Tony Hawk's Pro Skater 4 - Mac Get through 9 levels of amateur skating competitions to become a pro -- if you can beat all the wild challenges in front of you Choose to race as a Professional street or vert skater like Steve Coballero, Bam Margera, and Bucky Lasek The new non-linear skating mode lets users choose the levels & goals they want Randomize and change lines by toggling obstacles on and off -- you can add or remove quarterpipes, benches, kickers and more New Skatepark Editor features new user-set objectives like high scores, hidden tapes, and combo completion