The following are known Action Replay Codes for Dual Blades on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
2a720b9f
55faccd1
8f936709
7ef92437

Infinite Health
d84d9ad7
900d7ace

Max Power
8fb9a0ba
00f9244b

Infinite Time
8d2324b2
1c1ed691

Quick Win Survival
3c2194a5
e7acbf62

Quick Win T.Attack
d4be5056
35997c6f