Manic Digger is an open-source implementation of block-building games as made famous by Minecraft. Manic Digger started as a third-party client for Minecraft Classic but that compatibility was removed. Manic Digger is a free sandbox game in which you build using square blocks made of varying elements and materials. You can build anything you can imagine using the default blocks Manic Digger offers.
This project is not finished and only partially playable and generally in an early development stage. Because of the promising nature of the project it is listed here.
Minimum system requirements: