Tony Hawk's Underground Cheats for GameBoy Advance

Hold Start + Select + A + B during game play....

To get up quicker, repeatedly tap A....

At the main menu, select "Options" and scroll down to find the "Cheats" option. There are fifteen cheats, but they are all off. To unlock the cheats, play as a pro in arcade mode. ...

Go to any level that has a halfpipe in it Unlock the area with the halfpipe in it Go to the half pipe. Ramp up and down the sides of the halfpipe to get a lot of speed and air. Next, ramp up a side of...

To get easy manual stats, get your manual stats to the highest level that you can get regularly. Than go to a place that has a long open straight-a-way. Line up pretty straight with the straight-a-way...

Get your manual stats high and do a manual while going slow. While doing the manual, keep tapping R. You will do pivots. When your manual balance gets close to the top or bottom, stop doing pivots and...

Go to Battery Park. Go to the last tree on the right. Grind the far east side of the planter from the bottom to the top. You will keep grinding, but stop in place (you do not have to balance). Hold A ...

To temporarily go very fast, get inside one of the flower boxes that have a tree in it. Circle around the small rim surrounding the tree. Finally, grind on it. You should go around it very fast....

Go to the very right as soon as you enter the stage and grind the sidewalk. When the sidewalk ends, jump and do a manual. Go straight, then jump back on to the other part of the sidewalk and do the sa...

Go to New Jersey. Unlock the drainage pools. Go into one of the pools. Go fast along the edge of the pool. Grind the edge. Do not hop while you are grinding and you will keep going around the pool. If...

Unlock the construction area then go to the fountain ride fountain and start grinding the edge. Try to stay on the white part of your grind balance meter. If you start to go out of control, jump off o...

Note: Make sure you have very high lip stats and lip transition tricks. When you enter the Slam City Jam competition, the game places you next to a quarterpipe with a pole on either side, and a wire w...