Year Name Developer Machines
1980 Defender * '
Handheld / Electronic Game, Not Classified, Shooter / Flying Horizontal, | 2P alt, ???, Non-arcade, 		Williams a2600 a800 intv ti99_4 apfimag atom sorcerer mt65 vic1001 super80 a5200 advision c64 coleco cgenie mbee apple2e ibm5170 a500 gba mame
1981 Defender II - Stargate * '
Handheld / Electronic Game, Not Classified, Shooter / Flying, | 2P alt, ???, Non-arcade, 		Williams / Vid Kidz a2600 a800 a5200 apple2e nes a500 vgmplay mame
1991 Strike Force '
Not Classified, Shooter / Flying, | 2P sim, ???, 		Midway c64 mame
1996 Defender 2000 '
Shooter / Flying Horizontal, | 2P sim, 		Atari jaguar