| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| macattck | Mac Attack | 1990 | Mr Game | | | genpin |
| maccclas | Macintosh Color Classic | 1993 | Apple Computer | | | |
| macclas2 | Macintosh Classic II | 1991 | Apple Computer | | | |
| macclasc | Macintosh Classic | 1990 | Apple Computer | | | |
| macct610 | Macintosh Centris 610 | 1993 | Apple Computer | macqd800 | macqd800 | |
| macct650 | Macintosh Centris 650 | 1993 | Apple Computer | macqd800 | macqd800 | |
| macdafb | Apple DAFB video | | | | | |
| macdafb_djmemc | Apple DAFB II video (djMEMC integrated) | | | | | |
| macdafb_memcjr | Apple DAFB II video (MEMCjr integrated) | | | | | |
| macdafb_q950 | Apple DAFB II video | | | | | |
| mace | Mace: The Dark Age (boot ROM 1.0ce, HDD 1.0b) | 1996 | Atari Games | | | |
| macea | Mace: The Dark Age (HDD 1.0a) | 1997 | Atari Games | mace | mace | |
| macf108 | Apple F108 memory controller | | | | | |
| macgalxy | MAC's Galaxy (yellow version, M.6) | 1986 | MAC S.A. | | | genpin |
| macgalxyb | MAC's Galaxy (blue version, M.042) | 1986 | MAC S.A. | macgalxy | macgalxy | genpin |
| mach2 | Mach 2 (set 1) | 1995 | Spinball | | | genpin |
| mach2a | Mach 2 (set 2) | 1995 | Spinball | mach2 | mach2 | genpin |
| mach3 | M.A.C.H. 3 (set 1) | 1983 | Mylstar | | | |
| mach32 | ATi mach32 | | | | | |
| mach32_8514a | ATi mach32 (2D acceleration module) | | | | | |
| mach3a | M.A.C.H. 3 (set 2) | 1983 | Mylstar | mach3 | mach3 | |
| mach3b | M.A.C.H. 3 (set 3) | 1983 | Mylstar | mach3 | mach3 | |
| mach64 | ATi mach64 | | | | | |
| mach64_8514a | ATi mach64 (2D acceleration module) | | | | | |
| mach64isa | ATi mach64 Card | | | | | |
| mach8 | Mach8 | | | | | |
| mach9 | Mach-9 (bootleg of Vulgus) | 1984 | bootleg (Itisa) | vulgus | vulgus | |
| macha | Monoshiri Quiz Oshaberi Macha (Japan) | 1983 | Logitec | | | |
| machbrkr | Mach Breakers (World, MB2) | 1995 | Namco | | | |
| machbrkrj | Mach Breakers - Numan Athletics 2 (Japan, MB1) | 1995 | Namco | machbrkr | machbrkr | |
| machdrum | Machinedrum SPS-1 MK2 | 2007 | Elektron | | | |
| machiman | Machine Man | 1984 | Bandai | | | |
| machomou | Macho Mouse | 1982 | Techstar | | | |
| macii | Macintosh II | 1987 | Apple Computer | | | |
| maciici | Macintosh IIci | 1989 | Apple Computer | | | |
| maciicx | Macintosh IIcx | 1989 | Apple Computer | mac2fdhd | mac2fdhd | |
| maciifx | Macintosh IIfx | 1990 | Apple Computer | | | |
| maciihmu | Macintosh II (w/o 68851 MMU) | 1987 | Apple Computer | macii | macii | |
| maciisi | Macintosh IIsi | 1990 | Apple Computer | | | |
| maciivi | Macintosh IIvi | 1993 | Apple Computer | maciivx | maciivx | |
| maciivx | Macintosh IIvx | 1993 | Apple Computer | | | |
| maciix | Macintosh IIx | 1988 | Apple Computer | mac2fdhd | mac2fdhd | |
| macjungl | MAC Jungle | 1987 | MAC S.A. | | | genpin |
| macjungn | MAC Jungle (New version) | 1995 | MAC S.A. | | | genpin |
| mackbd_m0110 | Macintosh Keyboard (U.S. - M0110) | | | | | |
| mackbd_m0110a | Macintosh Plus Keyboard (U.S. - M0110A) | | | | | |
| mackbd_m0110a_f | Macintosh Plus Keyboard (French - M0110A F) | | | mackbd_m0110a | | |
| mackbd_m0110a_j | Macintosh Plus Keyboard (Japanese - M0110A J) | | | mackbd_m0110a | | |
