| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| rad_boxp | ConnecTV Boxin' (PAL) | 200? | Radica / SSD Company LTD | rad_box | rad_box | |
| rad_crdn | Play TV Card Night (NTSC) | 200? | Radica / SSD Company LTD | | | |
| rad_crdnp | ConnecTV Card Night (PAL) | 200? | Radica / SSD Company LTD | rad_crdn | rad_crdn | |
| rad_crik | Connectv Cricket (PAL) | 2006 | Radica | | | |
| rad_digi | Digi Makeover (Girl Tech) | 2005 | Radica | | | |
| rad_fb | Play TV Football (NTSC) | 200? | Radica / SSD Company LTD | | | |
| rad_fb2 | Play TV Football 2 | 2007 | Radica | | | |
| rad_foot | Connectv Football | 2006 | Radica / Medialink | | | |
| rad_gen1 | Genesis Collection Volume 1 (Radica, Arcade Legends) (USA) | 2004 | Radica / Sega | | | |
| rad_gen2 | Genesis Collection Volume 2 (Radica, Arcade Legends) (USA) | 2004 | Radica / Sega | | | |
| rad_gtg | Golden Tee Golf: Home Edition | 2006 | Radica / FarSight Studios (licensed from Incredible Technologies) | | | |
| rad_hnt | Play TV Buckmasters Huntin' (NTSC) | 2000 | Radica / SSD Company LTD | | | |
| rad_hnt2 | Play TV Buckmasters Huntin' 2 (NTSC) | 2003 | Radica / SSD Company LTD | | | |
| rad_hnt3 | Play TV Huntin' 3 | 2005 | Radica / V-Tac Technology Co Ltd. | | | |
| rad_hnt3p | Connectv Huntin' 3 | 2005 | Radica / V-Tac Technology Co Ltd. | rad_hnt3 | rad_hnt3 | |
| rad_jcon | Play TV Jr. Construction | 2002 | Radica / Takara / SSD Company LTD | tak_town | tak_town | |
| rad_jib | Jibbi | 2006 | Radica | | | |
| rad_madf | EA Sports Madden Football (NTSC) | 2003 | Radica / Electronic Arts / SSD Company LTD | | | |
| rad_md1 | Mega Drive Collection Volume 1 (Radica, Arcade Legends) (Europe) | 2004 | Radica / Sega | rad_gen1 | rad_gen1 | |
| rad_md1uk | Mega Drive Collection Volume 1 (Radica, Arcade Legends) (UK) | 2004 | Radica / Sega | rad_gen1 | rad_gen1 | |
| rad_md2uk | Mega Drive Collection Volume 2 (Radica, Arcade Legends) (UK) | 2004 | Radica / Sega | rad_gen2 | rad_gen2 | |
| rad_mncr | Menacer (Radica Plug & Play) | 2004 | Radica / Sega | | | |
| rad_mtrk | Play TV Monster Truck (NTSC) | 2003 | Radica / SSD Company LTD | | | |
| rad_mtrkp | ConnecTV Monster Truck (PAL) | 2003 | Radica / SSD Company LTD | rad_mtrk | rad_mtrk | |
| rad_opus | Play TV Opus (NTSC) | 2000 | Radica / SSD Company LTD | | | |
| rad_opusa | Plug & Play Opus (NTSC) | 2000 | Radica / SSD Company LTD | rad_opus | rad_opus | |
| rad_opusp | ConnecTV Opus (PAL) | 2000 | Radica / SSD Company LTD | rad_opus | rad_opus | |
| rad_orun | Out Run 2019 (Radica Plug & Play, UK) | 2004 | Radica / Sega | | | |
| rad_ping | Play TV Ping Pong (NTSC) | 2000 | Radica / SSD Company LTD / Simmer Technology | | | |
| rad_pingp | ConnecTV Table Tennis (PAL) | 2000 | Radica / SSD Company LTD / Simmer Technology | rad_ping | rad_ping | |
| rad_rh | Play TV Rescue Heroes (NTSC) | 200? | Radica / Fisher-Price / SSD Company LTD | | | |
| rad_rsg | Play TV Real Swing Golf | 2005 | Radica / FarSight Studios | | | |
