Win every race with a "Gold" rank to get a 100% game completion. Hero mode will now be unlocked for purchase at the Secrets Shop for 50,000 Orbs.
Jak 2
Visit the Secrets Shop. Then select the Scan for Secret Characters option. Have Jak 2 saved on your memory card you're using and this should unlock the character.
Jak 3
Visit the Secrets Shop. Then select the Scan for Secret Characters option. Have Jak 3 saved on your memory card you're using and this should unlock the character.
Jak from Jak and Daxrer
Visit the Secrets Shop. Then select the Scan for Secret Characters option. Have Jak and Daxter saved on your memory card you're using and this should unlock the character.
Level select
Highlight the "Extras" option at the main menu, then press Left(11), Right(7), X to unlock all the levels in Single Mission Replay mode. A sound will confirm correct code entry.
Play as Daxter
Accumulate five hours of game time to unlock Daxter in Exhibition mode for purchase at the Secrets Shop for 50,000 Orbs.
Play as G.T. Blitz
Successfully complete the game.
Play as Klever
Win the Beachfront Drive Circuit race in Adventure mode to unlock Klever in Exhibition mode.
Play as Pecker
Accumulate ten hours of game time to unlock him for purchase at the Secrets Shop for 60,000 Orbs.
Play as Ratchet
Have a saved game file from Ratchet: Deadlocked on your memory card to unlock Ratchet at the Secrets Shop when you select the "Scan For Secret Characters" option.
Hero mode...