Iceberg Interactive announces Dark Matter is now available through digital distribution for Windows, OS X, and Linux, saying the game should be available at retail tomorrow in some territories. Here's word on the game:

Developed by InterWave Studios, Dark Matter takes gamers on a tactical 2D adventure set in space and filled with vicious alien enemies. The game is set in a derelict spaceship inundated by a sinister alien presence and infested with deadly parasites. As the Ensign, players must explore the adrift spaceship Endeavour through echoing, fetid hallways and facilities, scavenging for parts and blueprints, while expanding their arsenal and customizing their combat style against the intelligent and reactive enemies.