X-Moto (<1Mb)
X-Moto is a challenging open-source 2D motocross platform game where realistic physics effects play an all important role in the gameplay.
You need to take your bike to its limits to make it over the obstacles to become one of the fastest finishers and progress a level....
You can find a little more information by looking at the Wikipedia entry HERE
I've posted several images and videos below. These should give you a good idea as to what to expect from this game.
Video:
http://www.youtube.com/watch?v=98NWkR7RsFA
http://www.youtube.com/watch?v=HP8heFTUXsU
http://www.youtube.com/watch?v=UKufx_mBjqQ
http://www.youtube.com/watch?v=KIS6kyhtPB0 (Pro Players)
http://www.youtube.com/watch?v=rQMFMXPJY74 (A Legend)
http://www.youtube.com/watch?v=jQzK4myuVSM (hardest level)
http://www.youtube.com/watch?v=kBQP5-QhLdE (Tricks)
http://www.youtube.com/watch?v=0soPllOr9WM (Elite: The Way of God)
http://www.youtube.com/watch?v=iAugO6DPxTc (Some nice WR)
http://www.youtube.com/watch?v=hIahWc4TICI (My hardest X-Moto Level)
Download:
http://x-moto.en.softonic.com/
or
http://xmoto.tuxfamily.org/ (several different platforms available)