Tetrimus is described as 'free to play sandbox, where users can build their own games with friends and other users'. There are five games similar to Tetrimus for a variety of platforms, including Mac, Windows, Android Tablet, Android and Kindle Fire. The best alternative is Roblox, which is free. Other Tetrimus like games are Struckd - 3D Game Creator (Freemium), Oziverse (Free), Blockman Go Blocky Mods (Free) and The Roblox Browser (Paid).
Roblox allows you to create games, build whatever you want with lego-like bricks, play other games made by users of the community, and even participate in the economy by trading, selling, buying, and collecting items.
Struckd is the next-generation gaming platform for user created content where people of all ages come together to create, share and play games. Create your own games and play thousands of others. Download for Mobile & Desktop: www.struckd.com.
- Chat system: Blockman GO provides players with a rich chat interaction. Connect with your friends online using in-game chat features, private messages, and groups, sharing funny moments with them. ...