- XGrand Prix
- XGrand Prix
- XGremlins
- XGremlins
- XH.E.R.O.
- XH.E.R.O.
Ice Hockey- XIce Hockey
- XInfiltrate
- XInfiltrate
- XJames Bond 007
- XJawbreaker
- XJawbreaker
- XJoust
- XJungle Hunt
- XJungle Hunt
Kaboom!- XKaboom!
- XKangaroo
- XKangaroo
Keystone Kapers- Keystone Kapers
- XKrull
- XKrull
- XLaser Blast
- XLaser Gates
- XLaser Gates
- XMarauder
- XMario Brothers
- XMegaMania
- XMegaMania
- XMiner 2049er
- XMiner 2049er Volume II
- XMissile Command
- XMontezuma's Revenge
Moon Patrol- Moon Patrol
- XMoonsweeper
- XMoonsweeper
- XMotocross
- XMouse Trap
- XMouse Trap
- XMr. Do!
- XMs. Pac-Man
- XMs. Pac-Man
- XNight Driver
- XNo Escape!
- XOink!
- XOthello
- XPac-Man