Manic Digger is an open-source implementation of block-building games as made famous by Minecraft. Manic Digger aims to be a generic platform ontop of which you can create your own game-types and scenerios. Through server-side scripting, any type of block-building game should be possible.
The Latest version available as of 14th Jan 2011, this is the latest version released by exe
Includes optimisations for speed and some bug squashing some textures have been altered for better performance speeds
Mine carts are still not working (feel free to have a look at the code if you think you can get them working again)
not backward compatible.
on-line multi player must be 'same version'