Alien- XAnagrammatic
- XAsset Stripper
Battleships- XBiorhythms
- XBricklayer
- XBridges
- XBulls and Cows
Championship Boxing- XCheshire Cat
- XChomper
- XChristmas Eve
- XCountabout
- XDam Eaters
Dambusters- XDrag Racer
- XDuel
- XEndings
- XEvolution 1
- XEvolution 2
- XEvolution 3
- XExocet
- XFall Guy
- XFives
- XFlying Geese
- XGalaxians
- XGiant Rats
- XGrand Prix
- XHangman
- XHeli-Bomber
- XHorse Race
- XInvaders
- XMinelay
- XMoonlander
- XMorse Tutor
Motocross
Mushroom Invasion- XNewmarket
- XNightfighter
- XNumbers
- XOXO
Picture Pairs- XPostman
- XRadiopower
- XRoots
- XRussian Roulette
- XScuba
- XSheepdog Trials
- XSolo Dogfight
- XSwordsman
