 | Roc'n Rope | 1983 | Konami | rocnrope | Platform / Run Jump | 7.70 |
| Roc'n Rope (Kosuka) (clone of: rocnrope) | 1983 | Konami / Kosuka | rocnropek | | 0.00 |
| | Rock Duck (prototype?) | 1983 | Datel SAS | rockduck | | 0.00 |
 | Roller Aces (set 1) (clone of: fightrol) | 1983 | Kaneko (Williams license) | rollace | Fighter / Vertical | 0.00 |
| Roller Aces (set 2) (clone of: fightrol) | 1983 | Kaneko (Williams license) | rollace2 | Fighter / Vertical | 0.00 |
 | Rootin' Tootin' (DECO Cassette) (clone of: clapapa) | 1983 | Data East Corporation | clapapa2 | Maze | 0.00 |
| Rootin' Tootin' / La-Pa-Pa (DECO Cassette) | 1983 | Data East Corporation | clapapa | Maze | 8.00 |
| Ropeman (bootleg of Roc'n Rope) (clone of: rocnrope) | 1983 | bootleg | ropeman | | 0.00 |
| | Royal Flush Deluxe | 1983 | Gottlieb | rflshdlx | | 0.00 |
 | Rug Rats (clone of: wiping) | 1983 | Nichibutsu | rugrats | Maze / Digging | 0.00 |
| | Saturn | 1983 | Zilec Electronics / Jaleco | saturnzi | | 5.25 |
 | Scrambled Egg | 1983 | Technos Japan | scregg | Maze | 9.37 |
 | Screw Loose (prototype) | 1983 | Mylstar | screwloo | Shooter / Field | 0.00 |
 | Senjyo | 1983 | Tehkan | senjyo | Shooter / Command | 6.00 |
 | SF-X | 1983 | Nichibutsu | sfx | Shooter / Flying | 6.50 |
| | Sharp Shooter II | 1983 | Game Plan | sshootr2 | | 0.00 |
| | Silver Game | 1983 | | silverga | | 0.00 |
 | Sindbad Mystery | 1983 | Sega | sindbadm | Puzzle / Maze | 7.75 |
| | Skater (DECO Cassette, Japan) | 1983 | Data East Corporation | cskater | | 0.00 |
| Skelagon (clone of: sfx) | 1983 | Nichibutsu USA | skelagon | Unplayable | 0.00 |
