Here is the full list of all 20 SpongeBob SquarePants: Plankton's Robotic Revenge achievements worth 1,000 gamerscore.
Unlock all Gizmos and upgrades for Mr. Krabs.
Unlock all Gizmos and upgrades for Squidward.
Unlock all Gizmos and upgrades for Sandy.
Unlock all Gizmos and upgrades for Patrick.
Complete the Bikini Bottom levels.
Unlock all Gizmos and upgrades for SpongeBob.
Unlock every Gizmo on a single character.
Complete any freefall section without any players taking damage.
Complete the Rock Bottom levels.
Complete the Dutchman's Triangle levels.
Players defeat 50 enemies by overloading them.
Players destroy 250 enemies.
Players revive allies 20 times.
Unlock and fully upgrade any Gizmo.
Complete a level without being defeated or revived.
Win the first encounter against Plankton.
Complete a level with 4 players.
Complete the first freefall section.
Players revive an ally.
Unlock the Pickle Blaster.