Get the following extras by earning the required number of Skill Points:
5: Big Head Ratchet
7: Rux Skin for Ratchet
10: Big Head Clank
12: Mirrored levels
15: Big Head NPCs
20: Clown Outfit
25: Big Head Enemies
30: Beach Boy
Unlock Snow Skin
Beat all levels of the Impossible Challenge (in the Arena) to unlock the snow skin.
Weapons For Free
Play with a memory card save from the original Ratchet and Clank in your PS2 and you'll automatically have all five weapons that both games share.
Challenge Mode
You will be able to play the game on challenge mode after beating it one time. Challenge mode ups the difficulty as well as providing a bolt multiplier to help you buy those hard-to-get weapons. You can also buy extra upgrades for most of the weapons in challenge mode.
See Jak II
When your in Megapolis, Go to Clank's apartment, Look where the couch and the chair is, Look right, and you will see Jak and Daxter.
