OpenBlox

In a nutshell, OpenBlox lets you build games with Lego bricks, physics, and a scripting language called Lua. Soon, you`ll be able to play your games with your friends across the Internet.Simple game developmentMake games easily with OpenBlox`s drag-and-drop game builder, BloxWorksCross-platform compatibilityWrite your game on Windows, Linux, or Mac OSX (possibly BSD); play it on the other twoEasy installationOpenBlox comes with a graphical installer - one-click installationFree as in freedom (and price)You`re free to download OpenBlox, modify it, and share it with whoever you wantPowerful scripting systemOpenBlox supports the Lua (lua.org) scripting language to make its games interactiveSeveral well-known, game-related users of Lua include World of Warcraft, FarCry, Garry`s Mod, Spring RTS, and Warhammer Online