Jak 2 Hint: Sealpiece Escape: Turn into Dark Jak. Jump into the water using darkbomb to kill the machine that shoots you. Toggle Jak's Goatee cheat: You need to collect 5 orbs during game play. Mirror World cheat: You need to collect 15 orbs during game play. Big head mode cheat: You need to collect 30 orbs during game play. Small Head Mode cheat: You need to collect 45 orbs during game play. Scrap Book cheat: You need to collect 55 orbs during game play. Scene Player Act 1 cheat: You need to collect 65 orbs during game play. Vulcan Fury Course cheat: You need to collect 75 orbs during game play. Scene Player Act 2 cheat: You need to collect 95 orbs during game play. Peace Maker Gun Course cheat: You need to collect 105 orbs during game play. Scene Player Act 3 cheat: You need to collect 125 orbs during game play. Reverse Races cheat: You need to collect 135 orbs during game play. Level Select cheat: You need to collect 145 orbs during game play. Unlimited Ammo cheat: You need to collect 155 orbs during game play. Unlimited Dark Jak cheat: You need to collect 165 orbs during game play. Invulnerability cheat: You need to collect 175 orbs during game play.