| mackbd_m0110b | Macintosh Keyboard (British - M0110B) | | | mackbd_m0110 | | |
| mackbd_m0110f | Macintosh Keyboard (French - M0110F) | | | mackbd_m0110 | | |
| mackbd_m0110j | Macintosh Keyboard (Japanese - M0110J) | | | mackbd_m0110 | | |
| mackbd_m0110t | Macintosh Keyboard (Italian - M0110T) | | | mackbd_m0110 | | |
| mackbd_m0120 | Macintosh Numeric Keypad (English - M0120) | | | mackbd_m0110 | | |
| mackbd_m0120p | Macintosh Numeric Keypad (European - M0120P) | | | mackbd_m0110 | | |
| mackbd_port | Macintosh 128k/512k/Plus Keyboard Port | | | | | |
| maclc | Macintosh LC | 1990 | Apple Computer | | | |
| maclc2 | Macintosh LC II | 1991 | Apple Computer | | | |
| maclc3 | Macintosh LC III | 1993 | Apple Computer | | | |
| maclc3p | Macintosh LC III+ | 1993 | Apple Computer | maclc3 | maclc3 | |
| maclc475 | Macintosh LC/Performa 475 | 1993 | Apple Computer | macqd605 | macqd605 | |
| maclc520 | Macintosh LC 520 | 1993 | Apple Computer | | | |
| maclc550 | Macintosh LC 550 | 1994 | Apple Computer | maclc520 | maclc520 | |
| maclc575 | Macintosh LC/Performa 575 | 1994 | Apple Computer | macqd605 | macqd605 | |
| maclc580 | Macintosh LC/Performa 580 | 1995 | Apple Computer | macqd630 | macqd630 | |
| macpb100 | Macintosh PowerBook 100 | 1991 | Apple Computer | | | |
| macpb140 | Macintosh PowerBook 140 | 1991 | Apple Computer | | | |
| macpb145 | Macintosh PowerBook 145 | 1992 | Apple Computer | macpb140 | macpb140 | |
| macpb145b | Macintosh PowerBook 145B | 1993 | Apple Computer | macpb140 | macpb140 | |
| macpb160 | Macintosh PowerBook 160 | 1992 | Apple Computer | | | |
| macpb165 | Macintosh PowerBook 165 | 1993 | Apple Computer | macpb160 | macpb160 | |
| macpb165c | Macintosh PowerBook 165c | 1993 | Apple Computer | macpb180c | macpb180c | |
| macpb170 | Macintosh PowerBook 170 | 1991 | Apple Computer | macpb140 | macpb140 | |
| macpb180 | Macintosh PowerBook 180 | 1992 | Apple Computer | macpb160 | macpb160 | |
| macpb180c | Macintosh PowerBook 180c | 1993 | Apple Computer | | | |
| macpd210 | Macintosh PowerBook Duo 210 | 1992 | Apple Computer | | | |
| macpd230 | Macintosh PowerBook Duo 230 | 1992 | Apple Computer | macpd210 | macpd210 | |
| macpd250 | Macintosh PowerBook Duo 250 | 1993 | Apple Computer | macpd210 | macpd210 | |
| macpd270c | Macintosh PowerBook Duo 270c | 1993 | Apple Computer | | | |
| macpd280 | Macintosh PowerBook Duo 280 | 1994 | Apple Computer | | | |
| macpd280c | Macintosh PowerBook Duo 280c | 1994 | Apple Computer | macpd280 | macpd280 | |
| macpds | Mac 68000 Processor-Direct Bus | | | | | |
| macpds_slot | Mac 68000 Processor-Direct Slot | | | | | |
| macplus | Macintosh Plus | 1986 | Apple Computer | | | |
| macprtb | Macintosh Portable | 1989 | Apple Computer | | | |
| macqd605 | Macintosh Quadra 605 | 1993 | Apple Computer | | | |
| macqd610 | Macintosh Quadra 610 | 1993 | Apple Computer | macqd800 | macqd800 | |
| macqd630 | Macintosh Quadra 630 | 1994 | Apple Computer | | | |
| macqd650 | Macintosh Quadra 650 | 1993 | Apple Computer | macqd800 | macqd800 | |
| macqd700 | Macintosh Quadra 700 | 1991 | Apple Computer | | | |
| macqd800 | Macintosh Quadra 800 | 1993 | Apple Computer | | | |
