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.




There are many alternatives to Roblox for Windows if you are looking for a replacement. The best Windows alternative is Garry's Mod. It's not free, so if you're looking for a free alternative, you could try VoxeLibre (formerly MineClone2) or Core Games. If that doesn't suit you, our users have ranked more than 50 alternatives to Roblox and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Roblox are LEGO Worlds, Terasology, Novetus 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.




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.


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.




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.




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!



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.




A multiplayer brick building game that gives you the tools to create and play, your way. Build and invent with your friends, or blow them to smithereens!




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.




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.