| rad_rsgp | Connectv Real Swing Golf (set 1) | 2005 | Radica / FarSight Studios | rad_rsg | rad_rsg | |
| rad_rsgpa | Connectv Real Swing Golf (set 2) | 2005 | Radica / FarSight Studios | rad_rsg | rad_rsg | |
| rad_sbw | Play TV Snowboarder (White) (NTSC) | 2006 | Radica / SSD Company LTD | | | |
| rad_sf2 | Street Fighter II: Special Champion Edition [Ghouls'n Ghosts] (Radica, Arcade Legends) (USA) | 2004 | Radica / Capcom / Sega | | | |
| rad_sf2uk | Street Fighter II: Special Champion Edition [Ghouls'n Ghosts] (Radica, Arcade Legends) (UK) | 2004 | Radica / Capcom / Sega | rad_sf2 | rad_sf2 | |
| rad_sinv | Space Invaders [Lunar Rescue, Colony 7, Qix, Phoenix] (Radica, Arcade Legends TV Game) | 2004 | Radica (licensed from Taito) | | | |
| rad_skat | Play TV Skateboarder (NTSC) | 2006 | Radica | | | |
| rad_skatp | Connectv Skateboarder (PAL) | 2006 | Radica | rad_skat | rad_skat | |
| rad_sktv | Skannerz TV | 2007 | Radica | | | |
| rad_snow | Play TV Snowboarder (Blue) (NTSC) | 2001 | Radica / SSD Company LTD | | | |
| rad_snowp | ConnecTV Snowboarder (Blue) (PAL) | 2001 | Radica / SSD Company LTD | rad_snow | rad_snow | |
| rad_socr | Play TV Soccer | 2002 | Radica / Epoch / SSD Company LTD | epo_strk | epo_strk | |
| rad_sonic | Super Sonic Gold (Radica Plug & Play) (USA) | 2004 | Radica / Sega | | | |
| rad_sonicuk | Super Sonic Gold (Radica Plug & Play) (UK) | 2004 | Radica / Sega | rad_sonic | rad_sonic | |
| rad_ssoc | Sensible Soccer plus [Cannon Fodder, Mega lo Mania] (Radica, Arcade Legends) (UK) | 2004 | Radica / Sensible Software / Sega | | | |
| rad_ssx | Play TV SSX Snowboarder (NTSC) | 2004 | Radica / Electronic Arts / SSD Company LTD | | | |
| rad_ssxp | ConnecTV SSX Snowboarder (PAL) | 2004 | Radica / Electronic Arts / SSD Company LTD | rad_ssx | rad_ssx | |
| rad_tetr | Tetris (Radica, Arcade Legends TV Game) | 2004 | Radica (licensed from Elorg / The Tetris Company) | | | |
| radarscp | Radar Scope (TRS02, rev. D) | 1980 | Nintendo | | | |
| radarscp1 | Radar Scope (TRS01) | 1980 | Nintendo | radarscp | radarscp | |
| radarscpc | Radar Scope (TRS02?, rev. C) | 1980 | Nintendo | radarscp | radarscp | |
| radarzon | Radar Zone | 1982 | Century Electronics | | | |
| radarzon1 | Radar Zone (Rev.1) | 1982 | Century Electronics | radarzon | radarzon | |
| radarzont | Radar Zone (Tuni) | 1982 | Century Electronics (Tuni Electro Service license) | radarzon | radarzon | |
| radcl_g1 | Radical! (G-1) | 1990 | Bally | radcl_l1 | radcl_l1 | genpin |
| radcl_l1 | Radical! (L-1) | 1990 | Bally | | | genpin |
| radcl_p3 | Radical! (P-3) | 1990 | Bally | radcl_l1 | radcl_l1 | genpin |
| radendur | Radical Enduro (early prototype) | 199? | TCH / Sator Videogames | | | |
| radikalb | Radikal Bikers (version 2.02) | 1998 | Gaelco | | | |
| radikalba | Radikal Bikers (version 2.02, Atari license) | 1998 | Gaelco (Atari license) | radikalb | radikalb | |
| radikalbp | Radikal Bikers (prototype) | 1998 | Gaelco | radikalb | radikalb | |
| radikaldrt | Radikal Darts (Diana Version 7.29.25) | 2011? | Gaelco Darts | | | |
