Atmosphir Launcher (Mac) file

Atmosphir is a free 3D adventure hybrid game and design tool for Mac and PC. Originally created in 2009 by Minor Studios and shut down in 2012, it has been unofficially revived by its community at OneMoreBlock through an open source project called Troposphir. Now with a new custom server for sharing levels and in-game multiplayer, users can continue to solve puzzles, jump through obstacles, fight enemies, and collect secret treasures in thousands of unique user-created levels, whether solo or with a friend. Since we've gotten all the major functionality back, we're in search of more creative individuals to participate in our friendly community and design some more amazing levels on top of a great catalog of pre-existing ones.