Have Onua's Level Done
To complete Onua's level, just go to passwords and put in "WLBQBB".

Unlock Minigames
Unlock a selection of six minigames by entering unusual names. Start a new game and choose one of the names below as the name of your character. After the adventure begins, save your game. When you reset and select a single-player minigame, the name's corresponding game will be available.

Name - MiniGame

8mr472 - ussal crab dig
9ma268 - ngalawa boat race
5mg834 - koli football
3LT154 - kewa bird riding
V33673 - huai snowball sling
4cr487 - ignala lava surfing

All Toa Symbols
Go to the passwords screen and enter 3QQQGC. Toggle from toa to toa nuva by pressing R.

All Toa Missions Completed
Enter FD555B as a name.