Every
gadget Hit 25 Barrels on purpose while
your completing Challenge 7.
Laser upgrade Note:
You neet to achieve an "A+" rank when doing these things. Finish
every challenge, then access the "Timer Speed" cheat. Set it to
10% speed. Then change the difficulty level to very hard then
finish Challenge 18. Obtain the "A+" rank to access the "Laser
Upgrade" cheat.
Every
car Gather 11 Bonus Stunt items while your finishing Challenge
8. Note:
The Bonus Stunt Items are purple balls with silver rings
rotating around them.
Every
world Locate the Hidden Key while your finishing Challenge 18. The
yellow key will be in the Mines, across a trestle at the end of
a tunnel.
Unlimited ammunition Hit 50 Barrels on purpose while your finishing Challenge 18.
Timer speed Hit 13 Detour Signs on purpose while your finishing
Challenge 15.
Gadgets for finishing challenges
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
Unlimited health Hit 179 Barrels on purpose while finishing Challenge 17.
Unlimited turbo Obtain 8 Zappers while finishing Challenge 4.
Crankshaft Docks Finish Challenge 8 completely.
Treadwell Plaza Finish Challenge 14 completely.
Underworld Track Finish Challenge 2 completely.
Glacier Track Finish Challenge 11 completely.
Sewer Pipe Arena Finish Challenge 5 completely.
Underworld Arena Finish Challenge 17 completely.
Krazy 8s vehicle Finish Challenge 18 completely.
HW Prototype vehicle Finish every mission in
adventure mode completely.
