Atmosphir (released in October 2008 for private beta) was a 3D adventure game for Mac, PC and Linux. It was based entirely on user-created levels and games. The game went under numerous updates and changes. It was reverse engineered to allow playing it again https://github.com/Troposphir
- Genre: Adventure, Puzzle, Third-person shooter
- Platform: Windows
- Website: onemoreblock.com/landing
