Liberator was released in November 1982. The arcade game was not very popular and only 762 arcade machines were ever made. The intro price was $2,095.
Liberator is commonly described as the opposite of Missile Command. The objective of Missile Command is to defend your bases from a space-based attack. Liberator's objective is the exact opposite, destroy enemy bases as you orbit their planet.
Liberator features the character Commander Martin Champion of the Atari Force mini-comic books. This limited series was made by DC Comics for Atari and was packaged with certain science-fiction themed games for the Atari 2600 console, including "Star Raiders
" and "Defender
". The mini-comics span off into a full size Atari Force comic series and the Star Raiders graphic novel.
David Drake holds the official record for this game with 14,232,130 points.