The best open source alternative to Terraria is Veloren. If that doesn't suit you, our users have ranked more than 50 alternatives to Terraria and six of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Terraria are OpenClonk, Voxelands, Gnomescroll and Freeminer.
Veloren is a multiplayer voxel RPG written in Rust. It is inspired by games such as Cube World, Legend of Zelda: Breath of the Wild, Dwarf Fortress and Minecraft.
OpenClonk is a free multiplayer action game where you control clonks, small but witty and nimble humanoid beings. The game is mainly about mining, settling and fast-paced melees. OpenClonk is not just a game but also a versatile 2D game engine that allows the creation of...
The Fun-Focused Free Software Voxel World Game. Voxelands is a sandbox construction game based on Minetest.
Gnomescroll is a multiplayer survival RPG in surreal environments. Kill demons, raise puppies and collect rocks.
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