Dreadnaught Factor, The (1983) (Activision) .int
Dreadnaught Factor, The (1984)(Activision)[k-file]
Dreadnaught Factor, The (1983) (Atari)
Learning Fun I – Math Master Factor Fun (1987) (Intv Corp).int
Robot Rubble V3 (1983) (Activision) .int
Robot Rubble V2 (1983) (Activision).int