Nanostray

Unlocking Arcade levels:
Finish every levels in adventure mode.

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

Challenge mode bonuses:

Unlockable concept arts:
Chuuroh City: Finish Challenge 18
Hibashira Plains: Finish Challenge 9
Mitsurin Jungle: Finish Challenge 2
Mokuzu Depths: Finish Challenge 4
Sekai Outpost: Finish Challenge 15
Sekihi Belt: Finish Challenge 12
Sunahara Desert: Finish Challenge 7
Zenshoh Station: Finish Challenge 21

Unlockable models:
Enemy Masked Raider: Finish Challenge 19
Enemy Mr. Slater: Finish Challenge 10
Enemy Squidman: Finish Challenge 13
Enemy Triple Zero: Finish Challenge 5
Enemy Whale-Bot 3000: Finish Challenge 16

Unlockable musics:
Chuuroh City: Finish Challenge 17
Hibashira Plains: Finish Challenge 8
Mitsurin Jungle: Finish Challenge 1
Mokuzu Depths: Finish Challenge 3
Sekai Outpost: Finish Challenge 14
Sekihi Belt: Finish Challenge 11
Sunahara Desert: Finish Challenge 6
Zenshoh Station: Finish Challenge 20