- XDonkey Kong Junior
- XEggmania
Enduro- Enduro
- XFantastic Voyage
- XFlash Gordon
- XFrankstein
- XFreeway
- XFrogger
- XFrost Byte
- XGrand Prix
- XGrand Prix
- XGremlins
- XHaunted House
- XInternational Soccer
- XJaw Breaker
- XJawbreaker
- XJew Breaker
- XJungle Hunt
Keystone
Keystone
Keystone Kapers- XLaser Gate
- XMegaMania
- XMissile Command
- XPac Man
- XPengo
- XPitfal!
- XPlanet Patrol
- XPrisão Mortal
- XR HERO
- XRiders of Lost Ark
- XRiver Raid
- XRiver Raid 2
- XRiver Raid III
- XRobot Tank
- XSeaquest
- XSoccer
- XSpace Invaders
- XSpace Invaders
- XSpider Fighter
- XSpider Man
- XTennis
- XTennis
- XThunder Ground
- XTowering Inferno
- XVideo Chess
- XVideo Chess
- XX-Man