At the main men,select the "new game" option. Then, hold
L+R+Z and quickly press left,up,down,A,right,B,start to display the
cheat entry screen. Enter one of the following codes to activate the
corresponding cheat function.

Level select
Enter "WEWILLWIN" as a code.

Invincibility
Enter "SUPERMECH" as a code.

All multi-player levels
Enter "MULTIMAYHAM" as a code.

All paint schemes
Enter "MISSMACROSS" as a code.

All veritechs and medals
Enter "WHERESMAX" as a code.

Both gunpods and missiles refresh quicker
Enter "MIRIYA" as a code.

Disable active cheats
Enter "CLEAR" as a code.
1 Shot Kills
Enter "BACKSTABBER" as a code.
1 Shot Sniper Kills
Enter "SNIPER" as a code.
Upside Down
Enter "FLIPSIDE" as a code.
Fast Gunpod Refresh
Enter "SPACEFOLD" as a code.
Fast Missile Refresh
Enter "MARSBASE" as a code.