| macqd900 | Macintosh Quadra 900 | 1991 | Apple Computer | | | |
| macqd950 | Macintosh Quadra 950 | 1992 | Apple Computer | | | |
| macronix_29f008tc | Macronix 29F008TC Flash | | | | | |
| macronix_29f1610mc | Macronix 29F1610MC Flash | | | | | |
| macronix_29f1610mc_16bit | Macronix 29F1610MC Flash (16-bit) | | | | | |
| macronix_29l001mc | Macronix 29L001MC Flash | | | | | |
| macronix_29lv160tmc | Macronix 29LV160TMC Flash | | | | | |
| macross | Super Spacefortress Macross / Chou-Jikuu Yousai Macross | 1992 | Banpresto | | | |
| macross2 | Super Spacefortress Macross II / Chou-Jikuu Yousai Macross II | 1993 | Banpresto | | | |
| macross2g | Super Spacefortress Macross II / Chou-Jikuu Yousai Macross II (Gamest review build) | 1993 | Banpresto | macross2 | macross2 | |
| macross2k | Macross II (Korea) | 1993 | Banpresto | macross2 | macross2 | |
| macrossp | Macross Plus | 1996 | MOSS / Banpresto | | | |
| macsbios | Multi Amenity Cassette System BIOS | 1995 | I'Max | | | |
| macse | Macintosh SE | 1987 | Apple Computer | | | |
| macse30 | Macintosh SE/30 | 1989 | Apple Computer | mac2fdhd | mac2fdhd | |
| macsefd | Macintosh SE (FDHD) | 1987 | Apple Computer | | | |
| mactv | Macintosh TV | 1994 | Apple Computer | | | |
| macxl | Macintosh XL | 1985 | Apple Computer | lisa2 | lisa2 | |
| madalien | Mad Alien (set 1) | 1980 | Data East Corporation | | | |
| madaliena | Mad Alien (set 2) | 1980 | Data East Corporation | madalien | madalien | |
| madalienb | Mad Alien (set 2, alt gfx) | 1980 | Data East Corporation | madalien | madalien | |
| madball | Mad Ball (V2.0) | 1998 | Yun Sung | | | |
| madballn | Mad Ball (V2.0, with nudity) | 1997 | Yun Sung | madball | madball | |
| madcrash | Mad Crasher | 1984 | SNK | | | |
| madcrush | Mad Crusher (Japan) | 1984 | SNK | madcrash | madcrash | |
| maddog | Mad Dog McCree (v2.03 board rev.B) | 1990 | American Laser Games | alg_bios | | |
| maddog_202 | Mad Dog McCree (v2.02 board rev.B) | 1990 | American Laser Games | maddog | maddog | |
| maddog2 | Mad Dog II: The Lost Gold (v2.04) | 1992 | American Laser Games | alg_bios | | |
| maddog2_100 | Mad Dog II: The Lost Gold (v1.00) | 1992 | American Laser Games | maddog2 | maddog2 | |
| maddog2_110 | Mad Dog II: The Lost Gold (v1.10) | 1992 | American Laser Games | maddog2 | maddog2 | |
| maddog2_202 | Mad Dog II: The Lost Gold (v2.02) | 1992 | American Laser Games | maddog2 | maddog2 | |
| maddoga | Mad Dog McCree (v1C board rev.A) | 1990 | American Laser Games | maddog | maddog | |
| maddonna | Mad Donna (Tuning, set 1) | 1995 | Promat (Tuning license) | | | |
| maddonnab | Mad Donna (Tuning, set 2) | 1995 | Promat (Tuning license) | maddonna | maddonna | |
| madgear | Mad Gear (US) | 1989 | Capcom | | | |
| madgearj | Mad Gear (Japan) | 1989 | Capcom | madgear | madgear | |
| madmoney2 | Mad Money 2 | 1988 | Picmatic | | | |
| madmotor | Mad Motor (prototype, set 1) | 1989 | Mitchell | | | |
| madmotora | Mad Motor (prototype, set 2) | 1989 | Mitchell | madmotor | madmotor | |
| madrace | Mad Race | 1985 | Playmatic | | | genpin |
| madshark | Mad Shark | 1993 | Allumer | | | |
| madsharkbl | Mad Shark (bootleg) | 1993 | bootleg | madshark | madshark | |
