Best Open Source Games Like Roblox Top Sandbox & Crafting Games like Roblox

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 Novetus, Polytoria, Terasology and Minetest Game.

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Roblox alternatives are mainly Sandbox Games, but if you're looking for Crafting Games or Survival Games you can filter on that. Other popular filters include Multiplayer, Open Source, Free, Android Tablet, Crafting Game, Linux and Sandbox Games. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Roblox.
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Alternatives list

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

    53 VoxeLibre (formerly MineClone2) alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Minetest
     
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    2
    VoxeLibre (formerly MineClone2) vs Roblox Comments
    RemovedUser
    Positive
    0

    Alternative to roblox? MORE LIKE COPYCAT OF MINECRAFT

    Review by a new / low-activity user.
    Guest
    Negative
    0

    Roblox is a platform of games running on the same engine, not a Minecraft clone

    Review by a new / low-activity user.
    • VoxeLibre (formerly MineClone2) is Free and Open SourceRoblox is Freemium and Proprietary
  2. Novetus icon
     9 likes

    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.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Windows
    • Self-Hosted
    • Roblox
     
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    3
    Novetus vs Roblox Comments
    ump5
    Positive
    0

    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.

    Review by a new / low-activity user.
    pastrymale
    Positive
    0

    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.

    Guest
    Positive
    -3

    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.

    Review by a new / low-activity user.
    • Novetus is Free and Open SourceRoblox is Freemium and Proprietary
  3. Polytoria icon
     8 likes

    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.

    11 Polytoria alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flatpak
     
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    1
    Polytoria vs Roblox Comments
    joecraftgamer
    Positive
    1

    Polytoria is a great alternative to Roblox and is very similar to the early days of Roblox

    Review by a new / low-activity user.
    • Polytoria is Freemium and Open SourceRoblox is Freemium and Proprietary
  4. Terasology icon
     31 likes

    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.

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
     
  5. Minetest Game icon
     8 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • Minetest
     
  6. Manic Digger icon
     13 likes

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

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Windows
     
  7. s&box icon
     Like

    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.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Windows
     
  8. Infiniminer icon
     13 likes

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

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
     
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    1
    Infiniminer vs Roblox Comments
    Guest
    Negative
    1

    Not all games in roblox relate to the game "Infiniminer".

    Review by a new / low-activity user.
    • Infiniminer is Free and Open SourceRoblox is Freemium and Proprietary
  9. MAGE icon
     2 likes

    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!.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
     
  10. 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.

    .

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
     
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    1
    Golems Universal Constructor vs Roblox Comments
    Guest
    Positive
    0

    It isnt 100% similar but he uses the same controlls of construction on roblox!

    Review by a new / low-activity user.
    • Golems Universal Constructor is Free and Open SourceRoblox is Freemium and Proprietary
12 of 15 Roblox alternatives