| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| coolridr | Cool Riders | 1995 | Sega | | | |
| coozumou | Oozumou - The Grand Sumo (DECO Cassette) (Japan) | 1984 | Data East Corporation | decocass | | |
| cop01 | Cop 01 (set 1) | 1985 | Nichibutsu | | | |
| cop01a | Cop 01 (set 2) | 1985 | Nichibutsu | cop01 | cop01 | |
| cop401 | National Semiconductor COP401 | | | | | |
| cop402 | National Semiconductor COP402 | | | | | |
| cop404c | National Semiconductor COP404C | | | | | |
| cop404l | National Semiconductor COP404L | | | | | |
| cop410 | National Semiconductor COP410 | | | | | |
| cop411 | National Semiconductor COP411 | | | | | |
| cop420 | National Semiconductor COP420 | | | | | |
| cop421 | National Semiconductor COP421 | | | | | |
| cop422 | National Semiconductor COP422 | | | | | |
| cop424c | National Semiconductor COP424C | | | | | |
| cop425c | National Semiconductor COP425C | | | | | |
| cop426c | National Semiconductor COP426C | | | | | |
| cop444c | National Semiconductor COP444C | | | | | |
| cop444l | National Semiconductor COP444L | | | | | |
| cop445c | National Semiconductor COP445C | | | | | |
| cop445l | National Semiconductor COP445L | | | | | |
| cop446c | National Semiconductor COP446C | | | | | |
| cop452 | National Semiconductor COP452 frequency generator | | | | | |
| copera | Yamaha Mixt Book Player Copera | 1993 | Yamaha / Sega | | | |
| copera_cart_slot | Copera Cartridge Slot | | | | | |
| coppc21 | Corona PPC-21 | 198? | Corona Data Systems, Inc. | ibm5150 | ibm5150 | |
| coppc400 | Cordata PPC-400 | 198? | Corona Data Systems, Inc. | ibm5150 | ibm5150 | |
| cops | Cops (USA) | 1994 | Atari Games | | | |
| copsnrob | Cops'n Robbers | 1976 | Atari | | | |
| copspa | COPS Pocket Assistant | 1982 | National Semiconductor | | | |
| copsuk | Cops (UK) | 1994 | Nova Productions Ltd./ Deith Leisure | cops | cops | |
| copycat | Copy Cat (model 7-520) | 1979 | Tiger Electronics | | | |
| copycata | Copy Cat (model 7-522) | 1989 | Tiger Electronics | copycat | copycat | |
| coralr2 | Coral Riches II (1VXFC5472, New Zealand) | 2000 | Aristocrat | | | 3bagfull |
| coralrc2 | Coral Riches II (0100919V, NSW/ACT) | 1998 | Aristocrat | aristmk5 | | |
| corona | Kasparov Corona (ver. D+) | 1990 | Saitek / Heuristic Software | | | |
| coronaa | Kasparov Corona (ver. C, set 1) | 1988 | Saitek / Heuristic Software | corona | corona | |
| coronab | Kasparov Corona (ver. C, set 2) | 1988 | Saitek / Heuristic Software | corona | corona | |
| coronatn | Coronation Street Quiz Game | 1999 | JPM | | | |
| coronatnd | Coronation Street Quiz Game (Protocol) | 1999 | JPM | coronatn | coronatn | |
| corrida | Corrida de Toros (30178311, NSW/ACT) | 2005 | Aristocrat | aristmk6 | | |
| corsario | Corsario | 1989 | Inder | | | genpin |
| cortex | Cortex | 1982 | Powertran Cybernetics | | | |
| corv_21 | Corvette (2.1) | 1994 | Bally | | | |
| corv_la1 | Corvette (LA1) | 1994 | Bally | corv_21 | corv_21 | |
| corv_lx1 | Corvette (LX1) | 1994 | Bally | corv_21 | corv_21 | |
