| Sasuke vs. Commander | |
| Saturday Night Slam Masters (bootleg (with PIC16c57), 930713 etc) [Bootleg, No Sound] | |
| Saturday Night Slam Masters (Slam Masters 930713 etc) | |
| Saturday Night Slam Masters (slam masters 930713 USA) | |
| Saturn | |
| Saulabi Spirits / Jin Saulabi Tu Hon (Korean release of Samurai Shodown II, set 2) | |
| Saulabi Spirits / Jin Saulabi Tu Hon (Korean release of Samurai Shodown II) | |
| Sauro (bootleg) [Bootleg, Missing speech is normal] | |
| Sauro (Philko license) [Missing speech chip!] | |
| Sauro (Recreativos Real S.A. license) [Missing speech chip!] | |
| Sauro [Missing speech chip!] | |
| Savage Bees | |
| Savage Reign / Fu'un Mokushiroku - kakutou sousei | |
| Schmeiser Robo (Japan) | |
| Scion (Cinematronics) | |
| Scion [Music horribly broken, use scionc instead!] | |
| Scooter Shooter | |
| Scorpion (Moon Cresta hardware) | |
| Scorpion (set 1) [Incomplete Sound] | |
| Scorpion (set 2) [Incomplete Sound] | |
| Scorpion (set 3) [Incomplete Sound] | |
| Scramble | |
| Scramble (bootleg on Galaxian hardware) [Bootleg] | |
| Scramble (bootleg?) [Bootleg] | |
| Scramble (bootleg) [Bootleg] | |
| Scramble (Centromatic S.A., Spanish bootleg) [Bootleg] | |
| Scramble (Karateko, French bootleg) [Bootleg] | |
| Scramble (Petaco S.A., Spanish bootleg) [Bootleg] | |
| Scramble (Reben S.A. Spanish bootleg) [Bootleg] | |
| Scramble (Recreativos Franco, Spanish bootleg) [Bootleg] | |
| Scramble (Stern) | |
| Scrambled Egg | |
| SD Fighters (Korea) | |
| SD Gundam Neo Battling (Japan) | |
| SD Gundam Psycho Salamander no Kyoui | |
| SDI - Strategic Defense Initiative (bootleg, set 1) | |
| SDI - Strategic Defense Initiative (bootleg, set 2) | |
| SDI - Strategic Defense Initiative (bootleg, set 3) | |
| SDI - Strategic Defense Initiative (bootleg, set 4) | |
| SDI - Strategic Defense Initiative (bootleg, set 5) | |
| SDI - Strategic Defense Initiative (bootleg) | |
| SDI - Strategic Defense Initiative (Japan, newer, System 16A, FD1089B 317-0027) | |
| SDI - Strategic Defense Initiative (Japan, old, System 16A, FD1089B 317-0027) | |
| SDI - Strategic Defense Initiative (System 16B, FD1089A 317-0028) | |
| Search Eye | |
| Search Eye (English / Korean) | |
| Search Eye Plus V2.0 | |
| Secret Agent (Japan revision 2) | |
| Secret Agent (World) | |
| Section Z (set 1) | |