Unlock All Characters:
At the main menu, press and hold L+R, then press DOWN, DOWN, DOWN, DOWN.

Unlock All Parts:
At the main menu, press and hold L+R, then press LEFT, LEFT, LEFT, LEFT.

Unlock All Tracks:
At the main menu, press and hold L+R, then press UP, UP, UP, UP.

Unlock Everything:
At the main menu, hold L+R, then press RIGHT, RIGHT, RIGHT, RIGHT to unlock everything.

Infinite Combo Chain:
In any area where there's a hub with a grinder (Where you toss
Redmond in and pull the chain while he gets ground in the gears)
you can perform a very interesting glitch. Start attacking the side of the grinder until Redmond goes into
Hyper mode. Then stand in place as Redmond keeps hitting the
grinder. You will notice that the Hyper bar stays up at maximum
and your combo chain number increases. You can easily get a 1000+ hit combo in 3 minutes or so!

All Characters & FMV'smode:
make a new profile in Gameshow mode and name it DOUBLEDOUBLE

All Weapons & FMV's mode:
make a new profile in Gameshow mode and name it TIMEFORCHAOS

All Arenas, weapons, weapon sets & FMV's mode:
make a new profile in Gameshow mode and name it AROUNDDAWORLD

How to unlock Game Art:
Finish the game and view the credits in the theatre menu. After the credits stop some game art will be shown

Unlock all levels and all weapons:
All you have to do is beat the game because as you do all the challenges in each curtain level you unlock levels that you don't have and weapons that you don't have.

Bonus level:
After you rescue the baby, go to the area where the elephant has knocked down the
doors. To the left of the doors leading to the next part of the jungle is a water chute.
Jump into that water chute and go into the hole. You will reach a bonus level.
Near the end of the Act 1, Part 2, there is a well. Jump into it to get to the bonus
level.

Destroying enemies:
Most enemies can be destroyed with Gromit's hand to hand combat moves. Use them
instead of your weapons. You might need to stockpile ammunition for other tasks.

Octave Security puzzle:
When Wallace and Gromit get to the Octave Security in Act 4 Part 1 of the

Back Garden challenge:
In the Back Garden challenge, you must collect thirty rabbits. Once you get to number 29, the last rabbit is in the compost bin. Get Wallace near the compost bin. Then, press L1 to have Gromit call him. He will blast the lid off, but only briefly. Gromit must stand on the trap next to it, and be ready to catch the rabbit mid-air.

Level Select:
To unlock all levels, go to the main menu and input: X, X, X, X, B, B, B, B, Y, Y, Y, Y, X, B, Y.

More Boards:
To have each rider's second and third boards, enter this code at the main menu: UP, UP, LEFT, LEFT, RIGHT, RIGHT, DOWN, DOWN, UP, LEFT, RIGHT, DOWN, UP, LEFT, RIGHT, DOWN.

Unlock All Boarders:
To unlock all boarders in the game, rotate the right analog stick clockwise fifteen times at the main menu. Wake's up!

Unlock Boarder Movies:
To unlock each boarder's movie, complete the game with that character.

Unlock Credits:
To unlock the credits, beat the game once with any boarder.