| corv_lx2 | Corvette (LX2) | 1994 | Bally | corv_21 | corv_21 | |
| corv_px3 | Corvette (PX3 Prototype) | 1994 | Bally | corv_21 | corv_21 | |
| corv_px4 | Corvette (PX4 Prototype) | 1994 | Bally | corv_21 | corv_21 | |
| corvus_hdc | Corvus Flat Cable HDC | | | | | |
| cosflash | Cosmic Flash | 1985 | Bell Games | flashgdn | flashgdn | genpin |
| cosflnsm | Cosmic Flash (NSM) | 1985 | NSM | | | genpin |
| cosmccop | Cosmic Cop (World) | 1991 | Irem | | | |
| cosmic | Cosmic | 1981 | Taito do Brasil | | | genpin |
| cosmica | Cosmic Alien (version II, set 1) | 1979 | Universal | | | cosmica |
| cosmica1 | Cosmic Alien (first version) | 1979 | Universal | cosmica | cosmica | cosmica |
| cosmica22 | Cosmic Alien (version II, set 2) | 1979 | Universal | cosmica | cosmica | cosmica |
| cosmica23 | Cosmic Alien (version II, set 3) | 1979 | Universal | cosmica | cosmica | cosmica |
| cosmica2a | Cosmic Alien (early version II?) | 1979 | Universal | cosmica | cosmica | cosmica |
| cosmicg | Cosmic Guerilla | 1979 | Universal | | | cosmicg |
| cosmicgi | Cosmic Guerilla (Spanish bootleg) | 1979 | bootleg (Inder) | cosmicg | cosmicg | cosmicg |
| cosmicin | Cosmic Invaders (bootleg of Space Invaders) | 1978 | bootleg | invaders | invaders | |
| cosmicm2 | Cosmic Monsters 2 | 1979 | bootleg (Universal) | invaders | invaders | |
| cosmicmo | Cosmic Monsters (version II) | 1979 | bootleg (Universal) | invaders | invaders | |
| cosmicos | Cosmicos | 1979 | Radio Bulletin | | | |
| cosmo | Cosmo | 1979 | TDS & MINTS | | | invaders |
| cosmogng | Cosmo Gang the Video (US) | 1991 | Namco | | | |
| cosmogngj | Cosmo Gang the Video (Japan) | 1991 | Namco | cosmogng | cosmogng | |
| cosmos | Cosmos | 1981 | Century Electronics | | | |
| cothello | Computer Othello | 1978 | Nintendo | | | |
| cots | Creatures of the Sea (20050328 USA 6.3) | 2005 | ECM | | | |
| cotton | Cotton (set 4, World) (FD1094 317-0181a) | 1991 | Success / Sega | | | |
| cotton2 | Cotton 2 (JUET 970902 V1.000) | 1997 | Success | stvbios | | |
| cottonbm | Cotton Boomerang (JUET 980709 V1.000) | 1998 | Success | stvbios | | |
| cottond | Cotton (set 4, World) (bootleg of FD1094 317-0181a set) | 1991 | bootleg | cotton | cotton | |
| cottong | Cotocoto Cottong | 1982 | bootleg | locomotn | locomotn | |
| cottonj | Cotton (set 2, Japan, Rev B) (FD1094 317-0179b) | 1991 | Success / Sega | cotton | cotton | |
| cottonja | Cotton (set 1, Japan, Rev A) (FD1094 317-0179a) | 1991 | Success / Sega | cotton | cotton | |
| cottonjad | Cotton (set 1, Japan, Rev A) (bootleg of FD1094 317-0179a set) | 1991 | bootleg | cotton | cotton | |
| cottonjd | Cotton (set 2, Japan, Rev B) (bootleg of FD1094 317-0179b set) | 1991 | bootleg | cotton | cotton | |
| cottonu | Cotton (set 3, US) (FD1094 317-0180) | 1991 | Success / Sega | cotton | cotton | |
| cottonud | Cotton (set 3, US) (bootleg of FD1094 317-0180 set) | 1991 | bootleg | cotton | cotton | |
| cougar | Kasparov Cougar | 1998 | Saitek | centurion | centurion | |
| countdwn | Count-Down | 1979 | Gottlieb | gts1 | | genpin |
