 | Raiga - Strato Fighter (US) | 1991 | Tecmo | stratof | Shooter / Flying Horizontal | 8.98 |
| | Rail Chase (Japan) (clone of: rchase) | 1991 | Sega | rchasej | | 0.00 |
| | Rail Chase (World) | 1991 | Sega | rchase | Shooter / Gun | 7.33 |
| | Red Hot Roll (Barcrest) (MPU4) (RH8 0.1C) (clone of: m4rhr) | 1991 | Barcrest | m4rhr__a4 | | 0.00 |
 | Rezon | 1991 | Allumer | rezon | Shooter / Flying Horizontal | 8.00 |
 | Ribbit! | 1991 | Sega | ribbit | Maze | 6.00 |
 | Rim Rockin' Basketball (V1.2) (clone of: rimrockn) | 1991 | Strata/Incredible Technologies | rimrockn12 | | 0.00 |
| Rim Rockin' Basketball (V1.6) (clone of: rimrockn) | 1991 | Strata/Incredible Technologies | rimrockn16 | | 0.00 |
| Rim Rockin' Basketball (V2.0) (clone of: rimrockn) | 1991 | Strata/Incredible Technologies | rimrockn20 | | 0.00 |
| Rim Rockin' Basketball (V2.2) | 1991 | Strata/Incredible Technologies | rimrockn | Sports / Basketball | 4.67 |
 | Riot City (Japan) | 1991 | Sega / Westone | riotcity | Fighter / 2.5D | 6.33 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.1Y) (clone of: m4rhog) | 1991 | Barcrest | m4rhogr6y_a | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2) | 1991 | Barcrest | m4rhog | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2, hack?) (clone of: m4rhog) | 1991 | hack? | m4rhog_h13 | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2?, hack?) (clone of: m4rhog) | 1991 | hack? | m4rhog_h12 | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2AD) (clone of: m4rhog) | 1991 | Barcrest | m4rhogr6ad | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2B) (clone of: m4rhog) | 1991 | Barcrest | m4rhogr6b | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2C) (clone of: m4rhog) | 1991 | Barcrest | m4rhogr6c | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2C, hack?, set 1) (clone of: m4rhog) | 1991 | hack? | m4rhog_h14 | | 0.00 |
| | Road Hog (Barcrest) (MPU4) (RR6 1.2C, hack?, set 2) (clone of: m4rhog) | 1991 | hack? | m4rhog_h15 | | 0.00 |
