Electra 9000 – Lunar Attack Vehicle (1987)(Alternative Software)(Side B)[aka Lunar Attack]
Electra 9000 – Lunar Attack Vehicle (1987)(Alternative Software)(Side A)[aka Lunar Attack]
Electra 9000 – Lunar Attack Vehicle (1987)(System 4)[re-release][aka Lunar Attack]
Defender (Dor-x) (Defender Hack)
Lunar Outpost (19xx)(Epyx)
Cosmic Defender (19xx)(Analog)