| countrun | Counter Run (NS6201-A 1988.3) | 1988 | Nihon System (Sega license) | | | |
| countrunb | Counter Run (bootleg set 1) | 1988 | bootleg | countrun | countrun | |
| countrunb2 | Counter Run (bootleg set 2) | 1988 | bootleg | countrun | countrun | |
| countrunb3 | Counter Run (bootleg set 3) | 1988 | bootleg | countrun | countrun | |
| countryc | Country Club | 1988 | SNK | | | |
| couple | The Couples (set 1) | 1988 | bootleg | matchem | matchem | |
| couplei | The Couples (set 3) | 1988 | bootleg | matchem | matchem | |
| couplep | The Couples (set 2) | 1988 | bootleg | matchem | matchem | |
| covidarts | Covidarts | 1997 | Covielsa | | | |
| covox | Covox Speech Thing | | | | | |
| covox_stereo | Covox (Stereo-in-1) | | | | | |
| cowboy | Cowboy Eight Ball (set 1) | 1981 | LTD | | | genpin |
| cowboy2 | Cowboy Eight Ball 2 | 1982 | LTD | | | genpin |
| cowboya | Cowboy Eight Ball (set 2) | 1981 | LTD | cowboy | cowboy | genpin |
| cowrace | Cow Race (hack of King Derby) | 2000 | bootleg (Gate In) | kingdrby | kingdrby | |
| cowtipp | Cow Tipping - Shake Cattle & Roll (set 1) | 2004 | Game Refuge / Team Play | | | |
| cowtippa | Cow Tipping - Shake Cattle & Roll (set 2) | 2004 | Game Refuge / Team Play | cowtipp | cowtipp | |
| cp_15 | The Champion Pub (1.5) | 1998 | Bally | cp_16 | cp_16 | |
| cp_16 | The Champion Pub (1.6) | 1998 | Bally | | | |
| cp1 | CP1 / Computer-Praxis | 1980 | Kosmos | | | |
| cp1610 | GI CP1610 | | | | | |
| cp2000 | Chess Partner 2000 | 1980 | SciSys / Novag Industries / Philidor Software | | | |
| cp2024 | Conner Peripherals CP-2024 hard disk | | | | | |
| cp31 | Besta CP31 CPU board | | | | | |
| cp400 | CP400 | 1983 | Prológica | coco | coco | |
| cp400c2 | CP400 Color II | 1985 | Prológica | coco | coco | |
| cp450_fdc | Prológica CP-450 BASIC Disco V. 1.0 (1984) | | | | | |
| cp500 | CP-500 (PVIII REV.3) | 1982 | Prológica | trs80m3 | trs80m3 | |
| cpacman | Pac-Man (Coleco, rev. 29) | 1981 | Coleco | | | |
| cpacmanr1 | Pac-Man (Coleco, rev. 28) | 1981 | Coleco | cpacman | cpacman | |
| cpatrolm | City Patrolman | 200? | TimeTop | | | |
| cpc_amdrum | Amdrum | | | | | |
| cpc_brunword4 | Brunword Elite MK4 | | | | | |
| cpc_ddi1 | Amstrad DDI-1 | | | | | |
| cpc_dkspeech | DK'Tronics Speech Synthesiser | | | | | |
| cpc_doubler | Draysoft Doubler | | | | | |
| cpc_expansion_slot | Amstrad CPC expansion port | | | | | |
| cpc_hd20 | Dobbertin HD20 | | | | | |
| cpc_mface2 | Multiface II | | | | | |
| cpc_pds | Programmers Development System (CPC Target) | | | | | |
| cpc_playcity | PlayCity | | | | | |
| cpc_rom | CPC ROM Box | | | | | |
| cpc_rom_image | CPC ROM image | | | | | |
| cpc_ser | Pace RS232C interface | | | | | |
| cpc_serams | Amstrad RS232C interface | | | | | |
| cpc_smartwatch | Dobbertin Smartwatch | | | | | |
| cpc_ssa1 | Amstrad SSA-1 | | | | | |
| cpc_symf2 | SYMBiFACE II | | | | | |
| cpc_transtape | Hard Micro Transtape | | | | | |
| cpc300 | IQ-2000 CPC-300 (MSX2, Korea) | 1986 | Daewoo | | | |
