- Port the engine to SFML 2.x
- Enable VSync
- Clarify licensing and remove nonfree contents
- Add libre music by Alex Smith, Bart Kesley and Przemysław Sikorski
- Add libre sound effects by Obani
- Switch to CMake buildsystem
- Enable system-wide installation (for Linux packaging)
- Original version by Seby and Suiland, 2009.