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MAME ROMs
Featured Games
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Oriental Legend / Xi You Shi E Zhuan (ver. 126)
Oriental Legend Special Plus / Xi You Shi E Zhuan Super Plus
Out Run (Japan, deluxe sitdown, FD1089A 317-0019)
Out Run (sitdown/upright, Rev A)
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Filter by region:
All (342)
All (342)
USA (296)
Japan (26)
China (7)
Netherlands (6)
Germany (3)
Korea (2)
Russia (2)
Oba-Oba (set 1)
Oba-Oba (set 2)
Octopus (Nova) (MPU4)
Odds On (Barcrest) (MPU3)
Odin
Odin De Luxe
Odisea Paris-Dakar
Oedo Fight (Japan Bloodshed Ver.)
Off Road Challenge (v1.10)
Off Road Challenge (v1.30)
Off Road Challenge (v1.40)
Off Road Challenge (v1.50)
Off Road Challenge (v1.63)
Off The Charts (Russia)
Off the Wall (2-player cocktail)
Off the Wall (2/3-player upright)
Off the Wall (Sente)
Off Your Face (Bellfruit) (Scorpion 4) (set 1)
Off Your Face (Bellfruit) (Scorpion 4) (set 2)
Office Yeo In Cheon Ha (version 1.2)
Offroad Thunder
Oh La La (Stella)
Oh My God! (Japan)
Oh! Bakyuuun (Japan, OB1/VER.A)
Oh! Paipee (Japan 890227)
Oigas (bootleg)
Oinori-daimyoujin Matsuri
Oishii Puzzle Ha Irimasenka
Ojanko Club (Japan)
Ojanko High School (Japan)
Ojanko Yakata (Japan)
Ojanko Yakata 2bankan (Japan)
Ojousan (Japan 871204)
Ojousan [BET] (Japan 870108)
Old Coney Island!
Old Timer (Barcrest) (Dutch) (MPU4) (DOT1.1)
Old Timer (Barcrest) (Dutch, alt 'Black and White' sound roms) (DOT1.1)
Old Timer (Barcrest) (Dutch, alt 'JPM Classic' sound roms) (DOT1.1)
Oli-Boo-Chu
Ollie King (GDX-0007)
Olympia (Dutch) (Bellfruit) (Scorpion 1)
Olympian Games (Russia)
Olympic Games
Olympic Gold (Bellfruit) (set 1, UK) (Scorpion 2/3)
Olympic Gold (Bellfruit) (set 1, UK, Protocol) (Scorpion 2/3)
Olympic Gold (Bellfruit) (set 2, UK, 10GBP Jackpot) (Scorpion 2/3)
Olympic Gold (Bellfruit) (set 2, UK, 10GBP Jackpot, Protocol) (Scorpion 2/3)
Olympic Gold (German) (Nova) (MPU4) (set 1)
Olympic Gold (German) (Nova) (MPU4) (set 2)
Olympic Hot Stuff (TAS 5 Reel System)
Olympic Soccer '92 (set 1)
Olympic Soccer '92 (set 2)
Olympus
Omega
Omega (Barcrest) (Dutch) (MPU4)
Omega (Maygay) (M1A/B) (set 1)
Omega (Maygay) (M1A/B) (set 2)
Omega Fighter
Omega Fighter Special
Omega Race (set 1)
Omega Race (set 2)
Omni
Omni (Shuffle) (L-1)
Omotesandou (Japan 890215)
On Line (Pcp) (MPU3)
On The Box (Ace) (sp.ACE) (set 1)
On The Box (Ace) (sp.ACE) (set 10)
On The Box (Ace) (sp.ACE) (set 11)
On The Box (Ace) (sp.ACE) (set 12)
On The Box (Ace) (sp.ACE) (set 13)
On The Box (Ace) (sp.ACE) (set 14)
On The Box (Ace) (sp.ACE) (set 15)
On The Box (Ace) (sp.ACE) (set 2)
On The Box (Ace) (sp.ACE) (set 3)
On The Box (Ace) (sp.ACE) (set 4)
On The Box (Ace) (sp.ACE) (set 5)
On The Box (Ace) (sp.ACE) (set 6)
On The Box (Ace) (sp.ACE) (set 7)
On The Box (Ace) (sp.ACE) (set 8)
On The Box (Ace) (sp.ACE) (set 9)
On The Buses (Maygay) (M1A/B) (set 1)
On The Buses (Maygay) (M1A/B) (set 10)
On The Buses (Maygay) (M1A/B) (set 11)
On The Buses (Maygay) (M1A/B) (set 12)
On The Buses (Maygay) (M1A/B) (set 13)
On The Buses (Maygay) (M1A/B) (set 14)
On The Buses (Maygay) (M1A/B) (set 15)
On The Buses (Maygay) (M1A/B) (set 16)
On The Buses (Maygay) (M1A/B) (set 17)
On The Buses (Maygay) (M1A/B) (set 2)
On The Buses (Maygay) (M1A/B) (set 3)
On The Buses (Maygay) (M1A/B) (set 4)
On The Buses (Maygay) (M1A/B) (set 5)
On The Buses (Maygay) (M1A/B) (set 6)
