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 14 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Roblox are Novetus, Terasology, Minetest Game and AppleBlox.
Survive, farm, build, explore, play with friends, and do much more. Inspired by Minecraft, pushing beyond.
Roblox is a platform of games running on the same engine, not a Minecraft clone
Some users think VoxeLibre (formerly MineClone2) is a great Roblox alternative, some don't.
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.
This is literally roblox from 2007-2011, except it is open source and self hosted. While there are other old-roblox launchers, this has the most reputation.
Novetus is an open-source archive of early ROBLOX builds. You can insert rblx files and either try them by yourself or self-host a server to play it with others. If you want an alternative to ROBLOX, like the style of old ROBLOX, and don't like the alternatives on the market, then this is for you.
This is mainly a revival of old Roblox but it's perfect and very accurate, it has 2007-2011 but has 2013-2015 coming soon, can't wait.
Almost everyone thinks Novetus is a great Roblox alternative.
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.
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.
Manic Digger is an open-source implementation of block-building games, like the famous game Minecraft.
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.
Infiniminer is a multiplayer block mining game with several different player classes to choose from.
Not all games in roblox relate to the game "Infiniminer".
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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It isnt 100% similar but he uses the same controlls of construction on roblox!
The Fun-Focused Free Software Voxel World Game. Voxelands is a sandbox construction game based on Minetest.
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Alternative to roblox? MORE LIKE COPYCAT OF MINECRAFT