Spirit-X

Unlockable: Pilot the L-P-9999
When the credits role, enter LEFT TRIGGER, LEFT BUMPER, RIGHT TRIGGER, RIGHT BUMPER, X, Y, B before "Test Player" is reached. You can fly to the destroyed Akrid.

Unlockable: Hard Mode
Beat hard mode.

Unlock MP Characters:
Attain L30 on Xbox Live for your first secret character. Reach L45 on Xbox Live for another secret character.

Unlockable: Extreme difficulty.
Finish the game on either Easy, Normal, or Hard.

Xbox Live Gamerscore:

Online Pro. (50):
Get to stage 50 in online battle.

Moth Hunt (50):
Defeat the big moth.

Mission 01 Finished (10):
Complete Mission 01

Worm Hunt (50):
Defeat the big worm.

Hunt Medal (30):
Acquire up 10 Hunting Medals in Fugitive matches online.

Head Hunt (50):
Head hit 50 foe in online battle.

Elimination Medal (30):
Acquire up 10 Elimination Medals in Team Elimination matches online.

Planet Explorer (10):
Locate all of the target marks in Mission 01.

Conqueror (30):
Acquire up 10 Conqueror Medals in Post Grab matches online.

Chain Slayer (50):
Slay 10 foes in a row without dying in online battle.

Ace Medal (30):
Acquire up 10 Ace Medals in Elimination matches online.

Slam (30):
Acquire up all four types of medals in matches online.

Mission 02 Finished (10):
Acquired when completed Mission 02

Mission 03 Finished (10):
Acquired when completed Mission 03.

Mirage Explorer (10):
Locate all of the target marks in Mission 03.

Tempest Explorer (10):
Locate all of the target marks in Mission 02.

Mission 04 Finished (10):
Acquired when completed Mission 04.

Asteroid Explorer (10):
Locate all of the target marks in Mission 04.

Aurora Explorer (15):
Locate all of the target marks in Mission 05.

Mission 06 Finished (15):
Acquired when completed Mission 06.

Thunder (15):
Locate all of the target marks in Mission 06.

Mission 07 Finished (15):
Acquired when completed Mission 07.

Mission 08 Finished (20):
Acquired when completed Mission 08.

Mission 05 Finished (15):
Acquired when completed Mission 05.

Volcano (20):
Locate all of the target marks in Mission 08.

Mission 09 Finished (20):
Acquired when completed Mission 09.

Tornado (15):
Locate all of the target marks in Mission 07.

Rainbow (20):
Locate all of the target marks in Mission 09.

Mission 10 Finished (20):
Acquired when completed Mission 10.

Blizzard (20):
Locate all of the target marks in Mission 10.

Mission 11 Finished (30):
Acquired when completed Mission 11.

Pro. Pioneer (50):
Acquire up all the target coins in each game variant.

Internet Century (50):
Acquire more than 100 online matches.

Hardcore Soldier (150):
Complete all 11 missions in Extreme mode.

Stardust (30):
Locate all of the target marks in Mission 11.