later released on Xbox Live Arcade. In October 2012, it was approved for distribution by Valve's Steam Greenlight program. As of January 17, 2013, the Steam version was patched so that no internet connection is required for single player, but still required for multiplayer and to access the editor. Non-Steam versions however, still require an active internet connection during installation and game play. Valid keys from other vendors can be registered on minerwars.com where a Steam key can then be generated at no extra cost . Source code In March 2013, the game's source code has been released for easier modding purposes only. Content and assets are still proprietary and commercially sold. Reception The game received mixed reviews from critics. The most negative review was published by Eurogamer which gave 3/10. Eurogamer criticised Keen Software House that they didn't keep promises to players. Another point of criticism was technical processing and story. The most positive review was published by Gamesite.Sk, which gave the game 77%. It praised the story, world, engine and co-op mode of the game. On the other hand it criticised that the engine wasn't used fully, there were bugs and that the game is sometimes stereotypical. References External links Full engine and game source code on GitHub 2012 video games Commercial video games with freely available source code Cooperative video games Indie video games Microsoft XNA games Open-world video games Steam Greenlight games Video games developed in the Czech Republic Windows games Windows-only games Xbox 360 games Xbox 360 Live Arcade games Zero-G shooters Science fiction video games Video games with 6 degrees of freedom Video games set in the 2080s