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