If you have a saved game file from Ratchet: Deadlocked on your Memory Card Ratchet will become available at the 'Secrets' shop when you select the 'Scan for Secret Characters' option.

When you have won ALL the races with a 'Gold' rank you get a 100% completion in the game and Hero mode becomes unlocked for purchase at the 'Secrets' shop for 50,000 Orbs. When you play in Hero mode you will have green turbo exhaust.

This is done just before the race begins by tapping R2 + X when the countdown timer gets to '1'. Doing this will give you a power boost enabling you to get a face start in the race.

If you want to see where your opponents are behind you press Triangle + Square + X + Circle and the camera will look behind you.

If you link to the Daxter PSP game using a USB cable the Daxtermobile will become unlocked at the 'Secrets' shop when you select the 'Scan for Secret Characters' option.

Unlock Javelin X:
Complete the Green Eco Cup.

Unlock Anvil RTX:
Complete the Green Eco Cup.

Unlock Hammer Head:
Complete the Red Eco Cup.

Unlock Street Grinder:
Complete the Red Eco Cup.

Unlock The Naughty Dog:
When you have 100% in the game you can buy it at the Secrets Shop for 50,000 Precursor Orbs.

Unlock Sand Shark:
Have a Jak 3 Save on your Memory Card and then when you are close to finishing Adventure Mode buy it in the Secrets Shop for 40,000 Precursor Orbs.

Unlock Jak One:
Have a Jak and Daxter save file on your card and Visit the 'Secrets' Shop. Then select the Scan at the 'Secret Characters' option.

Unlock Jak II:
Have Jak II save file on your Memory card and Visit the 'Secrets' Shop. Then select the Scan at the 'Secret Characters' option.

Unlock Jak 3:
Have Jak 3 save file on your Memory card and Visit the 'Secrets' Shop. Then select the Scan at the 'Secret Characters' option.

Unlock Sig:
Win the Spargus City Death Race.

Unlock UR-86:
Win the Kras City Qualifier.

Unlock Daxter:
When you have played for 5 hours go to the 'Secrets' shop and pay 50,000 Orbs.

Klever:
Beat Beachfront Drive Circuit Race