| radio16 | Radio-86RK (16K RAM) | 1986 | <unknown> | radio86 | radio86 | |
| radio4k | Radio-86RK (4K ROM) | 1986 | <unknown> | radio86 | radio86 | |
| radio86 | Radio-86RK | 1986 | <unknown> | | | |
| radio99 | Radio-99DM | 1993 | <unknown> | mikro80 | mikro80 | |
| radionic | Radionic R1001/Komtek 1 | 1983 | Komtek | | | |
| radioram | Radio-86RK (ROM/RAM Disk) | 1986 | <unknown> | radio86 | radio86 | |
| radiorom | Radio-86RK (ROM-Disk) | 1986 | <unknown> | radio86 | radio86 | |
| radirgy | Radirgy (Japan, Rev A) (GDL-0032A) | 2005 | Milestone | naomigd | | |
| radirgyn | Radirgy Noa (Japan) | 2009 | Milestone / Lucky | naomi | | |
| radirgyo | Radirgy (Japan) (GDL-0032) | 2005 | Milestone | radirgy | radirgy | |
| radm | Rad Mobile (World) | 1990 | Sega | | | |
| radmu | Rad Mobile (US) | 1990 | Sega | radm | radm | |
| radr | Rad Rally (World) | 1991 | Sega | | | |
| radrad | Radical Radial (US) | 1982 | Logitec Corp. (Nichibutsu USA license) | | | |
| radradj | Radical Radial (Japan) | 1983 | Logitec Corp. | radrad | radrad | |
| radrj | Rad Rally (Japan) | 1991 | Sega | radr | radr | |
| radru | Rad Rally (US) | 1991 | Sega | radr | radr | |
| raflesia | Rafflesia (315-5162) | 1986 | Coreland / Sega | | | |
| raflesiau | Rafflesia (not encrypted) | 1986 | Coreland / Sega | raflesia | raflesia | |
| ragc153 | Retro Arcade Game Controller 153-in-1 | 201? | Orb | | | |
| rageii | ATI Rage II PCI | | | | | |
| rageiic | ATI Rage IIC PCI | | | | | |
| rageiidvd | ATI Rage II+ DVD PCI | | | | | |
| ragepro | ATI Rage Pro PCI | | | | | |
| ragnagrd | Ragnagard / Shin-Oh-Ken | 1996 | Saurus | neogeo | | |
| ragtime | The Great Ragtime Show (Japan v1.5, 92.12.07) | 1992 | Data East Corporation | boogwing | boogwing | |
| ragtimea | The Great Ragtime Show (Japan v1.3, 92.11.26) | 1992 | Data East Corporation | boogwing | boogwing | |
| raiden | Raiden (World set 1) | 1990 | Seibu Kaihatsu | | | |
| raiden2 | Raiden II (US, set 1) | 1993 | Seibu Kaihatsu (Fabtek license) | | | |
| raiden2au | Raiden II (Australia) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2cop | Seibu COP (Raiden 2) | | | | | |
| raiden2dx | Raiden II (harder, Raiden DX hardware, Korea) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2e | Raiden II (easier, Korea) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2ea | Raiden II (easier, Japan) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2eg | Raiden II (easier, Germany) | 1993 | Seibu Kaihatsu (Tuning license) | raiden2 | raiden2 | |
| raiden2es | Raiden II (Spain) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2eu | Raiden II (easier, US set 2) | 1993 | Seibu Kaihatsu (Fabtek license) | raiden2 | raiden2 | |
| raiden2eua | Raiden II (easier, US set 1) | 1993 | Seibu Kaihatsu (Fabtek license) | raiden2 | raiden2 | |
| raiden2eub | Raiden II (easier, US set 3) | 1993 | Seibu Kaihatsu (Fabtek license) | raiden2 | raiden2 | |
| raiden2eup | Raiden II (easier, US, prototype? 11-16) | 1993 | Seibu Kaihatsu (Fabtek license) | raiden2 | raiden2 | |
