Defender

Game description here...
Amiga
Apple II
Arcade
Atari 2600
Atari 5200
Atari 8-Bit
Colecovision
Commodore 64 (C64)
Commodore VIC-20
Intellivision
Nintendo Game Boy
Nintendo Game Boy Advance
Nintendo Game Boy Color
PC
Sinclair ZX Spectrum
TI 99/4A