While playing the game, when you pass a red box and a locked door you'll see a monitor with several blinking lights on it. Look at the pattern the lights are blinking, that is the pattern you need to disarm the bomb. The bomb itself has three switches to push.
Chinese symbols puzzle
After you defeat the boss and get his key for the console you'll get the next puzzle to solve. There are 4 panels with chinese symbols on them, you have to get them in a certain order to unlock the case to get the computer disk. Look on the ledge you used to get into the room with the boss their are 4 chinese symbols above in what appear to be neon signs. Each lights up in a different order, left to right. Memorize that and use those four signals left to right on the console and you'll get the disc.
How to start the train
When you get access to the train on the wall you well see a panel with 3 rows of switches. You have to look to the right of the panel there is a sign, look at it. There is a series of numbers on the top right, copy it down but beware some of the two's look like Z's. Now go back to the panel. Copy what you wrote down start at the bottom row go all the way to the end and copy what you wrote backwards on the panel. If you do it right a green light will appear on that row.
Cheat codes
To enter these codes, choose Credits at the options screen. Then enter the following:
Orange switch - Red & Yellow wires
Purple switch - Red & Blue wires
Green switch - Yellow & Blue wires
Beat last boss with hana easy
All you have to do is stand right up aginst the flame on the right and the bosses attacks wont hit you. Then shoot the ghost thingies untill they leave the money then burn three of the bills to kill the boss.
Instant Puzzle Solution
Select "Credits" at the options screen then press L1, Triangle, Up, Down, Circle(2), Down(3), Up.
Rapid Fire
Select "Credits" at the options screen then press L1, Triangle, Up, Down, Circle(2), Up(3), Down.
Flat Mode
While the game is paused, press left, right, left, right, L2, R2, L2, R2, square. Now Spyro will be flat.