Blockscape!

Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner, Minecraft, and the like.

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. The engine uses a block-based voxel-like approach as seen in Minecraft. After proving itself as a solid tech demo begla was joined at first by Anton “small-jeeper” Kireev and Rasmus “Cervator” Praestholm and a full-fledged game concept was born.

ROBLOX is an online virtual playground and workshop - where kids of all ages can safely interact, create, have fun, and learn.

The Fun-Focused Free Software Voxel World Game.

Cube World is a 3D action RPG currently in development for PC. It features a huge procedurally generated world made up of cubes!It may look like another Minecraft clone but this is more down to exploration. Find roads leading to a village. Get quests and talk to NPC's. Its inspiration mainly comes off of Legend of Zelda, but open world.

Creativerse is a sandbox adventure game set in a beautiful yet treacherous world shrouded in mystery. Adventure solo or bring your friends, unearth secrets, and tame the land together!

Night is falling and your blockhead is freezing. You haven't yet made shelter and your campfire has gone out. All you have is a spade, some wood and a few sticks. You have only minutes before exhaustion hits. Do you create a bed, dig a cave or refuel your fire?

A completely clean-room implementation of Minecraft beta 1.7.3 (circa September 2011). No decompiled code has been used in the development of this software. This is an implementation - not a clone. TrueCraft is compatible with Minecraft beta 1.7.3 clients and servers.

Freeminer is a Minecraft-inspired sandbox game.

Minecraft Clone to PSP

Wurm Online is an independent, ground breaking MMO that allows players to dig, flatten, raise and shape the land and create the frontier world they live in.

Block Story combines a mineable blocky world pioneered by Infiniminer and made popular by Minecraft with exciting and addictive role playing.

Build your dream island in a 3D, blocky world! Play with friends in real-time!

FreeCraft is a free block building adventure game.Build and craft to survive. You are only limited by your imagination.Features:- Completely free!- Gorgeous 3D graphics. This is the most beautiful 3D block building game ever created- Zombie mode: Build a home to protect yourself against the zombies which come at nightIf you love classic block building such as Minecraft and Survivalcraft, you will love this next generation block craft game! We hope you enjoy our game.