Sandbox video game with a powerful physics engine
Free APK version of Garry's Mod, the Android sandbox physics game
s&box is a modern game engine, built on Valve's Source 2
Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.
Everything you need to build and deploy scalable realtime 3D apps
A real-time game development platform
Flex roguelike
A 3D vehicle physics programming project created by Mikko Oksalahti.
sandbox particle simulator that obeys schrödinger's equation
A physics sandbox
3D Interactive sandbox environment
Conquer the universes with Spaceships
Inventorque - Opensource 3D Inventor's Sandbox Game