| raiden2f | Raiden II (France) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2g | Raiden II (Germany) | 1993 | Seibu Kaihatsu (Tuning license) | raiden2 | raiden2 | |
| raiden2gb | Raiden II (Great Britain) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2hk | Raiden II (Hong Kong) | 1993 | Seibu Kaihatsu (Metrotainment license) | raiden2 | raiden2 | |
| raiden2i | Raiden II (Italy) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2j | Raiden II (Japan) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2k | Raiden II (harder, Korea) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2nl | Raiden II (Holland) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2sw | Raiden II (Switzerland) | 1993 | Seibu Kaihatsu | raiden2 | raiden2 | |
| raiden2u | Raiden II (US, set 2) | 1993 | Seibu Kaihatsu (Fabtek license) | raiden2 | raiden2 | |
| raiden3 | Raiden III (v2.01J) | 2005 | MOSS / Seibu Kaihatsu | | | |
| raiden4 | Raiden IV (v1.00J) | 2007 | MOSS / Seibu Kaihatsu | | | |
| raidenb | Raiden (World set 2, newer hardware) | 1990 | Seibu Kaihatsu | raiden | raiden | |
| raidendx | Raiden DX (UK) | 1994 | Seibu Kaihatsu | | | |
| raidendxa1 | Raiden DX (Hong Kong, set 1) | 1994 | Seibu Kaihatsu (Metrotainment license) | raidendx | raidendx | |
| raidendxa2 | Raiden DX (Hong Kong, set 2) | 1994 | Seibu Kaihatsu (Metrotainment license) | raidendx | raidendx | |
| raidendxch | Raiden DX (China) | 1994 | Seibu Kaihatsu (Ideal International Development Corp license) | raidendx | raidendx | |
| raidendxg | Raiden DX (Germany) | 1994 | Seibu Kaihatsu (Tuning license) | raidendx | raidendx | |
| raidendxj | Raiden DX (Japan, set 1) | 1994 | Seibu Kaihatsu | raidendx | raidendx | |
| raidendxja | Raiden DX (Japan, set 2) | 1994 | Seibu Kaihatsu | raidendx | raidendx | |
| raidendxk | Raiden DX (Korea) | 1994 | Seibu Kaihatsu | raidendx | raidendx | |
| raidendxnl | Raiden DX (Holland) | 1994 | Seibu Kaihatsu | raidendx | raidendx | |
| raidendxpt | Raiden DX (Portugal) | 1994 | Seibu Kaihatsu | raidendx | raidendx | |
| raidendxu | Raiden DX (US) | 1994 | Seibu Kaihatsu (Fabtek license) | raidendx | raidendx | |
| raidenj | Raiden (Japan) | 1990 | Seibu Kaihatsu | raiden | raiden | |
| raidenk | Raiden (Korea) | 1990 | Seibu Kaihatsu (IBL Corporation license) | raiden | raiden | |
| raidenkb | Raiden (Korea, bootleg) | 1990 | bootleg | raiden | raiden | |
| raidenm | Raiden (Modular System) | 1990 | bootleg (Gaelco / Ervisa) | raiden | raiden | |
| raident | Raiden (Taiwan) | 1990 | Seibu Kaihatsu (Liang HWA Electronics license) | raiden | raiden | |
| raidenu | Raiden (US set 1) | 1990 | Seibu Kaihatsu (Fabtek license) | raiden | raiden | |
| raidenua | Raiden (US set 2, SEI8904 hardware) | 1990 | Seibu Kaihatsu (Fabtek license) | raiden | raiden | |
| raidenub | Raiden (US set 3, newer hardware) | 1990 | Seibu Kaihatsu (Fabtek license) | raiden | raiden | |
| raiders | Raiders | 1983 | Century Electronics | | | |