| madzoo | Mad Zoo (version U450C) | 1995 | Bordun International | | | |
| mag_boob | Booby Kids (Magnet System) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_burn | The Burning Cavern (31/03/87) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_day | A Day In Space (31/03/87) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_drac | Dracula's Castle (Magnet System) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_exzi | Exzisus (EX 1.0, Magnet System) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_pdak | Paris Dakar (31/03/87, Spanish) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_time | Time Scanner (TS 2.0, Magnet System) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_war | War Mission (WM 04/06/87) | 1987 | EFO SA / Cedar | cedmag | | |
| mag_wara | War Mission (WM 09/04/87) | 1987 | EFO SA / Cedar | mag_war | mag_war | |
| mag_xain | Xain'd Sleena (SC 3.0, Magnet System) | 1987 | EFO SA / Cedar | cedmag | | |
| mag10 | Magic 10 Nevada (bootleg of Pool 10) | 1997 | bootleg (Magic) | pool10 | pool10 | |
| magb233 | Magitronic B233 | 198? | Magitronic Technology | ibm5170 | ibm5170 | |
| magb236 | Magitronic B236 | 198? | Magitronic Technology | ibm5170 | ibm5170 | |
| magdrop | Magical Drop (Japan, Version 1.1, 1995.06.21) | 1995 | Data East Corporation | chainrec | chainrec | |
| magdrop2 | Magical Drop II | 1996 | Data East Corporation | neogeo | | |
| magdrop3 | Magical Drop III | 1997 | Data East Corporation | neogeo | | |
| magdropp | Magical Drop Plus 1 (Japan, Version 2.1, 1995.09.12) | 1995 | Data East Corporation | chainrec | chainrec | |
| magerror | Magical Error wo Sagase | 1994 | Technosoft / Jaleco | | | |
| magforst | Magic Forest (0151139, US) | 2005 | Aristocrat | aristmk6 | | |
| magibomb | Magic Bomb (Ver. L3.5S) | 2001? | Astro Corp. | | | |
| magibomba | Magic Bomb (Ver. BR4.4, 04/19/02S) | 2002 | Astro Corp. | magibomb | magibomb | |
| magibombb | Magic Bomb (Ver. AB4.5A, 07/10/02S) | 2002 | Astro Corp. | magibomb | magibomb | |
| magibombc | Magic Bomb (Ver. AB4.2, 11/10/01) | 2001 | Astro Corp. | magibomb | magibomb | |
| magibombd | Magic Bomb (Ver. AA.72.D, 14/11/05) | 2005 | Astro Corp. | magibomb | magibomb | |
| magibombe | Magic Bomb (Ver. A3.1) | 2001? | Astro Corp. | magibomb | magibomb | |
| magibombf | Magic Bomb (Ver. NB4.5, 06/14/02S) | 2002 | Astro Corp. | magibomb | magibomb | |
| magibombg | Magic Bomb (Ver. NB6.1, 26/04/04) | 2004 | Astro Corp. | magibomb | magibomb | |
| magibombh | Magic Bomb (Ver. A4.0A) | 2001? | Astro Corp. | magibomb | magibomb | |
| magibombi | Magic Bomb (Ver. A3.6A) | 2001? | Astro Corp. | magibomb | magibomb | |
| magibombj | Magic Bomb (Ver. AA.72.C, 25/05/05) | 2005 | Astro Corp. | magibomb | magibomb | |
| magibombk | Magic Bomb (Ver. A3.0) | 2001? | Astro Corp. | magibomb | magibomb | |
| magibombl | Magic Bomb (Ver. AB4.3A, 10/30/01S) | 2001 | Astro Corp. | magibomb | magibomb | |
| magibombm | Magic Bomb (Ver. AB5.3, 20/06/03) | 2003 | Astro Corp. | magibomb | magibomb | |
| magibombn | Magic Bomb (Ver. EB4.0, 05/04/01) | 2001 | Astro Corp. | magibomb | magibomb | |
| magibooksp | MagiBook (Spanish) | 2016 | VTech | | | |
