littleRunner is an open-source 2D Jump 'n' Run game written C#, licensed under GPL. You jump with the Tux throught the levels, always trying that no enemy catches you.
The integrated Level Editor allows you to create your own levels. If you want some special function in your level, you can make use of the Python Script-Engine included in the editor.
Download the current version at the game website: http://littlerunner.andihit.net
littleRunner is licensed under the GNU GPL Version 3.
http://littlerunner.andihit.net/doc/intro/intro.html#credits-special-thanks-to