| cpc300e | IQ-2000 CPC-300E (MSX2, Korea) | 1987 | Daewoo | | | |
| cpc330k | CPC-330K KOBO (MSX2, Korea) | 1988 | Daewoo | | | |
| cpc400 | X-II CPC-400 (MSX2, Korea) | 1987 | Daewoo | | | |
| cpc400s | X-II CPC-400S (MSX2, Korea) | 1988 | Daewoo | | | |
| cpc464 | Amstrad CPC464 | 1984 | Amstrad plc | | | |
| cpc464p | Amstrad CPC464+ | 1990 | Amstrad plc | | | |
| cpc50a | Zemmix CPC-50A (MSX1, Korea) | 1986 | Daewoo | cpc51 | cpc51 | |
| cpc50b | Zemmix CPC-50B (MSX1, Korea) | 1987 | Daewoo | cpc51 | cpc51 | |
| cpc51 | Zemmix CPC-51 (MSX1, Korea) | 1988 | Daewoo | | | |
| cpc61 | Zemmix CPC-61 (MSX2, Korea) | 1990 | Daewoo | | | |
| cpc6128 | Amstrad CPC6128 | 1985 | Amstrad plc | cpc464 | cpc464 | |
| cpc6128f | Amstrad CPC6128 (France, AZERTY Keyboard) | 1985 | Amstrad plc | cpc464 | cpc464 | |
| cpc6128p | Amstrad CPC6128+ | 1990 | Amstrad plc | | | |
| cpc6128s | Amstrad CPC6128 (Sweden/Finland) | 1985 | Amstrad plc | cpc464 | cpc464 | |
| cpc6128sp | Amstrad CPC6128 (Spain) | 1985 | Amstrad plc | cpc464 | cpc464 | |
| cpc664 | Amstrad CPC664 | 1985 | Amstrad plc | cpc464 | cpc464 | |
| cpc88 | CPC-88 (MSX1, Korea) | 1984 | Daewoo | | | |
| cpcdigiblst | Digiblaster (DIY) | | | | | |
| cpchess2 | Computachess II | 1982 | CXG Systems / White and Allcock / Intelligent Software | | | |
| cpcmusic | The Music Machine (CPC) | | | | | |
| cpg120 | Zemmix CPG-120 Normal (MSX2, Korea) | 1991 | Daewoo | | | |
| cphantom | Chesster Phantom (model 6126) | 1991 | Fidelity Electronics International | | | |
| cpoker | Champion Poker (v220I) | 1993? | IGS | | | |
| cpoker101 | Champion Poker (v101) | 1993 | IGS | cpoker | cpoker | |
| cpoker2 | Champion Poker 2 (V100A) | 2000? | IGS | | | |
| cpoker201f | Champion Poker (v201F) | 1993 | IGS | cpoker | cpoker | |
| cpoker210ks | Champion Poker (v210KS) | 1993 | IGS | cpoker | cpoker | |
| cpoker300us | Champion Poker (v300US) | 1993 | IGS | cpoker | cpoker | |
| cpokerpk | Champion Italian PK (bootleg, blue board) | 199? | bootleg (SGS) | | | |
| cpokerpkg | Champion Italian PK (bootleg, green board) | 199? | bootleg (SGS) | cpokerpk | cpokerpk | |
| cpokert | Champion Poker (v200G) | 1993? | IGS (Tuning license) | cpoker | cpoker | |
| cpokerx | Champion Poker (v100) | 1993 | IGS | cpoker | cpoker | |
| cppicf | Peter Pepper's Ice Cream Factory (DECO Cassette) (US) (set 1) | 1984 | Data East Corporation | decocass | | |
| cppicf2 | Peter Pepper's Ice Cream Factory (DECO Cassette) (US) (set 2) | 1984 | Data East Corporation | cppicf | cppicf | |
| cprobowl | Pro Bowling (DECO Cassette) (US) | 1983 | Data East Corporation | decocass | | |
| cprogolf | Tournament Pro Golf (DECO Cassette) (US) | 1981 | Data East Corporation | decocass | | |
| cprogolf18 | 18 Challenge Pro Golf (DECO Cassette) (Japan) | 1982 | Data East Corporation | cprogolf | cprogolf | |
| cprogolfj | Tournament Pro Golf (DECO Cassette) (Japan) | 1981 | Data East Corporation | cprogolf | cprogolf | |
| cps1mult | CPS1 Multi Game | 20?? | bootleg | | | |
| cps2comm | Capcom CPS-2 communication board | | | | | |