| raiders5 | Raiders5 | 1985 | UPL | | | |
| raiders5t | Raiders5 (Japan, set 1) | 1985 | UPL (Taito license) | raiders5 | raiders5 | |
| raiders5ta | Raiders5 (Japan, set 2, bootleg?) | 1985 | UPL (Taito license) | raiders5 | raiders5 | |
| raidersr3 | Raiders (Rev.3) | 1983 | Century Electronics | raiders | raiders | |
| raiga | Raiga - Strato Fighter (Japan) | 1991 | Tecmo | stratof | stratof | |
| raimais | Raimais (World, rev 1) | 1988 | Taito Corporation Japan | | | |
| raimaisj | Raimais (Japan, rev 1) | 1988 | Taito Corporation | raimais | raimais | |
| raimaisjo | Raimais (Japan) | 1988 | Taito Corporation | raimais | raimais | |
| raimfire | Ready...Aim...Fire! | 1983 | Gottlieb | | | genpin |
| rainbow | Rainbow 100-B | 1983 | Digital Equipment Corporation | | | |
| rainbow_video | Rainbow Video | | | | | |
| rainbow100a | Rainbow 100-A | 1982 | Digital Equipment Corporation | rainbow | rainbow | |
| rainbow190 | Rainbow 190-B | 1985 | Digital Equipment Corporation | rainbow | rainbow | |
| rainwarr | Rainbow Warriors (0101132V, NSW/ACT) | 2001 | Aristocrat | aristmk5 | | |
| rainwarrce | Rainbow Warriors - Cash Express (0101332V, NSW/ACT) | 2001 | Aristocrat | rainwarr | rainwarr | |
| raisedvl | Raise The Devil Pinball | 1980 | Entex | | | |
| raizpin | Raizin Ping Pong (Ver 2.01 O) | 2002 | Taito | taitotz | | |
| raizpinj | Raizin Ping Pong (Ver 2.01 J) | 2002 | Taito | raizpin | raizpin | |
| rally | Rally | 1980 | Taito do Brasil | | | genpin |
| rallybik | Rally Bike (Europe, US) / Dash Yarou (Japan) | 1988 | Toaplan / Taito Corporation | | | |
| rallypnt2 | Rally Point 2 | 1999 | Atlus | | | |
| rallys | Rallys (bootleg of Spectar, set 1) | 1980 | bootleg (Novar) | spectar | spectar | targ |
| rallysa | Rallys (bootleg of Spectar, set 2) | 1980 | bootleg (Musik Box Brescia) | spectar | spectar | targ |
| rallyx | Rally X (32k Ver.?) | 1980 | Namco | | | rallyx |
| rallyxa | Rally X | 1980 | Namco | rallyx | rallyx | rallyx |
| rallyxeg | Rally X (Video Game bootleg) | 1981 | bootleg (Video Game / Electrogame) | rallyx | rallyx | rallyx |
| rallyxm | Rally X (Midway) | 1980 | Namco (Midway license) | rallyx | rallyx | rallyx |
| rallyxmr | Rally X (Model Racing bootleg) | 1980 | bootleg (Model Racing) | rallyx | rallyx | rallyx |
| ram | RAM | | | | | |
| rambo | Rambo (Export) | 2008 | Sega | lindbios | | |
| rambo3 | Rambo III (Europe) | 1989 | Taito Europe Corporation | | | |
| rambo3p | Rambo III (Europe, Proto?) | 1989 | Taito Europe Corporation | rambo3 | rambo3 | |
| rambo3u | Rambo III (US) | 1989 | Taito America Corporation | rambo3 | rambo3 | |
| ramdac | RAMDAC | | | | | |
| rameses | Rameses HVC6502 (Oceania) | 1982 | Hanimex | crvision | crvision | |
| rampage | Rampage (Rev 3, 8/27/86) | 1986 | Bally Midway | | | |
| rampage2 | Rampage (Rev 2, 8/4/86) | 1986 | Bally Midway | rampage | rampage | |
| rampart | Rampart (Trackball) | 1990 | Atari Games | | | |
| rampart2p | Rampart (Joystick, bigger ROMs) | 1990 | Atari Games | rampart | rampart | |
