Grab on to what looks like a jet pack and it will take you on a very fast rope ride.
Skatopia: Easy Bomb Box mission
The easiest way to complete the Bomb Box mission in Skatopia is to Flip Trick onto one of the lower boxes and Caveman the rest in that row. Just jump from box to box after getting off your board, but make sure to do one row at a time.
Zoo level: Unlock aquarium
Jump on the house near the elephant then hop on the elephant's back. He will get mad and crush the aquarium door.
R/V halfpipe
To unlock the R/V halfpipe and that mission for your character, play as Jesse James and jump over three cars.
The Natas Spin
To do the Natas Spin, approach an object, such as a trash can, statue, or a pole, while standing on the board. Jump at it and press Triangle while holding R1.
Star Wars Kid Cameo
On the Boston level, turn left from where you first start. Go past the museum into an opening that looks like a typical apartment. Skate to the right of the door you can't go in, come down and skate up that ramp and, at the top of your jump, R2 to level out. You'll break through a glass window and find the Star Wars kid sitting there.
Infinite Rail/Lip balance
Enter the following at the cheat menu: straightedge.
Unlock Nigel Beaverhousen
Enter the following at the cheat menu: sellout.
Bead Madness
Throw a bead at any girl in New Orleans, and they'll pull up their shirt to reveal the word, censor.
Star Wars Kid Redux
The Star Wars Kid makes a second appearance in the final Classic level, Triangle. Grind the helicopter missiles in order to bust open two holes in the side of the mountain. There are three sets of windows showing aliens doing a variety of things including watching the Star Wars Kid demonstrate his ridiculous dance.
Unlock Natus Kaupas
Enter "oldskool" in the cheat code menu. Alternatly, sucessfully complete classic mode under the sick difficulty setting.