supertuxproject.org
SuperTux | HomeBe aware of transaction fees. Review the donation. SuperTux is a free classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games covered under the GNU GPL. Nov 5, 2016. SuperTux 0.5.1. This is a bugfix release fixing some smaller problems that were reported after the release of 0.5.0. It mostly features changes to the behavior of the level editor, and adds some options that were missing but should have been included in the stable release 0.5.0. Please get in touch with us.
http://www.supertuxproject.org/