Aero Gauge - Platform: Nintendo64

China Town Jam track
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Complete Grand Prix mode in first place on each track under 
the "Expert" difficulty level. 

Neo Speed Way track
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Complete Grand Prix mode in first place on each track under 
the "Intermediate" difficulty level. 

Nintendo 64 controller vehicle
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Begin game play in time attack mode. Keep racing until obtaining 
a time that ends in .064 seconds. Press R when selecting this 
vehicle to change colors from red, green, blue, black, or yellow. 

Dominator vehicle
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Complete the game in first place with the Black Lightning under 
the "Expert" difficulty level. 

Prowler vehicle
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Complete the game in first place with the Hornet under the 
"Expert" difficulty level. 

Reaper vehicle
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Complete the game in first place with the Shredder under the 
"Expert" difficulty level. 

Vengeance vehicle
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Complete the game in first place with the Avenger under the 
"Expert" difficulty level. 

All tracks and vehicles
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Hold L + R + Z on controller two before the title screen appears. 
Keep those buttons held, then quickly press and release Up + C-Down 
on controller two when "Push Start" flashes on the title screen. 
Then, press Start on controller one before the title screen disappears. 
Note: The timing of this code is particularly sensitive; all buttons 
must be pressed and released at exactly the same time as indicated. 

Alternate vehicle color
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Highlight a vehicle on the selection screen, then press R. 

Quick start
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Hold A + B before the race begins. Release B immediately after 
the commentator says "Ready". 

Turbo
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Begin game play and hold A to speed up. Hold Z and press Analog-stick 
Left or Analog-stick Right, release A and Z, then quickly press A + Z. 
A sound will confirm correct code entry. 

Faster Grand Prix credits
-------------------------
Press Start when the credits appear after a Grand Prix 

Speed and altitude
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To fly faster climb until blue flames appear. If you stay low, 
the flames will be red and your speed will be slower.