Unlimited Ammo - In challenge 18, hit 50 barrels.
Unlimited Health - In challenge 17, hit 179 barrels
Unlimited Turbo - In challenge 4, collect 8 zappers
Unlock all Worlds - In challenge 18, find the hidden key.
Unlock all Cars - In challenge 8, hit 11 Bonus Stunt items.
Unlock all Items - In challenge 7, hit 30 barrels.
Upgrade Laser - Beat challenge 18 with very hard difficulty setting.
Unlock Turbine Sands level - Beat adventure 3.
Unlock Crankshaft Bay level - Beat adventure 6.
Unlock Burnout Glacier level - Beat adventure 9.
Unlock Underworld level - Beat adventure 12.
Unlockables - Challenge mode
| Beat... |
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Unlocks... |
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Challenge 1 |
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Laser Cannon |
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Challenge 2 |
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Underworld Race |
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Challenge 3 |
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Sonic Boom |
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Challenge 4 |
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Atom Blaster |
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Challenge 5 |
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Sewer Pipe Arena |
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Challenge 6 |
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Sho-Stopper Vehicle |
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Challenge 7 |
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Freon Bomb |
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Challenge 8 |
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Crankshaft Docks |
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Challenge 9 |
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Energy Shield |
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Challenge 10 |
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Jet Boosters |
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Challenge 11 |
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Glacier Race |
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Challenge 12 |
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Surf Crate Vehicle |
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Challenge 13 |
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Super Zapper |
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Challenge 14 |
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Treadwell Plaza |
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Challenge 15 |
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Magnet Mine |
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Challenge 16 |
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Doom Disks |
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Challenge 17 |
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Underworld Arena |
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Challenge 18 |
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Krazy 8's Vehicle |
Hot Wheels Velocity X
