Sites and apps similar to RobloxCritic include Garry's Mod. It's paid, but VoxeLibre (formerly MineClone2) and Terasology are free. Other options are Roblox, LEGO Worlds, Minetest Game and Polytoria. You're spoiled for choice with Sandbox Games like RobloxCritic: we list more than 25 alternatives for Windows, Mac, Android, Linux and iPhone.
Core is an endless universe of games and worlds designed by a global community of creators. It's a radically accessible game construction kit, content exchange, and game-playing platform, all in one.
United States
The Fun-Focused Free Software Voxel World Game. Voxelands is a sandbox construction game based on Minetest.
Sky Nations is a multiplayer sandbox game where players can join together to build air ships(cannons and all!) and do battle across a vast world procedural world full of relics and machines from an ancient world waiting to be plundered by daring sky captains and their motley...
Use guns, tanks, and even shovels to kill your enemy in different game-modes. Use your bricks to build shelters, walls, and stairways, or you can use your shovel or other tool to dig your way into enemy territory.
Golems Universal Constructor or Golems is a 3D recreational physics simulator.
Build robots, spaceships, clocks, catapults or cannons.
Add sensors, timers, switches, motors. Give it a brain. Make a mouse trap - or make a mouse.
Take the wheel and pilot your machine yourself.
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Lego Universe was a massively multiplayer online game and was available from October 2010 to February 2012. Players from around the world build and fight against the Maelstrom and its minions. The player travelled to various themed worlds.
Sploder is an online game creator. Create fun games that you can publish to the net and email to friends.
MAGE stands for MAKE A GAME EXPERIENCE
The goal for MAGE is to make it as easy as possible for people to create their own 3D universes, adventures and stories. PLAY WHILE YOU CREATE!.
Growtopia is a multiplayer sandbox platformer with crafting. There are an infinite number of worlds where you can create with friends. Everything in the world can be grown from trees. Discover new items by mixing the seeds of trees you already have.
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