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

Defcom 1 (1989)(Iber Soft)(es)(Side A)