“The Spiral Knights have awoken on an alien world. Their equipment stores have been raided and their starship, The Skylark, will not recover from the crash. Now they must work together to survive on a journey that will take them to the very core of the world.”

Website: http://www.spiralknights.com

You will need Java. The local *.bin installation (for local install) is located on the play page @ the bottom.