Brick-Force!

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

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.

The Fun-Focused Free Software Voxel World Game.

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!

OpenSpades is an open source OpenGL-based alternative game client by yvt that can be used to play on all AoS 0.75 and AoS 0.76 servers listed on BuildAndShoot.com. It's compatible with PySnip/pyspades and runs on Windows, Mac, and Linux.

Minecraft Clone to PSP

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

First Person Shooter! Dynamic cubic world where you can build and destroy things and ones. Modern, real prototype of weapons and other liquidating your different-colored enemies will vary your in-game possibilities. A lots of cool game-modes, where you can shoot, destroy, build your own map, be the last-man-standing against zombies in Zombie-Mode, or to arrange a massive tank battle in Tanks Mode. Every one can find stuff he addicted to in this game. Huge amount of maps, made by developers themselves and of course by community. Upgrade your weapon, your looking, and looking of your equipment, increase your in-game level, involve yourself in the game's worldwide ranking system with another players. Some of game-modes include up to 4 team at the same battle field. Clan tournaments where you gather with other clans to reach 1 goal - be a champion. »

SAY HELLO TO THE CREATIVE SHOOTER. CREATE YOUR BATTLEGROUND, DESTROY IT, THEN CREATE IT AGAIN. IT'S CONSTRUCTION, COMBAT AND CREATIVITY.

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

The website linked is not real page, just moddb page. Wikipedia says all official sites have been closed.This program is now available online for free at abandonia.com.

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.

Deepworld is a massively-multiplayer 2D crafting adventure game. Mine and craft your way through a persistent online universe where there's always something new to discover! Now available for Windows, iOS, and Mac, and coming soon to Android.