Defence Com (1983)(J.W.)[DEFCOM Start]
City Defence (1982)(Bug Byte)[a][DEFENCE Start]
City Defence (1982)(Bug Byte)[DEFENCE Start]
City Defence (1982)(Bug Byte)[h TSTH][bootfile]
Defcom (1988)(Zafiro Software Division)(Side A)[re-release]
Defcom 1 (1989)(Iber Soft)(es)(Side A)