Invasion of the Body Snatchas!

is a 1983 horizontally scrolling shooter developed and published by Crystal Computing for the ZX Spectrum.

It is a clone of the 1981 arcade video game Defender.

would go on to be re-released as Blow-out in 1998 by MCM Software S.A.[1] Sinclair User reviewed the game in their magazine, "At last!

a version as fast and furious and as frustratingly addictive as the arcade original Landers, Mutants, Bombers, Pods, Swarmers and much much more combine to produce the ultimate space game!