| cps3_custom | CPS3 Custom Sound | | | | | |
| cps3boot | CPS3 Multi-game bootleg for HD6417095 type SH2 (V4) | 1999 | bootleg | | | |
| cps3boota | CPS3 Multi-game bootleg for dead security cart (V5) | 1999 | bootleg | cps3boot | cps3boot | |
| cps3bootao | CPS3 Multi-game bootleg for dead security cart (older) | 1999 | bootleg | cps3boot | cps3boot | |
| cps3bootao2 | CPS3 Multi-game bootleg for dead security cart (oldest) (New Generation, 2nd Impact and 3rd Strike only) | 1999 | bootleg | cps3boot | cps3boot | |
| cps3booto | CPS3 Multi-game bootleg for HD6417095 type SH2 (older) | 1999 | bootleg | cps3boot | cps3boot | |
| cps3booto2 | CPS3 Multi-game bootleg for HD6417095 type SH2 (oldest) (New Generation, 3rd Strike, JoJo's Venture, JoJo's Bizarre Adventure and Red Earth only) | 1999 | bootleg | cps3boot | cps3boot | |
| cps3bs32 | Street Fighter III 2nd Impact: Giant Attack (USA 970930, bootleg for HD6417095 type SH2, V3) | 1999 | bootleg | cps3boot | cps3boot | |
| cps3bs32a | Street Fighter III 2nd Impact: Giant Attack (USA 970930, bootleg for HD6417095 type SH2, older) | 1999 | bootleg | cps3boot | cps3boot | |
| cpsoccer | Pro Soccer (DECO Cassette) (US) | 1983 | Data East Corporation | decocass | | |
| cpsoccerj | Pro Soccer (DECO Cassette) (Japan) | 1983 | Data East Corporation | cpsoccer | cpsoccer | |
| cptennis | Pro Tennis (DECO Cassette) (US) | 1982 | Data East Corporation | decocass | | |
| cptennisj | Pro Tennis (DECO Cassette) (Japan) | 1982 | Data East Corporation | cptennis | cptennis | |
| cpthook | Captain Hook | 1985 | Game Plan | | | genpin |
| cptlucky | Captain Lucky | 1988 | Sigma | | | |
| cptshark | Captain Shark (Ver. CS.01.6, Apr 21 2006) | 2006 | Astro Corp. / American Alpha | | | |
| cpu09 | CPU09 | 1982 | C. Tavernier | | | |
| cpuap | Siemens S26361-D333 CPUAP | | | | | |
| cpzodiac | Captain Zodiac (World) | 1993 | Taito Corporation | | | |
| cpzodiacj | Captain Zodiac (Japan) | 1993 | Taito Corporation | cpzodiac | cpzodiac | |
| cq90_028 | Thomson CQ 90-028 QDD controller | | | | | |
| cqback | Electronic Quarterback | 1978 | Coleco | | | |
| cquestlin | Cube Quest Line CPU | | | | | |
| cquestrot | Cube Quest Rotate CPU | | | | | |
| cquestsnd | Cube Quest Sound CPU | | | | | |
| cr16b | CompactRISC CR16B | | | | | |
| cr511b | CR-511-B CD-ROM drive | | | | | |
| cr589 | Matsushita CR589 CD-ROM Drive | | | | | |
| cr589fw | CD-ROM Drive Updater 2.0 (700B04) | 1999 | Konami | sys573 | | |
| cr589fwa | CD-ROM Drive Updater (700A04) | 1999 | Konami | sys573 | | |
| crackndj | Crackin' DJ | 2000 | Sega | naomi | | |
| cracksht | Crackshot (version 2.0) | 1985 | Exidy | | | |
| craft | Craft | 2008 | Linus Åkesson | | | |
| craft2p | Craft II+ | 1982 | Craft | apple2 | apple2 | |
| crakndj2 | Crackin' DJ Part 2 (Japan) | 2001 | Sega | naomi | | |
| crash | Crash (set 1) | 1979 | Exidy | | | crash |
| crasha | Crash (set 2) | 1979 | Exidy | crash | crash | crash |
| crashnsc | Crash 'n Score/Stock Car | 1975 | Atari | | | |
