Metroid Prime: Hunters Codes -

Unlocking other hunters:
Defeat a player in multi-player mode who is using a hunter you have not yet unlocked. Alternately, defeat the hunter in single player mode.

Special hunters license icon:
Successfully complete the game with 100% of the scans. Completing adventure mode without the 100% ending will result in a blue spiral icon next to your hunter's license rank. 

Get a 100% completion in Adventure mode to get an Octolith icon next to your hunter's license rank. 

Have 25 total wins in multi-player mode to have a bronze lightning bolt icon next to your hunter's license rank. 

Have 100 total wins in multi-player mode to have a silver lightning bolt icon next to your hunter's license rank. 

Have 200 total wins in multi-player mode to have a gold lightning bolt icon next to your hunter's license rank. 

Suitless Samus:
Get a 100% game completion in each file.

Record Table option:
Successfully complete the game to unlock the Record Table option at the main menu. Select it to view the best Adventure Mode times, total time played, and final Boss times.

Sound Test option:
Defeat Gorea's second phase.

Hunters License ranks:
Get the indicated number of points by winning WiFi matches to reach the indicated rank.

Bounty Hunter: 0-39 points. 
Super Hunter: 40-139 points. 
Elite Hunter: 139-389 points. 
Master Hunter: 390-750 points. 
Legendary Hunter: Over 750 points. 

Arenas:
Complete the indicated task to unlock the corresponding arena.


Compression Chamber: Play 4 local games 
Council Chamber: Play 16 local games 
Elder Passage: Play 18 local games 
Fault Line: Play 22 local games 
Fuel Stack: Play 20 local games 
Harvester: Play 12 local games 
Head Shot: Complete a four-player match 
Incubation Vault: Play 6 local games 
Oubliette: Defeat the final Boss in single player mode. 
Outer Reach: Play 10 local games 
Sanctorus: Play 2 local games 
Stasis Bunker: Play 40 local games or 1 WiFi game 
Subterranean: Play 8 local games 
Weapons Complex: Play 14 local games