| rampart2pa | Rampart (Joystick, smaller ROMs) | 1990 | Atari Games | rampart | rampart | |
| rampartj | Rampart (Japan, Joystick) | 1990 | Atari Games | rampart | rampart | |
| ramstar | unknown Ram Star multi-game (version 80.1) | 1991 | Ram Star | | | |
| rangrmsn | Ranger Mission | 2004 | RIZ Inc./ Sammy | awbios | | |
| rapfire5 | Rapid Fire 5 (Konami Endeavour, NSW) | 200? | Konami | | | |
| raphero | Rapid Hero (NMK) | 1994 | NMK | arcadian | arcadian | |
| rapheroa | Rapid Hero (Media Trading) | 1994 | NMK (Media Trading license) | arcadian | arcadian | |
| rapidfip | Rapid Fire | 1982 | Bally | | | genpin |
| rapidfir | Rapid Fire (v1.1, Build 239) | 1998 | Hanaho Games | | | |
| rapidfira | Rapid Fire (v1.1, Build 238) | 1998 | Hanaho Games | rapidfir | rapidfir | |
| rapidfire | Rapid Fire (v1.0, Build 236) | 1998 | Hanaho Games | rapidfir | rapidfir | |
| rapidrvr | Rapid River (US, RD3 Ver. C) | 1997 | Namco | | | |
| rapidrvrp | Rapid River (prototype) | 1997 | Namco | rapidrvr | rapidrvr | |
| rapidrvrv2c | Rapid River (World, RD2 Ver. C) | 1997 | Namco | rapidrvr | rapidrvr | |
| raprichs | Rapid Riches (10194211, NSW/ACT) | 2005 | Aristocrat | aristmk6 | | |
| rasce | Ra's Scepter (Russia) | 2005 | Astro Corp. | | | |
| rascot | Royal Ascot (Japan, terminal?) | 1991 | Sega | | | |
| rascot2 | Royal Ascot II | 1997 | Sega | | | |
| rastan | Rastan (World Rev 1) | 1987 | Taito Corporation Japan | | | |
| rastana | Rastan (World) | 1987 | Taito Corporation Japan | rastan | rastan | |
| rastanb | Rastan (World, earlier code base) | 1987 | Taito Corporation Japan | rastan | rastan | |
| rastanu | Rastan (US Rev 1) | 1987 | Taito America Corporation | rastan | rastan | |
| rastanua | Rastan (US) | 1987 | Taito America Corporation | rastan | rastan | |
| rastanub | Rastan (US, earlier code base) | 1987 | Taito America Corporation | rastan | rastan | |
| rastsag2 | Rastan Saga 2 (Japan) | 1988 | Taito Corporation | nastar | nastar | |
| rastsaga | Rastan Saga (Japan Rev 1) | 1987 | Taito Corporation | rastan | rastan | |
| rastsagaa | Rastan Saga (Japan Rev 1, earlier code base) | 1987 | Taito Corporation | rastan | rastan | |
| rastsagaabl | Rastan Saga (bootleg, Japan Rev 1, earlier code base) | 1987 | bootleg | rastan | rastan | |
| rastsagab | Rastan Saga (Japan, earlier code base) | 1987 | Taito Corporation | rastan | rastan | |
| ratrc_l1 | Rat Race (L-1) | 1983 | Williams | | | genpin |
| raven | Raven | 1986 | Gottlieb | | | genpin |
| ravena | Raven (alternate set) | 1986 | Gottlieb | raven | raven | genpin |
| raveng | Raven (German) | 1986 | Gottlieb | raven | raven | genpin |
| ravens | Ravensburger Selbstbaucomputer V0.9 | 1984 | Joseph Glagla and Dieter Feiler | | | |
| ravens2 | Ravensburger Selbstbaucomputer V2.0 | 1985 | Joseph Glagla and Dieter Feiler | ravens | ravens | |
| raverace | Rave Racer (World, RV2 Ver.B) | 1995 | Namco | | | |
| raveracej | Rave Racer (Japan, RV1 Ver.B) | 1995 | Namco | raverace | raverace | |
