Terraria is described as 'Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. The world is your canvas and the ground itself is your paint'. There are more than 50 games similar to Terraria for a variety of platforms, including Windows, Linux, Mac, Android and Steam. The best alternative is Starbound. It's not free, so if you're looking for a free alternative, you could try Creativerse or Veloren. Other Terraria like games are Don't Starve (Paid), Voxelands (Free, Open Source), OpenClonk (Free, Open Source) and The Blockheads (Free).
- Play as Wilson, an intrepid Gentleman Scientist who has been trapped by a demon and transported to a mysterious wilderness world. View 15 alternatives to Don't Starve
- Paid • Proprietary
- Chrome OS
- Android Tablet
Don't Starve vs TerrariaNot the same gameplay, but some things are similar.
- The Fun-Focused Free Software Voxel World Game. Voxelands is a sandbox construction game based on Minetest. View 64 alternatives to Voxelands
Official website no longer exists and last commit is from a March 2018. See https://gitlab.com/voxelands/voxelands/commits/next
- Free • Open Source
- Mythruna is a game under construction combining extensive world building, crafting, and sandbox elements with just a touch of role-playing. View 44 alternatives to Mythruna
The latest version is over 6 years old. See http://mythruna.com/download-now/20120627-release-notes/
- Free • Proprietary