Advance Wars 2: Black Hole Rising

					
Erase Data
Like in the first Advance Wars, you can erase your save data by holding LRightSelect before turning the game on.
Lab Map Locations
To gain Neotanks , you have to capture a specific city in a specific map to get the lab map, and then beat a hidden mission. You have to do this in each country.
Orange star
Flak Attack: City north of your HQ, within range of your units starting positions.

Secret Level: Test of Time
Blue Moon
Toy Box: South-Western most Neutral city, AKA: the one on the weird island. Secret Level: Neotanks?
Yellow Comet
Show Stopper: South-western most neutral city. Secret Level: Sea of Hope
Green Earth
Sinking Feeling: Southernmost city on the western island Secret Level: Danger X9