5 Cheats available for Harry Potter and the Chamber of Secrets, see below Cheats Harry Potter & the Chamber of Secrets - How to get alohamora (GameBoy Advance) Harry Potter & the Chamber of Secrets - How to get alohamora (GameCube) Harry Potter & the Chamber of Secrets - Win Broomstick (GameCube) Harry Potter and the Chamber of Secrets - Take points off Slytherin (Nuon) Harry Potter and the Chamber of Secrets - How to win Duels (Nuon)