| Game Name | System |
|---|
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 AD) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 B) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 BD) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 C) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 D) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 K) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 KD) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 R) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 RD) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 Y) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0 YD) | MAME |
| Ready Steady Go (Barcrest) (type 2) (MPU4) (RGT 1.0) | MAME |
| Ready To Rock (Barcrest) (MPU5) (set 1) | MAME |
| Ready To Rock (Barcrest) (MPU5) (set 2) | MAME |
| Ready To Rock (Barcrest) (MPU5) (set 3) | MAME |
| Ready To Roll (Astra, V100, ) | MAME |
| Ready To Roll (Astra, V100, alt) | MAME |
| Ready To Roll (Astra, V101) | MAME |
| Ready To Roll (Astra, V101, alt 1) | MAME |
| Ready To Roll (Astra, V101, alt 2) | MAME |
| Ready To Roll (Astra, V101, alt 3) | MAME |
| Ready To Roll (Astra, V200) | MAME |
| Ready To Roll (Astra, V200, alt) | MAME |
| Ready To Roll (Astra, V202) | MAME |
| Ready To Roll (JPM) | MAME |
| Ready To Rumble (Crystal) (IMPACT) (set 1) | MAME |
| Ready To Rumble (Crystal) (IMPACT) (set 2) | MAME |
| Ready To Rumble (Crystal) (IMPACT) (set 3) | MAME |
| Ready To Rumble (Crystal) (IMPACT) (set 4) | MAME |
| Ready To Rumble (Crystal) (IMPACT) (set 5) | MAME |
| Ready To Rumble (Crystal) (IMPACT) (set 6) | MAME |
| Ready...Aim...Fire! | MAME |
| Reaktor (Track & Field conversion) | MAME |
| Real | MAME |
| Real Battle Mahjong King | MAME |
| Real Bout Fatal Fury / Real Bout Garou Densetsu (Korean release) | MAME |
| Real Bout Fatal Fury / Real Bout Garou Densetsu (NGM-095 ~ NGH-095) | MAME |
| Real Bout Fatal Fury / Real Bout Garou Densetsu (bug fix revision) | MAME |
| Real Bout Fatal Fury 2 - The Newcomers (Korean release) | MAME |
| Real Bout Fatal Fury 2 - The Newcomers / Real Bout Garou Densetsu 2 - The Newcomers (NGH-2400) | MAME |
| Real Bout Fatal Fury 2 - The Newcomers / Real Bout Garou Densetsu 2 - The Newcomers (NGM-2400) | MAME |
| Real Bout Fatal Fury Special / Real Bout Garou Densetsu Special | MAME |
| Real Bout Fatal Fury Special / Real Bout Garou Densetsu Special (Korean release) | MAME |
| Real Mahjong Gold Yumehai / Super Real Mahjong GOLD part.2 [BET] (Japan) | MAME |
| Real Mahjong Haihai (Japan) | MAME |
| Real Mahjong Haihai Jinji Idou Hen (Japan) | MAME |
| Real Mahjong Haihai Seichouhen (Japan) | MAME |
| Real Mahjong Haihai [BET] (Japan) | MAME |
| Real Puncher | MAME |
| Reality Tennis | MAME |
| Realvoice PC | MAME |
| Rebus | MAME |
| Recalhorn (Ver 1.42J 1994/5/11, prototype) | MAME |
| Record (Version 1) | MAME |
| Recordbreaker (World) | MAME |
| Red Alert | MAME |
| Red Alert (Barcrest) (MPU4) (set 1) | MAME |
| Red Alert (Barcrest) (MPU4) (set 10) | MAME |
| Red Alert (Barcrest) (MPU4) (set 11) | MAME |
| Red Alert (Barcrest) (MPU4) (set 12) | MAME |
| Red Alert (Barcrest) (MPU4) (set 13) | MAME |
| Red Alert (Barcrest) (MPU4) (set 14) | MAME |
| Red Alert (Barcrest) (MPU4) (set 15) | MAME |
| Red Alert (Barcrest) (MPU4) (set 16) | MAME |
| Red Alert (Barcrest) (MPU4) (set 17) | MAME |
| Red Alert (Barcrest) (MPU4) (set 18) | MAME |
| Red Alert (Barcrest) (MPU4) (set 5) | MAME |
| Red Alert (Barcrest) (MPU4) (set 6) | MAME |
| Red Alert (Barcrest) (MPU4) (set 7) | MAME |
| Red Alert (Barcrest) (MPU4) (set 8) | MAME |
| Red Alert (Barcrest) (MPU4) (set 9) | MAME |
| Red Alert (Crystal) (IMPACT) (set 1) | MAME |
| Red Alert (Crystal) (IMPACT) (set 2) | MAME |
| Red Alert (Dutch) (Bellfruit) (Scorpion 4) (set 1) | MAME |
| Red Alert (Dutch) (Bellfruit) (Scorpion 4) (set 2) | MAME |
| Red Alert (JPM) (IMPACT) (set 1) | MAME |
| Red Alert (JPM) (IMPACT) (set 2) | MAME |
| Red Alert (JPM) (IMPACT) (set 3) | MAME |
| Red Alert (JPM) (IMPACT) (set 4) | MAME |
| Red Alert (JPM) (IMPACT) (set 5) | MAME |
| Red Alert (JPM) [German] (IMPACT) | MAME |
| Red Alert Club (JPM) (IMPACT) (set 1) | MAME |
| Red Alert Club (JPM) (IMPACT) (set 2) | MAME |
| Red Alert Club (JPM) (IMPACT) (set 3) | MAME |
| Red Alert Club (JPM) (IMPACT) (set 4) | MAME |
| Red Alert Club (JPM) (IMPACT) (set 5) | MAME |
| Red Arrow (JPM) (IMPACT) (set 1) | MAME |
| Red Arrow (JPM) (IMPACT) (set 10) | MAME |
| Red Arrow (JPM) (IMPACT) (set 11) | MAME |
| Red Arrow (JPM) (IMPACT) (set 2) | MAME |
| Red Arrow (JPM) (IMPACT) (set 3) | MAME |
| Red Arrow (JPM) (IMPACT) (set 4) | MAME |
| Red Arrow (JPM) (IMPACT) (set 5) | MAME |
| Red Arrow (JPM) (IMPACT) (set 6) | MAME |
| Red Arrow (JPM) (IMPACT) (set 7) | MAME |
| Red Arrow (JPM) (IMPACT) (set 8) | MAME |
| Red Arrow (JPM) (IMPACT) (set 9) | MAME |
| Red Arrow (Whitbread / JPM) (IMPACT) | MAME |
| Red Bar (Electrocoin) (set 1) | MAME |
| Red Bar (Electrocoin) (set 10) | MAME |
