Alien Swarm (1982)(Titan Programs)[16K]
Ground Force Zero (1982)(Titan Programs)[16K]
Ground Force Zero (1982)(Titan Programs)[a][16K]
Tetrapods – Star Swarm (1984)(Acornsoft)[SWARM Start]
Avenger (1982)(Abacus Programs)[a][16K]
Avenger (1982)(Abacus Programs)[16K]