| magic | Magic | 1979 | Stern | | | genpin |
| magic10 | Magic's 10 (ver. 16.55) | 1995 | A.W.P. Games | | | |
| magic102 | Magic's 10 2 (ver. 1.1) | 1997 | ABM Games | | | |
| magic102a | Magic's 10 2 (ver. BETA3) | 1997 | ABM Games | magic102 | magic102 | |
| magic10a | Magic's 10 (ver. 16.54) | 1995 | A.W.P. Games | magic10 | magic10 | |
| magic10b | Magic's 10 (ver. 16.45) | 1995 | A.W.P. Games | magic10 | magic10 | |
| magic10c | Magic's 10 (ver. 16.15) | 1995 | A.W.P. Games | magic10 | magic10 | |
| magic6 | Magic 6 | 1993 | <unknown> | spectrum | spectrum | |
| magicard | Magic Card (v2.01) | 1994 | Impera | | | |
| magicbal | Magicball Fighting (Korea) | 1994 | SemiCom | | | |
| magicbom | Magic Bomb (Version 1) | 2000 | High Video | | | |
| magicbub | Magic Bubble | 199? | Yun Sung | | | |
| magicbuba | Magic Bubble (Adult version, YS1302 PCB, set 1) | 199? | Yun Sung | magicbub | magicbub | |
| magicbubb | Magic Bubble (Adult version, YS1302 PCB, set 2) | 199? | Yun Sung | magicbub | magicbub | |
| magicbubc | Magic Bubble (Adult version, YS-0211 PCB) | 199? | Yun Sung | magicbub | magicbub | |
| magicfly | Magic Fly | 198? | P&A Games | | | |
| magician | The Magician (20210111, NSW/ACT) | 2006 | Aristocrat | aristmk6 | | |
| magicle | Magic Lotto Export (5.03) | 2001 | Impera | | | |
| magicpop | Magical Poppins | 2009 | Sega | segasp | | |
| magicrd1 | Magic Card (v1.10 14.09.94) | 1994 | Impera | | | |
| magicrd1a | Magic Card (v1.5 17.12.93, set 1) | 1993 | Impera | magicrd1 | magicrd1 | |
| magicrd1b | Magic Card (v1.5 17.12.93, set 2) | 1993 | Impera | magicrd1 | magicrd1 | |
| magicrd1c | Magic Card (v1.2 200/93, set 1) | 1993 | Impera | magicrd1 | magicrd1 | |
| magicrd1d | Magic Card (v1.2 200/93, set 2) | 1993 | Impera | magicrd1 | magicrd1 | |
| magicrd2 | Magic Card II (Bulgarian) | 1996 | Impera | | | |
| magicrd2a | Magic Card II (Nov, Yugoslavian) | 1996 | Impera | magicrd2 | magicrd2 | |
| magicrd2b | Magic Card II (green TAB or Impera board) | 1996 | Impera | magicrd2 | magicrd2 | |
| magicrd2c | Magic Card II (blue TAB board, encrypted) | 1996 | Impera | magicrd2 | magicrd2 | |
| magicrde | Magic Card Export 94 (v2.11a, set 1) | 1994 | Impera | | | |
| magicrdea | Magic Card Export 94 (v2.11a, set 2) | 1994 | Impera | magicrde | magicrde | |
| magicrdeb | Magic Card Export 94 (V2.11a, set 3) | 1994 | Impera | magicrde | magicrde | |
| magicrdec | Magic Card Export 94 (v2.09a) | 1994 | Impera | magicrde | magicrde | |
| magicrdj | Magic Card III Jackpot (V4.01 6/98) | 1998 | Impera | | | |
| magicrdja | Magic Card III Jackpot (V4.01 7/98) | 1998 | Impera | magicrdj | magicrdj | |
| magicstk | Magic Sticks | 1995 | Playmark | | | |
| magictch | Magic Touch (v. 28.05) | 1998 | Playmark | | | |
| magictcha | Magic Touch (v. 24.03) | 1998 | Playmark | magictch | magictch | |
| magictg | Magic the Gathering: Armageddon (set 1) | 1997 | Acclaim | | | |
| magictga | Magic the Gathering: Armageddon (set 2) | 1997 | Acclaim | magictg | magictg | |
| magimask | Magic Mask (AHG1549, US) | 2000 | Aristocrat | aristmk5 | | |
| magimaska | Magic Mask (AHG1548, US) | 2000 | Aristocrat | magimask | magimask | |
