To make life easier in this game press 'Pause' at the 'Main' menu and enter these cheat codes to enable the corresponding effect in the game.

Unlock Cheats:
Press Left, Up, O, Square, O, Right.

Unlock Everything:
Press Up, Left, Right, Down, O, Square.

Unlock Level Select:
Press Left, X, Square, X, O, Right.

Unlock ALL Weapons and Gadgets:
Press Right, O, Left, Square, Up, Down.

Unlock Imsomniac Muesum:
Press O, X, O, X, O, Left, X, O, X, O, Up.

Unlock Armour:
Press Square, Up, Down, Up, Left.

Unlock Bolts:
Press Up, Left, X, O, Right, Left.

Unlock ALL Skill Points:
Press Up, X, Up, Down, Left, Up, Down.

Unlock ALL Movies:
Press X, Up, Left, Down, Right.

Paint Jobs
Get skill points and visit Slim's.

Paint Jobs - 3 skill points

Super Paint Jobs - 10 skill points

Space storm - 10 skill points

Warp Streak - 10 skill points

Supernova - 10 skill points

Silent Strike - 15 skill points

Solar Wind - 15 skill points

Dark Nebula - 15 skill points

Scoop Nose 18 - skill points

Neutron Star - 19 skill points

Star Traveler - 19 skill points

Lunar Eclipse - 25 skill points

Clowner - 25 skill points

Plaidtastic - 29 skill points

Prepster - 29 skill points

Insomniac Special - 29 skill points

Split Nose - 29 skill points


Skill point cheats

Big Head Ratchet - 5 skill points

Ratchet in a Tux skin - 7 skill points

Big Head Clank - 10 Skill Points

Mirrored Levels - 12 Skill Points

NPCs have big heads - 15 Skill Points

Clown Suit - 20 Skill Points

Enemies have big heads - 25 Skill Points

Beach Boy - 30 Skill Points


Mega Weapons:
Buy from vendors in challenge mode, after getting a weapon's second form

Ultra Weapons:
Upgrade from Mega Weapons

Rejected Commercials:
Get all weapons and modifications

Most of Secrets Menu:
Play challenge mode

Rest of Secrets Menu:
See above, get all weapons second form+mods. Does not apply to Clank Zapper, Gagetron Weapons, R.Y.N.O forms

Challenge Mode
Completed the game once

Sketchbook:
Once you have beaten the game once enter Challenge mode and it is in the Cinematics menu

Endorsement Deals Get all weapons, mods, and upgrades


Random Stuff Menu
Check to see if you have completed the game by checking the following.

Clank's Day at Insomniac:
Get all weapons, mods, and upgrades

Endorsement Deals:
Get all weapons, mods, and upgrades

Paintings:
Unlock the Random Stuff Menu

Random Stuff Menu:
Enter Challenge Mode

Sheep Blasters:
Get all skill points

Space Invaders:
Unlock the Random Stuff Menu


Snow Skin
Beat all 60 levels of the Impossible Challenge in the Arena in the Megacorp Games