The following are known Action Replay Codes for Advance Wars: Day of Ruin on Nintendo DS (NDS).
Game ID: YW2E-6E2AAFE5
Press SELECT for Max Funds
94000130 fffb0000
0214b7c8 0098967f
d2000000 00000000
Unlock All Commanding Officers
d5000000 01010101
c0000000...
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