Galactic Attack (Dragon 32 Cassette 50 Game 2 – 1983 & 1984 versions)

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Galactic Attack (in the 1984 version at least) gives us the answer to the question “How Many Martians landing on earth would it take for the planet to be colonised?”. The answer is 10. Ten. Just Ten.

See the Commodore 64 version
See the Atari 8-bit version
See the Acorn Electron version
See the ZX81 Version