Survive, farm, build, explore, play with friends, and do much more. Inspired by Minecraft, pushing beyond.




The best open source alternative to Roblox is VoxeLibre (formerly MineClone2). If that doesn't suit you, our users have ranked more than 50 alternatives to Roblox and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Roblox are Terasology, Polytoria, Novetus and Minetest Game.
Survive, farm, build, explore, play with friends, and do much more. Inspired by Minecraft, pushing beyond.




Terasology (started under the name Blockmania) is an open source project started by Benjamin “begla” Glatzel to research procedural terrain generation and efficient rendering techniques in Java using the LWJGL.


Polytoria is a free-to-play platform and website similar to Roblox. You can create levels, play levels, talk in a forum, customize your avatar and do many more activities.




Tired of the roblox tyranny and greed? The Novetus community game is the solution! Novetus was made to improve on RBXLegacy, with the addition of new features that enhance the launcher for mod development, player customization, and overall usability.




A basic game for Luanti (formerly Minetest) developed by the Minetest team, often referred to as "Vanilla Minetest". It includes mods for basic tools, nodes, & an API for player visuals.







S&box is a platform and game development toolkit developed by Facepunch studio powered by Source 2. Initially, the development was based on Unreal Engine 4, but as soon as Half-Life: Alyx came out, Facepunch immediately requested the engine branch of the newly-published game.




Manic Digger is an open-source implementation of block-building games, like the famous game Minecraft.








Infiniminer is a multiplayer block mining game with several different player classes to choose from.




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!.
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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Alternative to roblox? MORE LIKE COPYCAT OF MINECRAFT