- XDefender
Demon Attack- XDonkey Kong
- XDragonfire
- XDragster
- XE.T.
Enduro- XFathon
- XFishing Derby
- XFlash Gordon
- XFootball
- XFreeway
- XFrogger
- XFrost Byte
- XGalaxian
- XGrand Prix
- XHERO
- XJaubreaker
- XJoust
- XJungle Hunt
- XKangoroo
- XKeystone Kapers
- XKrull
- XLady in Wading
- XLaser Blast
- XLaser Gate
- XM.A.S.H.
- XMegaMania
- XMikey
- XMissile Command
- XMoon Patrol
- XMouse Trap
- XMr. Postman
- XMs. Pac Man
- XPac-Man
- XPegasus
- XPhoenix
- XPinball
Pitfall
Planet Patrol- XPlaque Attack
- XPole Position
- XPressure Cooker
River Raid- XRiver Raid II
- XRiver Raid III
- XRiver Raid IV
- XSea Quest
- XSmurf
- XSnoopy