On The Buses (Maygay) (M1A/B) (set 7)
On The Buses (Maygay) (M1A/B) (set 8)
On The Buses (Maygay) (M1A/B) (set 9)
On The Fiddle (Barcrest) (MPU5) (set 1)
On The Fiddle (Barcrest) (MPU5) (set 2)
On The Piste (Ace) (sp.ACE) (set 1)
On The Piste (Ace) (sp.ACE) (set 10)
On The Piste (Ace) (sp.ACE) (set 11)
On The Piste (Ace) (sp.ACE) (set 12)
On The Piste (Ace) (sp.ACE) (set 13)
On The Piste (Ace) (sp.ACE) (set 14)
On The Piste (Ace) (sp.ACE) (set 15)
On The Piste (Ace) (sp.ACE) (set 16)
On The Piste (Ace) (sp.ACE) (set 17)
On The Piste (Ace) (sp.ACE) (set 2)
On The Piste (Ace) (sp.ACE) (set 3)
On The Piste (Ace) (sp.ACE) (set 4)
On The Piste (Ace) (sp.ACE) (set 5)
On The Piste (Ace) (sp.ACE) (set 6)
On The Piste (Ace) (sp.ACE) (set 7)
On The Piste (Ace) (sp.ACE) (set 8)
On The Piste (Ace) (sp.ACE) (set 9)
On The Up (Mazooma) (Scorpion 4) (set 1)
On The Up (Mazooma) (Scorpion 4) (set 2)
One + Two
One + Two (earlier)
One Shot One Kill
Oni - The Ninja Master (Japan)
Only Fools & Horses (Bellfruit) (set 1) (Scorpion 2/3)
Only Fools & Horses (Bellfruit) (set 2) (Scorpion 2/3)
Only Fools & Horses (Bellfruit) (set 3) (Scorpion 2/3)
Only Fools & Horses (Bellfruit) (set 4) (Scorpion 2/3)
Only Fools & Horses (Bellfruit) (set 5) (Scorpion 2/3)
Only Fools and Horses (Bellfruit) (Scorpion 1?)
Onna Sansirou - Typhoon Gal (set 1)
Onna Sansirou - Typhoon Gal (set 2)
Ooh Aah Dracula (Barcrest) (MPU4) (set 1)
Ooh Aah Dracula (Barcrest) (MPU4) (set 2)
Ooh Aah Dracula (Barcrest) (MPU4) (set 3)
Ooh Aah Dracula (Barcrest) (MPU4) (set 4)
Ooh Aah Dracula (Barcrest) (MPU4) (set 5)
Ooh Aah Dracula (Barcrest) (MPU4) (set 6)
Ooh Aah Dracula (Barcrest) (MPU4) (set 7)
Ooh Aah Dracula (Barcrest) (MPU4) (set 8)
Ooh Aah Dracula (Barcrest) (MPU4) (set 9)
Ooh Aah Dracula (Barcrest) (MPU5) (set 1)
Ooh Aah Dracula (Barcrest) (MPU5) (set 2)
Ooh Aah Dracula Club (Barcrest) (MPU5) (set 1)
Ooh Aah Dracula Club (Barcrest) (MPU5) (set 2)
Ooh Aah Dracula Club (Barcrest) (MPU5) (set 3)
Ooh Ahh Dracula Rio (Barcrest) (MPU5)
Oozumou - The Grand Sumo (DECO Cassette, Japan)
Opa Opa (MC-8123, 317-0042)
Open Mahjong [BET] (Japan)
Open Sesame (Bellfruit) (Scorpion 4) (set 1)
Open Sesame (Bellfruit) (Scorpion 4) (set 2)
Open The Box (Ace) (sp.ACE) (set 1)
Open The Box (Ace) (sp.ACE) (set 10)
Open The Box (Ace) (sp.ACE) (set 2)
Open The Box (Ace) (sp.ACE) (set 3)
Open The Box (Ace) (sp.ACE) (set 4)
Open The Box (Ace) (sp.ACE) (set 5)
Open The Box (Ace) (sp.ACE) (set 6)
Open The Box (Ace) (sp.ACE) (set 7)
Open The Box (Ace) (sp.ACE) (set 8)
Open The Box (Ace) (sp.ACE) (set 9)
Open The Box (Barcrest) (MPU5) (set 1)
Open The Box (Barcrest) (MPU5) (set 2)
Open The Box (Barcrest) (MPU5) (set 3)
Open The Box (Barcrest) (MPU5) (set 4)
Operation Bear (bootleg of Operation Wolf)
Operation Thunder Hurricane (ver EAA)
Operation Thunder Hurricane (ver UAA)
Operation Thunderbolt (Japan)
Operation Thunderbolt (US)
Operation Thunderbolt (US, older)
Operation Thunderbolt (World)
Operation Tiger
Operation Wolf (Japan)
Operation Wolf (US)
Operation Wolf (World, set 1)
Operation Wolf (World, set 2)
Operation Wolf 3 (US)
Operation Wolf 3 (World)
Operation: Thunder
Option 3 (v1.0) (Datapak) (MPU4 Video)
Option 3 (v1.0) (MPU4 Video)
Options Unlimited (Barcrest) (MPU3)
Oracle (Dutch) (Bellfruit) (Scorpion 1)
Orange Club - Maru-hi Ippatsu Kaihou [BET] (Japan 880221)
Orange Club - Maruhi Kagai Jugyou (Japan 880213)
Orbit
Orbit 1
Orbitor 1
Orbitron
Orbs (10/7/94 prototype?)
