- XFox & Pig
- XFree Way
- XFrog Man
- XFrogger
- XGlutton
- XGrand Prix
- XGrand Prix
- XHey! Stop!
- XHili Ball
- XIce Hockey
- XIron Eagle
- XKarate
- XKeystone Kapers
- XKing Arthur
- XKing Kong
- XLaser Blast
- XLily Adventure
- XLittle Bear
- XMafia
- XMafia
- XMariana
- XMegaMania
- XMiki Dog
- XMissile Attack
- XMission 3000 A D
- XModern Knight
- XMole Hunter
- XMotocross
- XMotor Cross
- XMr. Postman
- XMr. Postman
- XMy Way
- XNiky Wanders
- XNormandy Landing
- XOpen Sesame
- XOpen Sesame
- XOutlaw
- XPac Man
- XPac-Kong
- XPac-Man
- XPanda
- XPanda (Quest)
- XParis Attack
- XPelé's Soccer
- XPinball
- XPit Fall
- XPitfall
- XPitfall!
- XPopeye
- XPuzzled World