Hot Wheels – Velocity X – Gamecube

Hot Wheels - Velocity X - Platform: Gamecube

All cars
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Collect 11 Bonus Stunt items while completing Challenge 8.

All worlds
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Find the Hidden Key while completing Challenge 18. The yellow 
key is in the Mines, across a trestle at the end of a tunnel.

All gadgets
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Intentionally hit 25 Barrels while completing Challenge 7.

Upgraded laser
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Complete all missions, then all challenges under the very hard 
difficulty setting. Note: You have to get a "A+" rank to unlock 
this cheat.

Unlimited ammunition
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Intentionally hit 50 Barrels while completing Challenge 18.

Unlimited health
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Intentionally hit 179 Barrels while completing Challenge 17.

Unlimited turbo
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Collect 8 Zappers while completing Challenge 4.

Timer speed
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Intentionally hit 13 Detour Signs while completing Challenge 15