Beamrider
The game was ported to the Atari 2600 ( with a slightly reduced feature set ) , Atari 5200 , Atari 8-bit family , ColecoVision , Commodore 64 , ZX Spectrum , and MSX . 
<triplet> Atari 2600 <subj> Atari 5200 <obj> followed by <triplet> Atari 5200 <subj> Atari 2600 <obj> follows