Photograph a PP sticker.

Collect 1 Million Bolts

Use the Jump Kick to knock down 100 zombies.

Take a high PP value picture.

Defeat the Biobliterator to complete the game

Kill 20 Enemies with your Refractor Gadget on Aridia

Defeat Scorpio with only the wrench in Annihilation Nation

Infect 30 Enemies with the Infector Gadget on Mylon

Kill 40 Enemies with the Suck Cannon at the Crash Site

Collect all 101 Sewer Crystals on Aquatos

Get all Qwark Tokens (100%) on all Vid Comics

Destroy the Blimp flying around Metropolis

Hit the jackpot on a slot machine in Holostar Studios