- XAir-Sea Battle
- XBobby Is Going Home
- XDemon Attack
- XDonkey Kong
- XEnduro
- XFantastic Voyage
- XFast Food
- XFlash Gordon
- XFrogger
- XFutebol
- XGalaxian
- XJawbreaker
- XJungle Hunt
- XKeystone Kapers
- XKrull
- XLaser Gates
- XMines of Minos
- XMoon Patrol
- XMr. Postman
- XPitfal
- XPolaris
- XPole Position
- XRaiders of the Lost Ark
- XRealSports Volleyball
- XRiver Raid
- XSeaquest
- XSkiing
- XSmurf
- XSpace Shuttle
- XVanguard
- XVolleyball