Arkanoid DS - Platform: Nintendo DS

Play as Artemis:
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Successfully complete Zone V' in Quest mode to unlock Artemis.


Play as Neith:
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Successfully complete Zone Z' in Quest mode to unlock Neith.


Play as Operon:
--------------- 
Successfully complete Zone W in Quest mode to unlock Operon.


Play as Rhea:
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Successfully complete Zone V in Quest mode to unlock Rhea.


Captain Neo background music:
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Successfully complete Theta-5 in Uranoid to unlock the Captain Neo background 
music.


Happy Smiling background music:
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Successfully complete Eta-5 in Uranoid to unlock the Happy Smiling background 
music.


Uranoid mini-game (Japanese version):
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At the title screen, press R, Left, Right, L, Right, R to unlock the Uranoid 
mini-game.


Original Vaus ship:
-------------------
Complete all Quest mode levels. 


Uranoid Mode:
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Complete all levels to save all your friends and Uranoid mode will be available
when you return to the main menu.