Be careful when using action replay (actionreplay ar ards ds)or codebreaker (code breaker cb cbds) on any game system. This shows side effects on local wireless mode of the nintendo ds dual duel duelscreen dualscreen screen two 2 ii. The game used was MKDS (mario kart mariokart mariokartds). Action replay made by datel. i dont no anything about codebreaker for ds at this moment, i saw it months ago tho, and it exists.

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