Ordyne (Japan)
Ordyne (Japan, English Version)
Oriental Diamonds (Barcrest) (German) (MPU4)
Oriental Legend / Xi You Shi E Zhuan (ver. 105, Korean Board)
Oriental Legend / Xi You Shi E Zhuan (ver. 111, Chinese Board)
Oriental Legend / Xi You Shi E Zhuan (ver. 111, Taiwanese Board)
Oriental Legend / Xi You Shi E Zhuan (ver. 112)
Oriental Legend / Xi You Shi E Zhuan (ver. 112, Chinese Board)
Oriental Legend / Xi You Shi E Zhuan (ver. 126)
Oriental Legend / Xi You Shi E Zhuan (ver. ???, Chinese Board)
Oriental Legend 2 (V101, China)
Oriental Legend 2 (V103, China)
Oriental Legend 2 (V104, China)
Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 1)
Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 100, set 2)
Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 101, Korean Board)
Oriental Legend Special / Xi You Shi E Zhuan Super (ver. 103, China, Tencent) (unprotected)
Oriental Legend Special Plus / Xi You Shi E Zhuan Super Plus
Orlando Magic (Bwb) (MPU4) (set 1)
Orlando Magic (Bwb) (MPU4) (set 2)
Orlando Magic (Bwb) (MPU4) (set 3)
Orlando Magic (Bwb) (MPU4) (set 4)
Orlando Magic (Bwb) (MPU4) (set 5)
Orlando Magic (Bwb) (MPU4) (set 6)
Orlando Magic (Bwb) (MPU4) (set 7)
Orlando Magic (Bwb) (MPU4) (set 8)
Orlando Magic (Bwb) (MPU4) (set 9)
Osman (World)
Othello (version 3.0)
Othello Derby (Japan)
Othello Shiyouyo (J 980423 V1.002)
Otogizoushi Urashima Mahjong (Japan)
Otona no Mahjong (Japan 880628)
Ougon no Shiro (Japan)
Out Run (bootleg)
Out Run (deluxe sitdown)
Out Run (Japan, deluxe sitdown, FD1089A 317-0019)
Out Run (Mega-Tech, SMS based)
Out Run (sitdown/upright)
Out Run (sitdown/upright, Rev A)
Out Run (sitdown/upright, Rev B)
Out Run 2 (Rev A) (GDX-0004A)
Out Run 2 Special Tours (Rev A) (GDX-0014A)
Out Zone
Out Zone (harder)
Out Zone (old set)
Out Zone (older set)
Out Zone (oldest set)
Outlaw (Bellfruit) (Scorpion 4) (set 1)
Outlaw (Bellfruit) (Scorpion 4) (set 2)
Outlaw (Bellfruit) (Scorpion 4) (set 3)
Outlaw (Bellfruit) (Scorpion 4) (set 4)
Outlaw (JPM) (IMPACT, Club?)
