Frogger: Helmet Chaos (DS)

Afro Wig
Enter Finnius, Frogger, Frogger, Wani as a password.

Baseball Cap
Enter Frogger, Frogger, Frogger, Berry as a password.

Bunny Ears
Enter Lily, Frogger, Frogger, Lumpy as a password.

Camouflage Costume
Enter Lily, Wani, Lily, Wani as a password.

Cowboy Costume
Enter Frogger, Lily, Lily, Lily as a password.

Croc Hat
Enter Lily, Lily, Wani, Lumpy as a password.

Mohawk Wig
Enter Berry, Lily, Lumpy, Lily as a password.

Pirate Hat
Enter Frogger, Berry, Finnius, Frogger as a password.

Santa Costume
Have the Game Boy Advance game Frogger's Adventures: Temple Of The Frog in the cartridge slot.

Santa Hat
Enter Lily, Lily, Wani, Wani as a password.

Unlock hidden Costumes
While playing "Frogger: Helmet Chaos" with one of the following GBA games in the second cartrige slot you will unlock hidden costumes in the "Costumes" menu.

With "Frogger's Journey:
The Forgotten Relic" you get the "Punk Costume"

With "Frogger's Adventures 2:
The Lost Wand" you get the "Pirate Costume"