| Game Name | System |
|---|
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 DA) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 DB) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 DH) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 DK) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 DR) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 DY) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 H) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 K) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 R) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2 Y) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UPS 2.2) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.0, hack) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 B) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 D) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 DA) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 DB) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 DH) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 DK) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 DR) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 DY) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 H) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 K) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 R) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1 Y) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.1) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 B) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 D) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 DA) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 DB) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 DH) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 DK) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 DR) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 DY) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 H) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 K) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 R) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2 Y) | MAME |
| Up Up and Away (Barcrest) (MPU4) (UUA 2.2) | MAME |
| Up Yer Riggin Club (Global) (v2.8 Protocol) (Stealth) | MAME |
| Up Yer Riggin Club (Global) (v2.8) (Stealth) | MAME |
| Up Your Alley | MAME |
| Up'n Down (315-5030) | MAME |
| Up'n Down (UE) | C64 PP |
| Up'n Down (not encrypted) | MAME |
| Up'n'down (1989)(-)(de)(PD) | Atari ST |
| Up, Up and Away (19xx)(M.J. Aspden)[UP&AWAY start] [SSD] | BBC Micro |
| UpForGrabs | Atari 800 |
| UpNDown | Atari 800 |
| Upior | Atari 800 |
| Upper Reaches of Apshai (1982)(Automated Simulations)[requires Temple of Apshai][BASIC] | Atari 800 |
| Uprising X (USA) | PSX2PSP |
| Uprising X [NTSC-U] | PSX |
| Uptown_Manager | Atari 800 |
| Upward | Atari 800 |
| Ura Maison Ikkoku Kyoukosan No Kawai Sou Monogatari (1988)(Mater Piece) | X68K |
| Uranai 4, The - Harapeko Kuma no Kaiun Kabbalah Uranai (Japan) | PSX |
| Uranai Demo Shite Miyouka DS (J)(Loli) | NDS |
| Uranians (1986)(Bug Byte)[URAN start] [SSD] | BBC Micro |
| Uranians (1986)(Bug Byte)[a][URAN start] [SSD] | BBC Micro |
| Uranians (1986)(Bug Byte)[h TSTH][bootfile] [SSD] | BBC Micro |
| Uranians (1986)(Bugbyte) [UEF] | Electron |
| Uranium (S) (1986) [f1] | CPC |
| Urban (1991)(Zenobi Software) | ZX Spectrum Z80 |
| Urban Champion (World) | NES |
| Urban Chaos (E) | PSX |
| Urban Chaos (Europe)(En,Fr) | DC |
| Urban Chaos (USA) | PSX2PSP |
| Urban Chaos (USA)(En,Fr) | DC |
| Urban Chaos - Riot Response (Europe) (En,Fr,De,Es,It) | PS2 |
| Urban Chaos - Riot Response (USA) | PS2 |
| Urban Chaos [NTSC-U] | PSX |
| Urban Extreme (Europe) | PS2 |
| Urban Freestyle Soccer (Europe) (En,Fr,De,Es,It) | PS2 |
| Urban Freestyle Soccer (Europe) (En,Fr,De,Es,It) | GCN |
| Urban Reign (Europe) (En,Fr,De,Es,It) | PS2 |
| Urban Reign (USA) | PS2 |
| Urban Runner (Windows, CD) | ScummVM |
| Urban Strike (Europe) | SNES |
| Urban Strike (USA) | SNES |
| Urban Strike (USA, Europe) | Genesis |
| Urban Strike (USA, Europe) | GB |
| Urban Strike (USA, Europe) | Game Gear |
| Urban Upstart (1983)(Richard Shepherd Software) | ZX Spectrum Z80 |
| Urban Upstart (1983)(Richard Shepherd Software)[a] | ZX Spectrum Z80 |
| Urban Yeti! (U)(Eurasia) | GBA |
| Urbz - Sims in the City, The (E)(Trashman) | NDS |
| Urbz - Sims in the City, The (J)(WRG) | NDS |
| Urbz - Sims in the City, The (U)(Brassteroid Team) | NDS |
| Urbz, The - Sims in the City (Europe) (En,Fr,De,Es,It,Nl,Sv,No,Da,Fi,Pl) | PS2 |
| Urbz, The - Sims in the City (Europe) (En,Fr,De,Es,Nl) | GCN |
| Uridium (1985)(Hewson Consultants) | ZX Spectrum Z80 |
| Uridium (1985)(Hewson Consultants)[a2] | ZX Spectrum Z80 |
| Uridium (1985)(Hewson Consultants)[a] | ZX Spectrum Z80 |
| Uridium (1986)(Mindscape Inc) | DOS |
| Uridium (1987)(Hewson)[b][URIDIUM start] [SSD] | BBC Micro |
| Uridium (1987)(Hewson)[b][bootfile] [SSD] | BBC Micro |
| Uridium (1987)(Hewson)[h TSTH][bootfile] [SSD] | BBC Micro |
| Uridium (1987)(Hewson)[h TSTH][t +3][bootfile] [SSD] | BBC Micro |
| Uridium (1987)(Rino) | Atari 800 |
| Uridium (E) | C64 Tapes |
