19xx)(-) | ZX Spectrum Z80 |
| Universal Soldier (USA) (Proto) | SNES |
| Universal Soldier (USA, Europe) | Genesis |
| Universal Soldier (USA, Europe) | GB |
| Universal Studios Theme Park Adventure | GCN |
| Universal Studios Theme Park Adventure (Europe) (En,Fr,De,Es) | GCN |
| Universal Warrior | Amiga |
| Universe | Atari 800 |
| Universe | Amiga |
| Universe (1984)(Omnitrend)[cr](Disk 1 of 5) | Apple2 |
| Universe (1984)(Omnitrend)[cr](Disk 2 of 5) | Apple2 |
| Universe (1984)(Omnitrend)[cr](Disk 3 of 5) | Apple2 |
| Universe (1984)(Omnitrend)[cr](Disk 4 of 5) | Apple2 |
| Universe (1984)(Omnitrend)[cr](Disk 5 of 5)(Player) | Apple2 |
| Universe (1994)(Core Design) | DOS |
| Universe (1994)(Core)(M4)[!] | CD32 |
| Universe (19xx)(-) | ZX Spectrum Z80 |
| Universe (Barcrest) (Dutch) (MPU4) (DUN) | MAME |
| Universe 3 (1989)(Omnitrend Software)(Disk 1 of 2)(Game)[cr MCA] | Atari ST |
| Universe 3 (1989)(Omnitrend Software)(Disk 2 of 2)(Datas)[cr MCA] | Atari ST |
| Unix Like Tools Volume 531 (UK) (19xx) (Disk 1 of 2) | CPC |
| Unix Like Tools Volume 531 (UK) (19xx) (Disk 2 of 2) | CPC |
| Unix Like Tools Volume 532 (UK) (19xx) (Disk 1 of 2) | CPC |
| Unix Like Tools Volume 532 (UK) (19xx) (Disk 2 of 2) | CPC |
| Unix Like Tools Volume 641 (UK) (19xx) (Disk 1 of 2) | CPC |
| Unix Like Tools Volume 641 (UK) (19xx) (Disk 2 of 2) | CPC |
| Unknown Activision Game #1 (10-29-1982) (Activision) (Prototype) | 2600 |
| Unknown Activision Game #2 (1983) (Activision) (Prototype) | 2600 |
| Unknown Datatech Game (2600 Screen Search Console) (Jone Yuan Telephonic Enterprise Co) | 2600 |
| Unknown Fun World A0-1 game | MAME |
| Unknown Fun World A7-11 game 1 | MAME |
| Unknown Fun World A7-11 game 2 | MAME |
| Unknown Game (MAC #1808) | MAME |
| Unknown Inter Games poker | MAME |
| Unknown Poker PKII/DM | MAME |
| Unknown Soldier - Mokuba no Houkou (J)(Caravan) | NDS |
| Unknown Universal Game (1983) (Universal) (Prototype) | 2600 |
| Unlimited Adventures (1993)(Strategic Simulations Inc) | DOS |
| Unlimited Adventures (1993)(Strategic Simulations Inc)(Rev1) | DOS |
| Unlimited Adventures Module Lost Love (1994)(SSI) | DOS |
| Unlimited Adventures Module Maltrial Trial of Champions (1994)(SSI) | DOS |
| Unlimited Adventures Module Mysterious Island (1994)(SSI) | DOS |
| Unlimited Adventures Module Mystery at Nightvale v1.1 (1994)(SSI) | DOS |
| Unlimited Adventures Module Mystery of Claystone (1994)(SSI) | DOS |
| Unlimited Adventures Module Prisoners of Slave Island (1994)(SSI) | DOS |
| Unlimited Adventures Module Ravenloft (1994)(SSI) | DOS |
| Unlimited Adventures Module Tass Times (1994)(SSI) | DOS |
| Unlimited Adventures Module The Cult of Nightstone (1994)(SSI) | DOS |
| Unlimited Adventures Module The Dwarves of Moria v1.1 (1994)(SSI) | DOS |
| Unlimited Saga (Europe) | PS2 |
| Unlimited Saga (Japan) (SLPS-25199) | PS2 |
| Unlimited Saga (USA) | PS2 |
| Unnatural Selection (1993)(Maxis) | DOS |
| Unnecessary Roughness (1995)(Accolade) | DOS |
| Unnecessary Roughness 95 (USA) | Genesis |
| Unnecessary Roughness Original Install (1995)(Accolade) | DOS |
| Unnessecary Roughness Update (1995)(Accolade) | DOS |
| Uno (19xx)(-) | X68K |
| Uno (19xx)(-)[a] | X68K |
| Uno (Europe) (En,Fr,De,Es,It,Nl) | GBC |
| Uno (USA) | GBC |
| Uno - Skip-Bo - Uno Free Fall (3 Game Pack) (E)(Sir VG) | NDS |
| Uno - Skip-Bo - Uno Free Fall (3 Game Pack) (U)(Sir VG) | NDS |
| Uno - Small World (Japan) | GB |
| Uno 2 - Small World (Japan) | GB |
| Uno 52 (E)(Legacy) | NDS |
| Uno 52 (E)(sUppLeX) | GBA |
| Uno 52 (U)(Independent) | NDS |
| Uno 52 (U)(Sir VG) | GBA |
| Uno Free Fall (E)(Sir VG) | GBA |
| Uno Freefall (U)(Sir VG) | GBA |
| Uno-DX (J) | Saturn |
| Unou Ikusei - IQ Breeder - Pet to Nakayoku IQ Lesson (JP)(BAHAMUT) | NDS |
| Unou Kaiten - Match-Bou Puzzle DS (J)(iMPAcT) | NDS |
| Unou Tanren UnoTan DS - Shichida Shiki Otona no Shun Kan Training (J)(Legacy) | NDS |
| Unou Tanren UnoTan DS - Shichida Shiki Otona no Sokudoku Training (J)(Caravan) | NDS |
| Unou no Tatsujin - Gunbullet Trainer (J)(WRG) | NDS |
| Unou no Tatsujin - Hirameki Kosodate My Angel (J)(WRG) | NDS |
| Unou no Tatsujin - Soukai! Machigai Museum (J)(SCZ) | NDS |
| Unou no Tatsujin! Soukai! Machigai Museum 2 (J)(Independent) | NDS |
| Unreal | Amiga |
| Unreal (1991)(UBI Soft) | DOS |
| Unreal (1991)(UBI Soft)(Disk 1 of 2)[cr ICS] | Atari ST |
| Unreal (1991)(UBI Soft)(Disk 2 of 2)[cr ICS] | Atari ST |
| Unreal Tournament (Europe) (En,Fr,De,Es,It) | PS2 |
| Unreal Tournament (USA) | DC |
| Unreal Tournament (USA) | PS2 |
| Unreal Tournament (United Kingdom) | DC |
| Unriagh - Maker | Atari 800 |
| Unriagh II - der Zeitbandit | Atari 800 |
| Unscramble - A Word Game (19xx)(John R. Kelley)[bas2boot] | Atari 800 |
| Unscramble_Compute! | Atari 800 |
| Unscramble_II | Atari 800 |
| Unsensible Soccer | Amiga |
| Unsolved Crimes (E)(XenoPhobia) | NDS |
| Unsolved Crimes (U)(Independent) | NDS |
