KoGaMa is a 3D cooperative building game developed by Multiverse ApS and published in 2011, in which users can play, share, and create games with ease. By creating terrain, building Models, and using game logic, users can create anything from an adventure game to a battle game. The game was published on September 17, 2011
No payment is required in order to create an account and play, though Gold or an Elite Subscription may be purchased in order to unlock exclusive content. No download is required to play. A Standalone Client is available for Windows computers and a Mobile App is available for Android devices.
Sign up and have fun! : https://www.kogama.com/games/