- XAdventure
- XAlien
- XAmidar
- XArmor Ambush
- XBachelor Party
- XBackgammon
- XBasketball
- XBeany Bopper
- XBeat'Em & Eat'Em
- XBermuda Triangle
- XBerzerk
- XCasino
- XChina Syndrome
- XCoconuts
- XCosmic Ark
- XCosmic Creeps
- XCuster's Revenge
- XDonkey Kong
- XDragonfire
- XEarth Dies Screaming (The)
- XEggomania
- XEnduro
- XFrogger
- XFrostbite
- XGorf
- XHaunted House
- XJaw Breaker
- XKeystone Kapers
- XKing Kong
- XMaze Craze
- XMegaforce
- XMegaMania
- XMissle Command
- XMoon Patrol
- XMs. Pac-Man
- XOthello
- XPitfall
- XPlanet Patrol
- XQ*bert
- XQuadrun
- XReactor
- XRiver Raid
- XSeaquest
- XSkiing
- XSky Skipper
- XSpace Invaders
- XSpider Man
- XSuperbreakout
- XSuperman
- XTac Scan