| S.P.Y. - Special Project Y (US ver. M) | |
| S.P.Y. - Special Project Y (World ver. N) | |
| S.R.D. Mission | |
| S.S. Mission | |
| S.V.G. - Spectral vs Generation (V100, Japan, Single PCB Version) | |
| S.V.G. - Spectral vs Generation (V200, China) | |
| Saboten Bombers (set 1) | |
| Saboten Bombers (set 2) | |
| Sadari | |
| Safari Rally (Japan) | |
| Safari Rally (World) | |
| Sai Yu Gou Ma Roku (Japan bootleg 1) [Bootleg, missing some sounds] | |
| Sai Yu Gou Ma Roku (Japan bootleg 2) [Bootleg] | |
| Sai Yu Gou Ma Roku (Japan) | |
| Saigo no Nindou (Japan) | |
| Saint Dragon (bootleg) | |
| Saint Dragon (set 1) | |
| Saint Dragon (set 2) | |
| Salamander (version D) | |
| Salamander (version J) | |
| Salamander 2 (ver JAA) | |
| Same! Same! Same! (2 player alternating ver.) [No sound] | |
| Same! Same! Same! [No sound] | |
| Same! Same! Same! NEW VER! (v1.00, hack by Trap15) | |
| Samurai Aces (World) | |
| Samurai Nihon-Ichi (bootleg, harder) [Bootleg] | |
| Samurai Nihon-Ichi (set 1) | |
| Samurai Nihon-Ichi (set 2) | |
| Samurai Shodown / Samurai Spirits (NGH-045) | |
| Samurai Shodown / Samurai Spirits (NGM-045, alternate board) | |
| Samurai Shodown / Samurai Spirits (NGM-045) | |
| Samurai Shodown II / Shin Samurai Spirits - Haohmaru jigokuhen (NGM-063)(NGH-063) | |
| Samurai Shodown II / Shin Samurai Spirits - Haohmaru jigokuhen (Special 2017, hack) [Hack] | |
| Samurai Shodown III / Samurai Spirits - Zankurou Musouken (NGH-087) | |
| Samurai Shodown III / Samurai Spirits - Zankurou Musouken (NGM-087) | |
| Samurai Shodown IV - Amakusa's Revenge / Samurai Spirits - Amakusa Kourin (NGM-222)(NGH-222) | |
| Samurai Shodown IV - Amakusa's Revenge / Samurai Spirits - Amakusa Kourin (Special 2017, hack) [Hack] | |
| Samurai Shodown V / Samurai Spirits Zero (bootleg) [Bootleg] | |
| Samurai Shodown V / Samurai Spirits Zero (hack of XBOX version) [Hack] | |
| Samurai Shodown V / Samurai Spirits Zero (NGH-2700) | |
| Samurai Shodown V / Samurai Spirits Zero (NGM-2700) | |
| Samurai Shodown V Special / Samurai Spirits Zero Special (NGH-2720) (1st release, censored) | |
| Samurai Shodown V Special / Samurai Spirits Zero | |
| Special (NGH-2720) (2nd release, less censored) | |
| Samurai Shodown V Special / Samurai Spirits Zero Special (NGM-2720) | |
| Sand Scorpion | |
| Sand Scorpion (Chinese Title Screen, Revised Hardware) | |
| Sand Scorpion (Earlier) | |
| Sangokushi II (921005 Asia) | |
| Sangokushi II (hack set 1, 921005 Asia) [Hack] | |
| Sangokushi II (hack set 2, 921005 Asia) [Hack] | |