Algodoo is described as 'Gives you the opportunity to play with physics. Use your own hands and simple drawing tools to design, construct and explore the world of physics' and is a Sandbox Game in the education & reference category. There are more than 10 alternatives to Algodoo for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best Algodoo alternative is Garry's Mod. It's not free, so if you're looking for a free alternative, you could try SimPhy or The Powder Toy. Other great apps like Algodoo are Physion, Crayon Physics Deluxe, Powder Game and iPhysics Sandbox.
A highly customisable virtual stressball and physics sandbox about mutilating ragdolls in various ways using an overwhelming amount of items and other tools.
Its where you can kill a doll and spawn things AND its a sandbox XD
Robots vs Magic has always been cool. Play as the awesome droids and take down that pesky wizard in this side defense game. Build and upgrade your army by collecting strategically placed crystals, but don't let the enemy get their hands on them!
Finland
EU
Algodoo is about physics in general, Mutilate-a-Doll 2 is obviously only about ragdoll physics