Bionicle Cheats (PlayStation 2)

Successfully complete the game using all six Toa to unlock Takua Nuva.

(The first step of facing Makuta): There are platforms around Makuta. 
  Once you get close to Makuta he will disappear and reappear on the 
  platform behind you. You are the 7th Toa and have powers far more 
  powerful than any of the Toa Nuva and youre power goes up 
  automatically so you don't have to recharge it yourself. (Step Two): 
  On the platform Makuta will send out enemies. The enemies get stronger 
  and harder to defeat each platform Makuta switches too. Get on the log 
  in the middle of the arena because it is the safest place against 
  Makutas mind controlled creatures. Finally once you have defeated all 
  of Makutas creatures the arena will crumble and you and Makuta and 
  chunks of the arena will fall. (Step Three): Its not over yet. Now you 
  must face Makuta while jumping from platform to Platform on an almost 
  never ending fall. On youre way down you must defeat Makuta and 
  finally end his threat to Mata-Nui. There are 4 glowing platforms. You 
  must step on each platform to take off Makutas deflective barrier. 
  Once you step on each barrier Makutas barrior will go down and he will 
  through Dark Disk Sphere. Right when the Sphere is about to hit you 
  turn on your shield and send Makuta a dose of his own medicen. 
  Continue this Process 4 times. On the 4th time the rocks will shake 
  rumble and fall if you stand on them too long. While this is already 
  enough trouble Makuta while continuously throw Dark Disk Spheres at 
  you you must deflect the Spheres with your shield as usual and this 
  time Makuta will fall to his knee. When he does rapidly shoot him with 
  youre powerful energy. Continue this and eventually Makuta will fall 
  and the battle will be over. (If you are successful in defeating 
  Makuta you will be able to witness the prizes that await.) Good Luck 
  and Enjoy!   


  

Complete a level with all Lightstones collected with each Toa to unlock a bonus at the
"Extras" menu.

Beat a level with all Lightstones collected with 
each toa to get a bonus in the Extras menu

Getting EVERY lightstone as each toa will unlock good things at the main 
menu (go to Extras). If you fail to get the lightstones the first time, 
then it's okay, because you can always play that level again whenever 
you want.

To do damage to a Bohrok or a Bohrok-Kal, you must get it to unroll. 
  When you're battling a Bohrok or Bohrok-Kal as Toa Tahu (the red 
  one)or Gali Nuva (the blue one), they will randomly unroll to attack 
  you. 

  If you're playing as Toa Kopaka (the silver one), then you must get 
  close enough that the Bohrok is targeted. Then, use your shield  
  This will unroll the Bohrok (attack it quickly and as many times as 
  possible during the 3 seconds that you have before it rolls up again).

Complete the game with all 6 toa including toa tahu nuva's quest to 
unlock the bionicle of light takua nuva.

On the THIRD level, Gali is Your character.

THIRD LEVEL OBJECTIVES:

1 GATHER MATORANS TO OPERATE MACHINERY: 15[Some of them hide, others are 
trapped, and the rest are in plain site.]

2 EXPLORE AND ACTIVATE 2 SWITCHES TO ACTIVATE 2 DOORS. YOU CAN DO THIS 
WHILE FINDING MATORAN.[Activate 1 switch and swim through 

door and repete.]FIGHT WITH RAHI. 

3 ACTIVATE MACHINERY [Crane and build rahi]TO CLEAR PATH.

4 FIGHT WITH BOHROK-KAL. [Remember, attack when they are NOT rolled up.]

                  
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TTTTTTT

To get "credits and cheats" you must collect as many crystals and 
  matorans as you can. Or to get almost everything the easy way is to 
  defeat "Makuta." (Learn how to defeat "Makuta" below.)