Minetest-c55 is one of the first InfiniMiner/Minecraft(/whatever) inspired games (started October 2010), with a goal of taking the survival multiplayer gameplay to a slightly different direction.
Changes:
9222011 updated minetest client (added features like lava/ladders and new storage format)
1.8SVN updated Irrlicht engine from Cloudef with some optimisations.(and bugs to work out)
http://repo.openpandora.org/?page=detail&app=minetest-minetest-16537