• Maximum Fuel and Armor - press Select, L2, Select, R2, T, T, T, O
• Maximum Weapons - press Select, L2, Select, R2, L1, L2, R1, R2
• Cycle Through Gun Modes - press Select, L2, Select, R2, Select, Select, Select
• Summon Wingman - press Select, L2, Select, R2, S, S, S, O
• Mission Skip - press Select, L2, Select, R2, T, T, T, D, D, D
• Upgrade Weapon - press Select, L2, Select, R2, L1, L1, R1, R1

Secret Deathmatch Mode:
At the main title screen hold Select and R2 on both controllers. The title screen menu will change allowing a two player VS option. This new game mode plays like Atari's classic top down two player combat game complete with warp round screen!

GameShark Codes

Infinite Missiles	8005fcf00064

 
Infinite Napalm		8005fcf403e7

 
Infinite Rockets	8005fcf20064

 
Infinite TAC		8005fcf603e7
 

Thanks to Revolution readers Andrew Beaudette, Necromancer, Nick, and Lynne Clay!!