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Make your own numberblock!

Vehicle simulator with soft body physics

Very easy little puzzle/factory game

Some 4-dimensional scenes you can move and rotate in, rendered to a 3-dimensional viewport using perspective projection.

Raft meets Besiege in (2D) space

Cute Pixel-Art Sandbox

Spaceship builder prototype

draw with random shapes

have fun making cubes

Create your own Sandbox game that runs by your own rules!

Teach AI to drive, one crash at a time. Evolve, upgrade, and turn failure into progress.

Play with Slime, Goop, Sludge, Ooze, and more in this physics-based sandbox

Alchemy Simulator

Entry for LudumDare (45) Game Jam. Theme: Start with nothing

Dive into binary logic and build your own circuits

Idle sky island sandbox

gmod-like top-down 2d sandbox game

a 2D rocket-building space sandbox

Pausable RTS with modular tri-grid units