Nanostray - Platform: Nintendo DS

Arcade levels:
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To unlock the levels for Arcade mode you must complete each level in 
Adventure mode on any difficulty setting. In arcade mode the difficulty 
is set at Expert mode. You will only get three ships and cannot change 
the difficulty.

Challenge mode bonuses:
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Chuuroh City concept art    : Successfully complete Challenge 18.
Chuuroh City music          : Successfully complete Challenge 17.
Enemy 'Masked Raider' model : Successfully complete Challenge 19.
Enemy 'Mr. Slater' model    : Successfully complete Challenge 10.
Enemy 'Squidman' model      : Successfully complete Challenge 13.
Enemy 'Triple Zero' model   : Successfully complete Challenge 5.
Enemy 'Whale-Bot 3000' model: Successfully complete Challenge 16.
Hibashira Plains concept art: Successfully complete Challenge 9.
Hibashira Plains music      : Successfully complete Challenge 8.
Mitsurin Jungle concept art : Successfully complete Challenge 2.
Mitsurin Jungle music       : Successfully complete Challenge 1.
Mokuzu Depths concept art   : Successfully complete Challenge 4.
Mokuzu Depths music         : Successfully complete Challenge 3.
Sekai Outpost concept art   : Successfully complete Challenge 15.
Sekai Outpost music         : Successfully complete Challenge 14.
Sekihi Belt concept art     : Successfully complete Challenge 12.
Sekihi Belt music           : Successfully complete Challenge 11.
Sunahara Desert concept art : Successfully complete Challenge 7.
Sunahara Desert music       : Successfully complete Challenge 6.
Zenshoh Station concept art : Successfully complete Challenge 21.
Zenshoh Station music       : Successfully complete Challenge 20.

Challenges:
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Successfully complete Mitsurin Jungle to unlock Challenges 1, 2.
Successfully complete Mokuzu Depths to unlock Challenges 3, 4, 5.
Successfully complete Sunahara Desert to unlock Challenges 6, 7.
Successfully complete Hibashira Plains to unlock Challenges- 8, 9, 10.
Successfully complete Sekihi Belt to unlock Challenges 11, 12, 13.
Successfully complete Sekai Outpost to unlock Challenges- 14, 15, 16.
Successfully complete Chuuroh City to unlock Challenges- 17, 18, 19.
Successfully complete Zenshoh Station to unlock Challenges 20, 21 ,22.