Alpha Runner:
http://steamoss.com/sharedfiles/filedetails/?id=474012736
Alpha Runner is a new challenging endless platform game.
Make your way across obstacles that get difficult as you progress through the game alone and get the highest score possible!
Or have a friend join you and see who can survive the longest!

Game is still in development! New content will be added as we go along!

Specs:

Windows/Mac/Linux
512MB RAM
128MB graphicscard