Minecraft
Commercial
Minecraft is sandbox world building game currently owned by Microsoft.
Growtopia
Freemium
Growtopia is an experimental multiplayer creative sandbox game.
SurvivalCraft
Freemium
SurvivalCraft is a block terrain game where you are marooned on a deserted island and must survive on your own.
Compare Roblox with alternatives
Compare SurvivalCraft and Roblox and decide which is most suitable for you.