- XScreaming
- XSea Hawk
Seaquest- Seaquest
- XSkiing
- XSkiing
- XSmurf
- XSmurf
Snoopy and the Red Baron- Snoopy and the Red Baron
- XSoccer
- XSoccer
Solar Storm- XSpace Invaders
- XSpace Invaders
- XSpace Shuttle - A Journey into Space
- XSpacechase
Spider Fighter- XSpider Fighter
- XSpike's Peak
- XSpike's Peak
Stampede- XStampede
- XStar Trek - Strategic Operations Simulator
- XStar Trek - Strategic Operations Simulator
- XStar Voyager
- XStar Wars - Jedi Arena
- XStar Wars - Jedi Arena
- XStar Wars - The Empire Strikes Back
- XStar Wars - The Empire Strikes Back
- XStarMaster
- XStarMaster
- XStreet Racer
- XSubterranea
- XSubterranea
- XSuper Bird
- XSuper Breakout
- XSupercharger