Destroying dark cages: Use Nuva Blasts to destroy dark cages. Charge
your elemental energy, then immediately press Y.
Get Makuta: When you are at the end of the game and are battling
Makuta. press A(2), Y. You should be gliding and dodging all attacks
except for the flying bees.
Play as Takua Nuva: Successfully complete the game using all six
Toa.
Extra bonuses: Complete a level with all Lightstones collected as
each Toa to unlock a bonus at the Extras menu.