Outlaw (JPM) (IMPACT, v3)
Outlaw (JPM) (IMPACT, v3) (Protocol)
Outlaw [TTL]
Outline
Outrun 2 SP SDX
OutRunners (Japan)
OutRunners (US)
OutRunners (World)
OutTrigger (JPN, USA, EXP, KOR, AUS)
Over Drive (set 1)
Over Drive (set 3)
Over Moon Pt3 (Bwb) (MPU4 Video)
Over Rev (Model 2B, Revision B)
Over Rev (Model 2C, Revision A)
Over The Moon (Barcrest) (MPU4) (set 1)
Over The Moon (Barcrest) (MPU4) (set 10)
Over The Moon (Barcrest) (MPU4) (set 11)
Over The Moon (Barcrest) (MPU4) (set 12)
Over The Moon (Barcrest) (MPU4) (set 13)
Over The Moon (Barcrest) (MPU4) (set 14)
Over The Moon (Barcrest) (MPU4) (set 15)
Over The Moon (Barcrest) (MPU4) (set 16)
Over The Moon (Barcrest) (MPU4) (set 17)
Over The Moon (Barcrest) (MPU4) (set 18)
Over The Moon (Barcrest) (MPU4) (set 19)
Over The Moon (Barcrest) (MPU4) (set 2)
Over The Moon (Barcrest) (MPU4) (set 20)
Over The Moon (Barcrest) (MPU4) (set 21)
Over The Moon (Barcrest) (MPU4) (set 22)
Over The Moon (Barcrest) (MPU4) (set 23)
Over The Moon (Barcrest) (MPU4) (set 24)
Over The Moon (Barcrest) (MPU4) (set 25)
Over The Moon (Barcrest) (MPU4) (set 26)
Over The Moon (Barcrest) (MPU4) (set 27)
Over The Moon (Barcrest) (MPU4) (set 28)
Over The Moon (Barcrest) (MPU4) (set 29)
Over The Moon (Barcrest) (MPU4) (set 3)
Over The Moon (Barcrest) (MPU4) (set 30)
Over The Moon (Barcrest) (MPU4) (set 31)
Over The Moon (Barcrest) (MPU4) (set 32)
Over The Moon (Barcrest) (MPU4) (set 33)
Over The Moon (Barcrest) (MPU4) (set 34)
Over The Moon (Barcrest) (MPU4) (set 35)
Over The Moon (Barcrest) (MPU4) (set 36)
Over The Moon (Barcrest) (MPU4) (set 4)
Over The Moon (Barcrest) (MPU4) (set 5)
Over The Moon (Barcrest) (MPU4) (set 6)
Over The Moon (Barcrest) (MPU4) (set 7)
Over The Moon (Barcrest) (MPU4) (set 8)
Over The Moon (Barcrest) (MPU4) (set 9)
Over The Moon (Maygay) (EPOCH) (1.2, set 1)
Over The Moon (Maygay) (EPOCH) (1.2, set 2)
Over The Moon Club (Maygay) (EPOCH) (set 1)
Over The Moon Club (Maygay) (EPOCH) (set 2)
Over The Rainbow (Astra, V102)
Over The Rainbow (Astra, V104)
Over The Rainbow (Bellfruit) (Scorpion 5) (set 1)
Over The Rainbow (Bellfruit) (Scorpion 5) (set 2)
Over The Rainbow (Bellfruit) (Scorpion 5) (set 3)
Over The Rainbow (Bellfruit) (Scorpion 5) (set 4)
Over The Rainbow (Bellfruit) (Scorpion 5) (set 5)
Over The Rainbow (Bellfruit) (Scorpion 5) (set 6)
Over The Top (Maygay) (M1A/B) (set 1)
Over The Top (Maygay) (M1A/B) (set 2)
Over Top
Overload (Barcrest) (MPU5) (set 1)
Overload (Barcrest) (MPU5) (set 2)
Overload (Barcrest) (MPU5) (set 3)
Overload (Barcrest) (MPU5) (set 4)
Oxo (JPM) (IMPACT) (set 1)
Oxo (JPM) (IMPACT) (set 2)
Oxo (JPM) (IMPACT) (set 3)
Oxo (JPM) (IMPACT) (set 4)
Oxo (JPM) (IMPACT) (set 5)
Oxo (JPM) (IMPACT) (set 6)
Oxo Bingo (JPM) (IMPACT) (set 1)
Oxo Bingo (JPM) (IMPACT) (set 2)
Oxo Bingo (JPM) (IMPACT) (set 3)
Oxo Bingo (JPM) (IMPACT) (set 4)
Oxo Bingo (JPM) (IMPACT) (set 5)
Oxo Bingo (JPM) (IMPACT) (set 6)
Oxo Bingo (JPM) (IMPACT) (set 7)
Oxo Classic Gold (Electrocoin) (?)
Oxo Club (Electrocoin) (?)
Oxo Golden Bars (Electrocoin) (?)
Oxo Reels (Electrocoin) (?)
Oxo Revolution (Electrocoin) (?)
Ozma Wars (set 1)
Ozma Wars (set 2)
Ozon I
Ozzie Ozzie Ozzie (Maygay) (EPOCH) ( .2, set 2)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (0.2, set 8)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (0.2, set 9)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (1.1, set 5)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (1.1, set 6)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (2.Z, set 1)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (2.Z, set 7)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (5.J, set 3)
Ozzie Ozzie Ozzie (Maygay) (EPOCH) (6.J, set 4)
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All (342)
USA (296)
Japan (26)
China (7)
Netherlands (6)
Germany (3)
Korea (2)
Russia (2)
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