Garry's Mod is a Sandbox Game based around the idea of building. Unlike most other games there aren't any objectives - you can't lose and you definitely can't win. Doesn't work on MacOS 11.15 or higher.




Roblox is described as 'Online platform for 3D world building, avatar customization, multiplayer play, and user-generated game development with trading, achievements, and a virtual economy' and is a popular Sandbox Game in the games category. There are more than 50 games similar to Roblox for a variety of platforms, including Windows, Mac, Android, Linux and Web-based apps. The best Roblox alternative is Garry's Mod. It's not free, so if you're looking for a free alternative, you could try KoGaMa or VoxeLibre (formerly MineClone2). Other Roblox like games are LEGO Worlds, Core Games, Terasology and Yahaha.
Garry's Mod is a Sandbox Game based around the idea of building. Unlike most other games there aren't any objectives - you can't lose and you definitely can't win. Doesn't work on MacOS 11.15 or higher.




Play Free games created by the community in your browser, create Amazing multiplayer games together with your friends and share Games with friends, family, and the world.


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








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.

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.


YAHAHA is the best virtual platform to create and enjoy an immersive 3D interaction with friends. Invite your friends to play the featured game Hide And Seek with you. Then discover an infinite variety of games with new concepts that can lead you to new YAHAHA gaming clusters.




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.




Rec Room is the best place to build and play games together. Chat, hang out, explore MILLIONS of rooms, or build something new to share with us all! Join the club!.



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.




Blockland is an online multiplayer game where you build things with bricks. It's like playing with legos on the internet.




Play in unique, community-made game modes, create custom addons with Lua, and import assets from Unreal Engine 5. Host your own server and enjoy endless gaming possibilities with friends!



Uses the same programming language kinda (Lua) and with all the new updates on Roblox (r15 avatar, people importing meshes and cars) it really is the same especially for roleplay purposes.