| Game Name | System |
|---|
| REX 6000 | MAME |
| RISC 2500 | MAME |
| RM-380Z, COS 3.4D | MAME |
| RM-380Z, COS 3.4E | MAME |
| RM-380Z, COS 4.0B | MAME |
| ROLLing eX.tre.me | MAME |
| ROLM 9751 Model 10 | MAME |
| RPC 86 | MAME |
| RS 128 | MAME |
| Ra Sceptor (Russia) | MAME |
| Rabbit (Asia 3/6) | MAME |
| Rabbit Poker (Arizona Poker v1.1?) | MAME |
| Rabbit Printer (model OS-214) | MAME |
| Rabbit Punch (US) | MAME |
| Rabio Lepus (Japan) | MAME |
| Raccoon World | MAME |
| Race Drivin' (cockpit, British, rev 1) | MAME |
| Race Drivin' (cockpit, British, rev 4) | MAME |
| Race Drivin' (cockpit, British, rev 5) | MAME |
| Race Drivin' (cockpit, German, rev 2) | MAME |
| Race Drivin' (cockpit, German, rev 4) | MAME |
| Race Drivin' (cockpit, German, rev 5) | MAME |
| Race Drivin' (cockpit, rev 1) | MAME |
| Race Drivin' (cockpit, rev 2) | MAME |
| Race Drivin' (cockpit, rev 3) | MAME |
| Race Drivin' (cockpit, rev 4) | MAME |
| Race Drivin' (cockpit, rev 5) | MAME |
| Race Drivin' (compact, British, rev 4) | MAME |
| Race Drivin' (compact, British, rev 5) | MAME |
| Race Drivin' (compact, German, rev 4) | MAME |
| Race Drivin' (compact, German, rev 5) | MAME |
| Race Drivin' (compact, rev 1) | MAME |
| Race Drivin' (compact, rev 2) | MAME |
| Race Drivin' (compact, rev 4) | MAME |
| Race Drivin' (compact, rev 5) | MAME |
| Race Drivin' Panorama (prototype, rev 2.1) | MAME |
| Race On! (RO2 Ver. A) | MAME |
| Racin' Force (ver EAC) | MAME |
| Racin' Force (ver UAB) | MAME |
| Racing Beat (Japan) | MAME |
| Racing Beat (World) | MAME |
| Racing Hero (FD1094 317-0144) | MAME |
| Racing Hero (bootleg of FD1094 317-0144 set) | MAME |
| Racing Jam (JAC) | MAME |
| Racing Jam DX | MAME |
| Racing Jam: Chapter 2 (EAE) | MAME |
| Racing Jam: Chapter 2 (JAE) | MAME |
| Rack 'em Up (program code L) | MAME |
| Rack 'em Up! (Pinball) | MAME |
| Rack + Roll | MAME |
| Rack Em Up (Bwb) (MPU4) (set 1) | MAME |
| Rack Em Up (Bwb) (MPU4) (set 2) | MAME |
| Rack Em Up (Bwb) (MPU4) (set 3) | MAME |
| Rack Em Up (Bwb) (MPU4) (set 4) | MAME |
| Rack Em Up (Bwb) (MPU4) (set 5) | MAME |
| Rad Action / NinjaKun Ashura no Shou | MAME |
| Rad Mobile (US) | MAME |
| Rad Mobile (World) | MAME |
| Rad Racer (PlayChoice-10) | MAME |
| Rad Racer II (PlayChoice-10) | MAME |
| Rad Rally (Japan) | MAME |
| Rad Rally (US) | MAME |
| Rad Rally (World) | MAME |
| Radar Scope | MAME |
| Radar Scope (TRS01) | MAME |
| Radar Zone | MAME |
| Radar Zone (Rev.1) | MAME |
| Radar Zone (Tuni) | MAME |
| Radiant Silvergun (JUET 980523 V1.000) | MAME |
| Radical Radial (Japan) | MAME |
| Radical Radial (US) | MAME |
| Radical! (G-1) | MAME |
| Radical! (L-1) | MAME |
| Radical! (P-3) | MAME |
| Radikal Bikers (Version 2.02) | MAME |
| Radikal Bikers (Version 2.02, Atari license) | MAME |
| Radio Times (Bellfruit) (Cobra 3) | MAME |
| Radio-86RK | MAME |
| Radio-86RK (16K RAM) | MAME |
| Radio-86RK (4K ROM) | MAME |
| Radio-86RK (MS7007 16K RAM) | MAME |
| Radio-86RK (MS7007) | MAME |
| Radio-86RK (ROM-Disk) | MAME |
| Radio-86RK (ROM/RAM Disk) | MAME |
| Radio-99DM | MAME |
| Radionic | MAME |
| Radirgy (Japan) (GDL-0032) | MAME |
| Radirgy (Japan, Rev A) (GDL-0032A) | MAME |
| Radirgy Noa (Japan) | MAME |
| Rafflesia (315-5162) | MAME |
| Rage of the Dragons (NGH-2640?) | MAME |
| Rage of the Dragons (NGM-2640?) | MAME |
| Ragnagard / Shin-Oh-Ken | MAME |
| Rags To Riches (Project) (PROCONN) | MAME |
| Rags To Riches Club (Crystal) (MPU4) (set 1) | MAME |
| Rags To Riches Club (Crystal) (MPU4) (set 2) | MAME |
| Rags To Riches Club (Crystal) (MPU4) (set 3) | MAME |
| Rags To Riches Club (Crystal) (MPU4) (set 4) | MAME |
| Rags To Riches Club (Maygay) (EPOCH) (1.10, set 1) | MAME |
| Rags To Riches Club (Maygay) (EPOCH) (1.10, set 2) | MAME |
