Avorion - Sci-Fi Space Sandbox: Explore, Build, Trade, Fight
The demo is based on a very early version of the game and lacks much of the content found in the full release.
The developers offer a free demo to test the game's atmosphere and basic features:
is a procedural space sandbox game where players build their own ships from blocks, explore a vast galaxy, and engage in trade or combat. While the full version is a paid title, a free demo is officially provided by the developer to allow players to experience core mechanics before purchasing. Free Download and Demo Information