Enter these codes at the code menu.

Effect	Password
Agility	GLCND
AutoWin Seenario	PDL
Debug Menu	HLNRV
Double MPG	LLMMN
Infinate Fuel	DRWCV
Infinite Ammo	FCQWH
Infinite Attempts	KPLYQ
Infinite Chaingun	ZWDRM
Infinite Missiles	MGNWS
Infinite Rockets	JLWLD
Infinite Wingtips	RFRBC
Overhead View	BGRZP
Skip Level	GZXCV
Stalth Mode (can't shoot)	JYMNT
Wingtips 2x Damage	SNJSP