The complete game, including all recent updates like v2.3.1, is primarily available through the Avorion Steam page . Key Features of Version 2.3.1
The developers offer a free demo to test the game's atmosphere and basic features: Avorion Free Download (v2.3.1)
The demo is based on a very early version of the game and lacks much of the content found in the full release. The complete game, including all recent updates like v2