- XGalaxian
- XGorf
- XGran-Prix
- XH.E.R.O.
- XHe-Men
- XIce Hockey
- XJawbreaquer
- XJungle Hunt
- XKeystone Kappers
- XKrull
- XMASH
- XMegaMania
- XMontezuma's Revenge
- XMoon Patrol
- XMotorcross
- XPac Man
- XPhoenix
- XPitfall II
- XPlanet Patrol
- XPole Position
- XPopeye
- XReal Sports Tennis
- XReturn of Jedy
- XRiders of Lost Ark
River Raid
River Raid II- XRiver Raid III
- XRobot Tank
- XSeaquest
- XSkiing
- XSmurf
- XSnoopy
- XSpace Atack
- XSpace Invaders
- XSpace Tunnel
- XSpider Fighter
- XSubterrânea
- XSubterranea
- XSuper Soccer
- XSuper Tennis
- XTaz
- XTennis Real
- XThunderground
- XTime Pilot
- XVolleyball
- XX-Man
- XZaxxon