| raveraceja | Rave Racer (Japan, RV1) | 1995 | Namco | raverace | raverace | |
| rax_audio | Acclaim RAX | | | | | |
| raycris | Ray Crisis (V2.03O 1998/11/15 15:43) | 1998 | Taito | coh3002t | | |
| raycrisj | Ray Crisis (V2.03J 1998/11/15 15:43) | 1998 | Taito | raycris | raycris | |
| rayforce | Ray Force (Ver 2.3A 1994/01/20) | 1993 | Taito America Corporation | gunlock | gunlock | |
| rayforcej | Ray Force (Ver 2.3J 1994/01/20) | 1993 | Taito Corporation | gunlock | gunlock | |
| raystorm | Ray Storm (Ver 2.06A) | 1996 | Taito | coh1000t | | |
| raystormg | Ray Storm (VER 2.60G) | 2011 | bootleg (Arcade MOD BIOS) | coh3002t | | |
| raystormj | Ray Storm (Ver 2.05J) | 1996 | Taito | raystorm | raystorm | |
| raystormo | Ray Storm (Ver 2.05O) | 1996 | Taito | raystorm | raystorm | |
| raystormu | Ray Storm (Ver 2.05A) | 1996 | Taito | raystorm | raystorm | |
| razmataz | Razzmatazz | 1983 | Sega | | | |
| rb2 | SGI RB2 | | | | | |
| rbbrite | Rainbow Brite (mini-arcade) | 2018 | Coleco | | | |
| rbff1 | Real Bout Fatal Fury / Real Bout Garou Densetsu (NGM-095 ~ NGH-095) | 1995 | SNK | neogeo | | |
| rbff1a | Real Bout Fatal Fury / Real Bout Garou Densetsu (bug fix revision) | 1995 | SNK | rbff1 | rbff1 | |
| rbff1k | Real Bout Fatal Fury / Real Bout Garou Densetsu (Korean release) | 1995 | SNK | rbff1 | rbff1 | |
| rbff1ka | Real Bout Fatal Fury / Real Bout Garou Densetsu (Korean release, bug fix revision) | 1995 | SNK | rbff1 | rbff1 | |
| rbff2 | Real Bout Fatal Fury 2 - The Newcomers / Real Bout Garou Densetsu 2 - The Newcomers (NGM-2400) | 1998 | SNK | neogeo | | |
| rbff2h | Real Bout Fatal Fury 2 - The Newcomers / Real Bout Garou Densetsu 2 - The Newcomers (NGH-2400) | 1998 | SNK | rbff2 | rbff2 | |
| rbff2k | Real Bout Fatal Fury 2 - The Newcomers (Korean release) | 1998 | SNK | rbff2 | rbff2 | |
| rbffspec | Real Bout Fatal Fury Special / Real Bout Garou Densetsu Special | 1996 | SNK | neogeo | | |
| rbffspeck | Real Bout Fatal Fury Special / Real Bout Garou Densetsu Special (Korean release) | 1996 | SNK | rbffspec | rbffspec | |
| rbibb | Vs. Atari R.B.I. Baseball (set 1) | 1986 | Namco | | | |
| rbibba | Vs. Atari R.B.I. Baseball (set 2) | 1986 | Namco | rbibb | rbibb | |
| rbisland | Rainbow Islands (rev 1) | 1987 | Taito Corporation | | | |
| rbislande | Rainbow Islands - Extra Version | 1988 | Taito Corporation | | | |
| rbislando | Rainbow Islands | 1987 | Taito Corporation | rbisland | rbisland | |
| rbitgen | Generations (Retro-Bit) | 2016 | Retro-Bit | | | |
| rblaster | Road Blaster (Data East LD) | 1985 | Data East | | | |
| rbmk | Shizhan Majiang Wang (Version 8.8) | 1998 | GMS | | | |
| rbowlorama | Rockin' Bowl-O-Rama (v2.1.1) | 2008 | Namco / Cosmodog | | | |
| rbspm | Shizhan Ding Huang Maque (Version 4.1) | 1998 | GMS | | | |
| rbtapper | Tapper (Root Beer) | 1984 | Bally Midway | tapper | tapper | |
| rc2014 | RC2014 Classic | 2016 | RFC2795 Ltd | | | |
| rc2014_82c55_ide | RC2014 82C55 IDE Interface | | | | | |
| rc2014_ay8190 | RC2014 AY-3-8190 Sound card | | | | | |