- X8 in 1 - Planet Patrol / Soccer / Frankstein / Seaquest / Video Chess / Demon Attack / Space Invaders / Grand Prix
- XAdventure
- XAdventure of TRON
- XAir Raiders
- XAir Sea Battle
- XAsteroids
- XAtlantis
- XAtlantis
- XBarnstorming
- XBaseball
- XBaskett
- XBattle Zone
- XBeam Rider
- XBeamrider
- XBerzerk
- XBlack Pirate (The)
- XBlackjack
- XBlue Printe
- XBobby Is Go Home
- XBobbys Go Home
- XBowling
- XBoxing
- XBoxing (Boxe)
- XBreakout
Buck Rogers- XBump'n Jump
- XBump'n Jump
- XCasino
- XCentipede
- XChopp. Command
- XChopp. Command
- XCircus
- XCobra Strikes
- XComand Raid
- XComando Raid
- XCommand Raid
- XCommando Raid
- XCongo Bongo
- XCorredor Cósmico
- XCorredor Cósmico
- XCosmic Ark
- XCrack Pots
Crackpots- XCuster Revenge
- XDancin Plates
- XDeadly Duck
- XDecatlhon
Defender- XDemon Attack
- XDemon Attack