| magimaskb | Magic Mask (DHG1309, US) | 2000 | Aristocrat | magimask | magimask | |
| magimaskc | Magic Mask (AHG1207, US) | 2000 | Aristocrat | magimask | magimask | |
| magipur | Magic Purple | 1996 | Unico | | | |
| magix | Magix / Rock | 1995 | Yun Sung | | | |
| magixb | Magix / Rock (no copyright message) | 1995 | Yun Sung | magix | magix | |
| magjack | Magical Jack (VA 4.00) | 2000 | Global | | | |
| magjacka | Magical Jack (VA 3.30) | 2000 | Global | magjack | magjack | |
| magjackb | Magical Jack (VA 3.11) | 2000 | Global | magjack | magjack | |
| magjackc | Magical Jack (VA 2.0) | 1999 | Global | magjack | magjack | |
| magjackp | Magical Jack Plus (VA 6.03) | 2001 | Global | | | |
| magjackpa | Magical Jack Plus (VA 6.01) | 2000 | Global | magjackp | magjackp | |
| magjoker | Magic Joker (v1.25.10.2000) | 2000 | B.R.L. | | | |
| magkengo | Magical Kengo 2005 (Ver. 1.2) | 2005 | Herb Home | | | |
| magkengou | Magical Kengo 2005 (Ver. USA 1.10) | 2005 | Herb Home | magkengo | magkengo | |
| maglord | Magician Lord (NGM-005) | 1990 | Alpha Denshi Co. | neogeo | | |
| maglordh | Magician Lord (NGH-005) | 1990 | Alpha Denshi Co. | maglord | maglord | |
| magmax | Mag Max (set 1) | 1985 | Nichibutsu | | | |
| magmaxa | Mag Max (set 2) | 1985 | Nichibutsu | magmax | magmax | |
| magmerm | Magic Mermaid (0251331, US) | 2003 | Aristocrat | mystmerm | mystmerm | |
| magnum | Magnum | 1983 | Dulmont | | | |
| magnum6_pad | Interact Magnum 6 Game Controller | | | | | |
| magodds | Magical Odds (set 1) | 1992 | Pal Company / Micro Manufacturing Inc. | | | |
| magoddsa | Magical Odds (set 2) | 1992 | Pal Company / Micro Manufacturing Inc. | magodds | magodds | |
| magoddsb | Magical Odds (set 3) | 1992 | Pal Company / Micro Manufacturing Inc. | magodds | magodds | |
| magoddsc | Magical Odds (set 4, custom encrypted CPU block) | 1991 | Pal Company | magodds | magodds | |
| magoddsd | Magical Odds (set 5, custom encrypted CPU block) | 1991 | Pal Company | magodds | magodds | |
| magreel | Magic Reels | 199? | Play System | | | |
| magslot | Magic Slot (normal 1.0C) | 2003 | GMS | | | |
| magspeed | Magical Speed | 1994 | Allumer | | | |
| magspot | Magical Spot | 1980 | Universal | | | |
| magspot2 | Magical Spot II | 1980 | Universal | | | |
| magtcha5 | Magic Touch (0300455V, NSW/ACT) | 1997 | Aristocrat | aristmk5 | | |
| magtcha5a | Magic Touch (0200455V, NSW/ACT) | 1997 | Aristocrat | magtcha5 | magtcha5 | |
| magtouch | Magical Touch | 1995 | Micro Manufacturing | | | |
| magtruck | Magical Truck Adventure (Export) | 1998 | Sega | | | |
| maguila | Up Maguila (bootleg of Donkey Kong Jr.) | 1982 | bootleg (Aguipa) | dkongjr | dkongjr | |
| magworm | Magic Worm (bootleg of Centipede, set 1) | 1980 | bootleg (Sidam) | centiped | centiped | |
| magworma | Magic Worm (bootleg of Centipede, set 2) | 1980 | bootleg | centiped | centiped | |
| magzun | Magical Zunou Power (J 961031 V1.000) | 1996 | Sega | stvbios | | |
| mahg156 | Mini Arcade Handheld Game Console 2.8 Inch Screen Built in 156 Retro Games (Mega Drive handheld) | 201? | <unknown> | | | |
| mahjngoh | Mahjong Oh (V2.06J 1999/11/23 08:52:22) | 1999 | Warashi / Mahjong Kobo / Taito | coh3002t | | |