PonyBox
Box full of ponies
ToppleBit
Build computers out of falling dominoes!
ChemBox
A chemistry simulation game
Slime Sandbox
Play with Slime, Goop, Sludge, Ooze, and more in this physics-based sandbox
V O ID
overworld of T H E YV, N O NB, and F I NA
Join and Undermine
2D block-based mining - created for Wizard Jam 6
Minetest Big Pack
Minetest Big Pack - many mods and big maps
Wiggly Sim
Build, simulate, evolve and battle creatures! A physics based creature simulator.
Particle Soup
This particle sandbox is designed to be interactive and relaxing.
Shenanigans Multiplayer X
Do-random-crap-with-others - NOW ENCHANCED!
Stendhal MMORPG
Stendhal is a fun friendly and free multiplayer online adventure game with an old school feel.
Dune Odyssey
A mercenary must obtain the Water of Life. Based on Frank Herbert's Dune universe.
Colonizer MINI
Conquer the Milky Way with complex logistics and advanced technology.
Cool Forts Prevail
Cool Forts Prevail is a tactical first person shooter that is all about forts.
ZUISTEIN
I need coffe
Stick Figure Battle Simulator
2D active ragdoll physics battleground
Mini Solar System
Create and shape your own solar system. From the smallest asteroid to the largest star.
Wedgie Simulator
Sandbox game about mannequins, wedgies, making films, and role-playing.
Martian Mayhem
Survive and build on the red planet!
Martian Mayhem
Survive and build on the red planet!
Designa
An open source sandbox tower defense game.
Play With NPCs: The Sandbox
Sandbox
Spellcraft
A Turing complete magic system.