| crashrd | Crash Road (bootleg of Space Chaser) | 1979 | bootleg (Centromatic) | schaser | schaser | |
| crater | Crater Raider | 1984 | Bally Midway | | | |
| crazybal | Crazy Balls (NAT) | 1978 | Electronic Games Systems / NAT | | | |
| crazybala | Crazy Balls (Bontempi, set 1) | 1978 | Electronic Games Systems / Bontempi | crazybal | crazybal | |
| crazybalb | Crazy Balls (Bontempi, set 2) | 1978 | Electronic Games Systems / Bontempi | crazybal | crazybal | |
| crazyblk | Crazy Blocks | 1983 | Kiwako (ECI license) | mrjong | mrjong | |
| crazybon | Crazy Bonus 2002 (Ver. 1, set 1) | 1997 | bootleg (Crazy Co.) | | | |
| crazybona | Crazy Bonus 2002 (Ver. 1, set 2) | 1997 | bootleg (Crazy Co.) | crazybon | crazybon | |
| crazybonb | Crazy Bonus 2002 (Ver. 1, set 3) | 1997 | bootleg (TV Games) | crazybon | crazybon | |
| crazycop | Crazy Cop (Japan) | 1988 | Konami | gbusters | gbusters | |
| crazyfgt | Crazy Fight | 1996 | Subsino | | | |
| crazym | Crazy Mazey | 1982 | bootleg (Game-A-Tron) | puckman | puckman | |
| crazywar | Crazy War | 2002 | Eolith | | | |
| crbaloon | Crazy Balloon (set 1) | 1980 | Taito Corporation | | | |
| crbaloon2 | Crazy Balloon (set 2) | 1980 | Taito Corporation | crbaloon | crbaloon | |
| crd254sh | Sanyo CRD-254SH CD-ROM | | | | | |
| cregchg | Chihiro Change Region GD USA (611-0028A) | 2003 | Sega | chihiro | | |
| crei680 | CREI 680 | 19?? | Capital Radio Engineering Institute | | | |
| crgolf | Crowns Golf (834-5419-04) | 1984 | Nasco Japan | | | |
| crgolfa | Crowns Golf (834-5419-03) | 1984 | Nasco Japan | crgolf | crgolf | |
| crgolfb | Crowns Golf (set 3) | 1984 | Nasco Japan | crgolf | crgolf | |
| crgolfbt | Champion Golf (bootleg) | 1984 | bootleg | crgolf | crgolf | |
| crgolfc | Champion Golf | 1984 | Nasco Japan | crgolf | crgolf | |
| crgolfhi | Crowns Golf in Hawaii | 1985 | Nasco Japan | | | |
| cricket | Cricket | 1995 | Daryde S. L. | | | |
| crimec | Crime City (World) | 1989 | Taito Corporation Japan | | | |
| crimecj | Crime City (Japan) | 1989 | Taito Corporation | crimec | crimec | |
| crimecu | Crime City (US) | 1989 | Taito America Corporation | crimec | crimec | |
| crimep2 | Crime Patrol 2: Drug Wars (v1.3) | 1993 | American Laser Games | alg_bios | | |
| crimep2_11 | Crime Patrol 2: Drug Wars (v1.1) | 1993 | American Laser Games | crimep2 | crimep2 | |
| crimepat | Crime Patrol (v1.51) | 1993 | American Laser Games | alg_bios | | |
| crimepat_10 | Crime Patrol (v1.0) | 1993 | American Laser Games | crimepat | crimepat | |
| crimepat_12 | Crime Patrol (v1.2) | 1993 | American Laser Games | crimepat | crimepat | |
| crimepat_14 | Crime Patrol (v1.4) | 1993 | American Laser Games | crimepat | crimepat | |
| crimfght | Crime Fighters (World 2 players) | 1989 | Konami | | | |
| crimfghtj | Crime Fighters (Japan 2 Players) | 1989 | Konami | crimfght | crimfght | |
| crimfghtu | Crime Fighters (US 4 Players) | 1989 | Konami | crimfght | crimfght | |
| crimson | Crimson (R4000, 100MHz, Ver. 4.0.3) | 1992 | Silicon Graphics Inc | | | |
| crisscrs | Criss Cross (Sweden) | 1986 | JPM | | | |