Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Armed to the Gills (25 points)	Unlock every Gizmo on a single character.
Beach Head (100 points)	Complete the Bikini Bottom levels.
Bot Wrecker (25 points)	Players destroy 250 enemies.
Coral Skydiver (25 points)	Complete any freefall section without any players taking damage.
Decked Out (25 points)	Unlock and fully upgrade any Gizmo.
Field Medic (25 points)	Players revive allies 20 times.
Hard Rock (50 points)	Complete the Rock Bottom levels.
Lock and Load (15 points)	Unlock the Pickle Blaster.
Master Crab (100 points)	Unlock all Gizmos and upgrades for Mr. Krabs.
Master Overloader (15 points)	Players defeat 50 enemies by overloading them.
Master Sponge (100 points)	Unlock all Gizmos and upgrades for SpongeBob.
Master Squid (100 points)	Unlock all Gizmos and upgrades for Squidward.
Master Squirrel (100 points)	Unlock all Gizmos and upgrades for Sandy.
Master Star (100 points)	Unlock all Gizmos and upgrades for Patrick.
Not Defeated Yet (10 points)	Players revive an ally.
Pirateer (25 points)	Complete the Dutchman's Triangle levels.
Sea Warrior (20 points)	Complete a level without being defeated or revived.
Seaweed Squashed (30 points)	Win the first encounter against Plankton.
Skydiver (10 points)	Complete the first freefall section.
Team Sponge (100 points)	Complete a level with 4 players.