During gameplay press 'Start' to pause the game and then enter the following codes to unlock the corresponding effect.
Access ALL Missions in Replay Mode:
Press X, Up, Up, Left, Right, Left.
Unlock Faster Built-Up:
Press X, Down, Down, Up, Left, Right.
Press X, Left, Right, Up, Left.
Get 100 Population Instantly:
Press X, Right, Right, Left, Up.
View ALL Units:
Press X, L, R, R, L.
During gameplay press 'Start' and hold ALL four shoulder buttons and press X, Up, Up, Left, Right, Left. If you have entered the code correctly a message will appear on screen as confirmation. When you have confirmation quit your game and when you get debriefed press X to advance to the next mission.
Added by: Sanzano May 18th 2007, ID#26492