Zaxxon
Licensed by Sega
Game origin: 3rd party
Zoo Fun
PAL-only
Words-Attack
It’s a prototype.
X-Man
Adult-themed game unrelated to the X-Men.
Vulture Attack
This is K-Tel Vision’s release of Ultravision’s Condor Attack game program
Walker
Other names: Guignol, Schussel der Polizistenschreck