Hot Wheels: Velocity X

All cars:
Collect 11 Bonus Stunt items while completing Challenge 8. Note: The Bonus Stunt Items are the purple balls with silver rings rotating around them.
Kevin Lewallen.

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

All gadgets:
Intentionally hit 25 Barrels while completing Challenge 7.
Kevin Lewallen.

Laser upgrade:
Note: You must get an "A+" rank when doing the following. Complete all challenges, then unlock the "Timer Speed" cheat. Set it to 10% speed. Change the difficulty level to very hard then complete Challenge 18. Get the "A+" rank to unlock the "Laser Upgrade" cheat.
Kevin Lewallen.

Unlimited ammunition:
Intentionally hit 50 Barrels while completing Challenge 18.
Kevin Lewallen.

Unlimited health:
Intentionally hit 179 Barrels while completing Challenge 17.
Kevin Lewallen.

Unlimited turbo:
Collect 8 Zappers while completing Challenge 4.
Kevin Lewallen.

Timer speed:
Intentionally hit 13 Detour Signs while completing Challenge 15.
Kevin Lewallen.

Gadgets for completing challenges:
sallyr.

Challenge 1: Laser Cannon
Challenge 3: Sonic Boom
Challenge 4: Atom Blaster
Challenge 7: Freon Bomb
Challenge 9: Energy Shield
Challenge 10: Jet Booster
Challenge 13: Super Zapper
Challenge 15: Magnet Mine
Challenge 16: Doom Disks

Underworld Track:
Successfully complete Challenge 2.

Glacier Track:
Successfully complete Challenge 11.

Sewer Pipe Arena:
Successfully complete Challenge 5.

Crankshaft Docks:
Successfully complete Challenge 8.

Treadwell Plaza:
Successfully complete Challenge 14.

Underworld Arena:
Successfully complete Challenge 17.

Sho-Stopper vehicle:
Successfully complete Challenge 6.

Surf Crate vehicle:
Successfully complete Challenge 12.

Krazy 8s vehicle:
Successfully complete Challenge 18.

HW Prototype vehicle:
Successfully complete all missions in adventure mode.

Glitch: Flying car:
On the first level, go straight up the building wall about one third through the level. When you get about 15/16 up the wall, press X to back up. If done correctly, you should fly through the air for about two minutes. You can only go forward slowly, and your speedometer will stop working while you are in the air.
game_master345.