| Game Name | System |
|---|
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 14) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 2) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 3) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 4) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 5) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 6) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 7) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 8) | MAME |
| Robotica / Dream Machine (Avantime?) (MPU4) (Ukraine, set 9) | MAME |
| Robotron PC-1715 | MAME |
| Robotron PC-1715 (latin/cyrillic) | MAME |
| Robotron PC-1715W | MAME |
| Robotron: 2084 (1987 'shot-in-the-corner' bugfix) | MAME |
| Robotron: 2084 (2012 'wave 201 start' hack) | MAME |
| Robotron: 2084 (2015 'tie-die V2' hack) | MAME |
| Robotron: 2084 (Solid Blue label) | MAME |
| Robotron: 2084 (Yellow/Orange label) | MAME |
| Roc'n Rope | MAME |
| Roc'n Rope (Kosuka) | MAME |
| Rock | MAME |
| Rock 'n' Roll (Qps) (set 1) | MAME |
| Rock 'n' Roll (Qps) (set 2) | MAME |
| Rock 'n' Roll (Qps) (set 3) | MAME |
| Rock 'n' Roll (Qps) (set 4) | MAME |
| Rock 'n' Roll (Qps) (set 5) | MAME |
| Rock 'n' Roll (Qps) (set 6) | MAME |
| Rock 'n' Roll (Qps) (set 7) | MAME |
| Rock 'n' Roll (Qps) (set 8) | MAME |
| Rock 'n' Roll (Union - Empire) (MPU4, set 1) | MAME |
| Rock 'n' Roll (Union - Empire) (MPU4, set 2) | MAME |
| Rock 'n' Roll (Union - Empire) (MPU4, set 3) | MAME |
| Rock (German) | MAME |
| Rock 2500 | MAME |
| Rock Climber | MAME |
| Rock Climber (040815 World) | MAME |
| Rock Climber (040827 World) | MAME |
| Rock Climber (070322 Russia) | MAME |
| Rock Climber (070621 Russia) | MAME |
| Rock Climber (090716 Entertainment) | MAME |
| Rock Climber (bootleg, 040827, LOTOS SK01) | MAME |
| Rock Climber (bootleg, 040827, LOTTOGAME (I)) | MAME |
| Rock Climber (bootleg, 040827, VIDEO GAME-1 SK01) | MAME |
| Rock Climber (bootleg, 040827, backdoor) | MAME |
| Rock Climber (bootleg, 040827, new service menu) | MAME |
| Rock Duck (prototype?) | MAME |
| Rock Encore | MAME |
| Rock Encore (German) | MAME |
| Rock Pile (Pcp) (MPU3) | MAME |
| Rock Tris | MAME |
| Rock'n 3 (Japan) | MAME |
| Rock'n 4 (Japan, prototype) | MAME |
| Rock'n MegaSession (Japan) | MAME |
| Rock'n Rage (World) | MAME |
| Rock'n Rage (prototype?) | MAME |
| Rock'n Tread (Japan) | MAME |
| Rock'n Tread (Japan, alternate) | MAME |
| Rock'n Tread 2 (Japan) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 AD) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 B) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 BD) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 C) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 D) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 K) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 KD) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 R) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 RD) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 Y) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6 YD) | MAME |
| Rocket Money (Barcrest) (MPU4) (ROK 0.6) | MAME |
| Rocket Pinball | MAME |
| Rocket Science (011) (Qps) (Scorpion 4) (set 1) | MAME |
| Rocket Science (011) (Qps) (Scorpion 4) (set 2) | MAME |
| Rocket Science (V1.1) (Qps) (Scorpion 4) (set 1) | MAME |
| Rocket Science (V1.1) (Qps) (Scorpion 4) (set 2) | MAME |
| Rockin' Kats (PlayChoice-10) | MAME |
| Rockman 2: The Power Fighters (Japan 960708) | MAME |
| Rockman: The Power Battle (CPS1, Japan 950922) | MAME |
| Rockman: The Power Battle (CPS2, Japan 950922) | MAME |
| Rocky | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__2.0, hack) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__3.0 YC, hack) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0 D) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0 K) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0 KD) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0 Y) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0 YD) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0 YK) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0 YKD) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__4.0) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__6.0 K) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__6.0 YD) | MAME |
| Rocky Horror Show (Barcrest) (MPU4) (RH__6.0) | MAME |
| Rod-Land (Japan bootleg) | MAME |
| Rod-Land (Japan) | MAME |
| Rod-Land (World) | MAME |
| Rogan Dosh (Qps) (Scorpion 4) (set 1) | MAME |
| Rogan Dosh (Qps) (Scorpion 4) (set 2) | MAME |
| Rogan Dosh (Qps) (Scorpion 4) (set 3) | MAME |
| Rogan Dosh (Qps) (Scorpion 4) (set 4) | MAME |
| Rogan Dosh (v1.6) (Qps) (Scorpion 4) | MAME |
