Street Sesh:

The definitive online skating game, Street Sesh is an awesome skater game filled with 3d graphics and killer tricks and stunts. Guide your skater through the course doing as many tricks as you can along the way. Use the handy ramps to jump over busses and cars along the course, and if you hit x while in midair you will do a cool 360. See if you can land a cool trick like that! Lots of cool areas to do jump tricks and grind tricks in this killer skaiting game. Skate on!