| MAME ROMS: R |
|---|
| Title | Rate | Votes | Rating |
| Rettou Juudan Nekkyoku Janshi - Higashi Nippon Hen (Japan) | | 1 | 10.00 |
| Return of the Invaders | | 5 | 9.80 |
| Return of the Invaders (bootleg set 1) | | 4 | 9.75 |
| Return of the Invaders (bootleg set 2) | | 1 | 10.00 |
| Return of the Jedi | | 5 | 7.20 |
| Revenger | | 1 | 10.00 |
| Revolution X (Rev. 1.0 6/16/94) | | 6 | 8.17 |
Rezon  | | 0 | 0 |
| Rezon (Taito) | | 0 | 0 |
| Ribbit! | | 1 | 9.00 |
| Riddle of Pythagoras (Japan) | | 0 | 0 |
| Ridge Racer (Rev. RR1, Japan) | | 5 | 6.60 |
| Ridge Racer (Rev. RR2, World) | | 6 | 8.17 |
| Ridge Racer 2 (Rev. RRS1, Japan) | | 3 | 7.33 |
| Ridge Racer 2 (Rev. RRS1, Ver.B, Japan) | | 0 | 0 |
| Ridge Racer 2 (Rev. RRS2, US) | | 5 | 7.20 |
| Riding Fight (Ver 1.0A) | | 0 | 0 |
| Riding Fight (Ver 1.0J) | | 0 | 0 |
| Riding Fight (Ver 1.0O) | | 1 | 10.00 |
| Riding Hero (set 1) | | 3 | 5.67 |
| Riding Hero (set 2) | | 1 | 10.00 |
| Rim Rockin' Basketball (V1.2) | | 0 | 0 |
| Rim Rockin' Basketball (V1.6) | | 0 | 0 |
| Rim Rockin' Basketball (V2.0) | | 1 | 10.00 |
| Rim Rockin' Basketball (V2.2) | | 0 | 0 |
| Ring Fighter (set 1) | | 0 | 0 |
| Ring Fighter (set 2) | | 0 | 0 |
| Ring King (US set 1) | | 8 | 7.63 |
| Ring King (US set 2) | | 0 | 0 |
| Ring King (US set 3) | | 3 | 9.00 |
| Ring King (US, Woodplace license) | | 1 | 10.00 |
| Ring no Ohja (Japan 2 Players ver. N) | | 0 | 0 |
| Ring of Destruction: Slammasters II (Euro 940902) | | 4 | 7.25 |
| Ring Rage (Ver 2.3A 1992/08/09) | | 1 | 9.00 |
| Ring Rage (Ver 2.3J 1992/08/09) | | 0 | 0 |
| Ring Rage (Ver 2.3O 1992/08/09) | | 1 | 10.00 |
| Riot | | 1 | 7.00 |
| Riot City (Japan) | | 4 | 6.25 |
| Rip Cord | | 0 | 0 |
| Rip Off | | 0 | 0 |
|
| Risky Challenge | | 1 | 9.00 |
| Rival Schools (ASIA 971117) | | 17 | 7.71 |
| Rival Schools (USA 971117) | | 66 | 8.83 |
| River Patrol (bootleg) | | 2 | 8.50 |
| River Patrol (Orca) | | 1 | 1.00 |
| Road Blasters (cockpit, German, rev 1) | | 2 | 9.00 |
| Road Blasters (cockpit, rev 1) | | 4 | 8.25 |
| Road Blasters (cockpit, rev 2) | | 2 | 5.00 |
| Road Blasters (upright, German, rev 1) | | 1 | 7.00 |
| Road Blasters (upright, German, rev 2) | | 0 | 0 |
| Road Blasters (upright, German, rev 3) | | 0 | 0 |
| Road Blasters (upright, rev 1) | | 4 | 8.50 |
| Road Blasters (upright, rev 2) | | 1 | 9.00 |
| Road Blasters (upright, rev 3) | | 0 | 0 |
| Road Blasters (upright, rev 4) | | 2 | 5.50 |
| Road Burners | | 3 | 9.00 |
| Road Fighter (set 1) | | 6 | 9.33 |
| Road Fighter (set 2) | | 0 | 0 |
| Road Riot 4WD | | 0 | 0 |
| Road Riot's Revenge (prototype alt) | | 0 | 0 |
| Road Riot's Revenge (prototype) | | 0 | 0 |
| Road Runner (rev 1) | | 1 | 6.00 |
| Road Runner (rev 1+) | | 0 | 0 |
| Road Runner (rev 2) | | 2 | 7.00 |
| Roads Edge / Round Trip (rev.B) | | 0 | 0 |
| RoadWars (Arcadia, V 2.3) | | 1 | 5.00 |
| Robby Roto | | 1 | 7.00 |
| Robo Army (set 1) | | 4 | 9.75 |
| Robo Army (set 2) | | 3 | 8.67 |
| Robo Wres 2001 | | 0 | 0 |
| Robo Wres 2001 (bootleg) | | 0 | 0 |
| Robocop (Japan) | | 9 | 7.67 |
| Robocop (US revision 0) | | 3 | 7.33 |
| Robocop (US revision 1) | | 8 | 8.63 |
| Robocop (World bootleg) | | 0 | 0 |
| Robocop (World revision 3) | | 0 | 0 |
| Robocop (World revision 4) | | 12 | 8.92 |
| Robocop 2 (Euro/Asia v0.10) | | 10 | 8.30 |
| Robocop 2 (Japan v0.11) | | 6 | 9.67 |
| Robocop 2 (US v0.05) | | 9 | 7.56 |
