Collect the following amount of Skill Points to unlock the following items:

Item	Amount of Skill Points
Big Head Ratchet	5
Ratchet in a Tux Skin	7
Big Head Clank	10
Mirrored Levels	12
NPCs Have Big Heads	15
Clown Suit	20
Enemies Have Big Heads	25
Beach Boy	30

Bonus Paint Jobs

Collect the following amount of Skill Points to unlock the following paint job:

Paint Job	Amount of Skill Points
Paint Jobs	3
Super Paint Jobs	10
Space Storm	10
Warp Streak	10
Supernova	10
Silent Strike	15
Solar Wind	15
Dark Nebula	15
Scoop Nose	18
Neutron Star	19
Star Traveler	19
Clowner	25
Lunar Eclipse	25
Insomniac Special	29
Plaidtastic	29
Prepster	29
Split Nose	29

Challenge Mode

Beat the game.

Mega Weapons

Buy the Mega Weapons upgrades from the Vendors.

Ultra Weapons

Upgrade from Mega Weapons.

Rejected Commercials

Get all the weapons and mods.

Sketchbook

Beat the game, enter Challenge Mode, and go to the Cinematic Menu.