Sonic Chronicles: The Dark Brotherhood U.S. Action Replay ID: YWSE-ACB0DF12
Over 1,000,000 Rings (Creator: Maxal1)
(When you use this code, go to your save file, save your game and then restart your DS. If you leave the code on, it has a nasty side effect of making Sonic miss every attack.)
Max Level Chao/Lots of Chao Eggs (Press Select in-game a few times. You'll notice a slightly odd motion of the screen, but that's normal. With this code on, DO NOT PRESS SELECT DURING THE OPENING MENU. It will freeze the game.) (Creator(s): Missing Number (Original); Zephyrical (Altered for all Chao))
(When you use this code, go to your save file, save your game and then restart your DS. If you don't, your game will freeze if you go into the Chao Garden. This code gives you over 60,000 Chao eggs and each of them will hatch at level 3.