Advance Wars: Dual Strike Cheats

In Map Design mode, hold L and R while selecting the mode to produce a special pre-made map, with "Advance Wars" spelled out in the terrain.

Beat Normal Campaign and buy it from Hachi.

To unlock the gallery, simply beat normal campaign once, then purchase it from Hachi for 2000 points.

Obtain all 300 medals

Get to Level 10 of higher with a CO and buy the CO edit from Hachi, and you will get the alternative costume in the CO edit menu.

Once you beat Crystal Calamity (the one with the big black crystal), you can purchase Oozium from Battle Maps for 1000 credits. You can then have predeployed Ooziums in your design maps.

When you complete campaign, you will get the wallpapers for the three COs that you used most that campaign. You can then select those wallpapers from the Display menu.

Once you beat Normal Campaign once, you can use three of the 'Star' Forces with any character Rank 1 or higher. The three forces are Eagle Eye (+2 vison), Gear Head (+2 base repair), and Conquerer (+2 Capture).