When you complete the following tasks the corresponding cheat option will become an available option. To enable a code just pause the game and select the 'Cheats' option.
Kill 100 EDF with a hammer (sledgehammer is extra strong).
Blow up 100 small hydrogen tanks (turrets do not overheat).
Liberate Oasis Sector (full morale in ALL sectors ALL the time).
No Green Alert:
In Campaign mode complete 25 killing sprees (constant EDF assaults).
Complete 50 Guerrilla Actions (no more salvage charge at the safe house).
Liberate Mars (EDF/Guerilla/Marauder always has best armour and weapons).
Destroy 50 EDF owned buildings (ALL explosive impulses and damage from collisions are tripled).
Destroy 250 EDF supply crates (jetpack recharges at twice the maximum recharge).
Find ALL the missing radio tags (increases the amount of damage you can take).
Mine ALL ore locations (player can sprint at 1.5x normal speed).
Destroy 50 EDF flyers (infinite ammunition for ALL weapons).
Added by: Sanzano Jun 25th 2009, ID#1811