Complete Chapter 4: "Rendezvous with Fate"

Complete Chapter 3: "Return to the Megavents"

Complete any level with at least 80% Weapon Accuracy

Defeat the Mother Spinner in the single player Campaign.

Defeat the Kraken in the single player Campaign.

Defeat the Goliath in the single player Campaign.

Complete the game on the hardest difficulty setting

Kill 30 enemies with the Flamethrower

Find the Peng Treasure

Kill 30 enemies with the Ripper

Store 25 Items in Safe

Escape from a Lurker's grab attack 10 times