Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.
Roblox - Reimagining the way people come together.
Minecraft - A block-building game that allows you to create and explore entire worlds from scratch.
Project Anarchy - Project Anarchy is a complete end to end game engine and state-of-the-art toolset for mobile.
Limon Engine - Limon is a multi platform 3D game engine mainly focusing on first person games.
Minetest - Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner...