Finish "When Robots Attack" for the first time
Finish "Hi Ho Mystery, Away!" for the first time
Finish "Robot from the Goo Lagoon" for the first time
Finish "Please Please Kelp Me" for the first time
Finish "There Goes the Neighborhood" for the first time
Finish "Nuts and Bolts" for the first time
Defeat Robo Sandy for the first time
Finish "Bring it Around Downtown" for the first time
Finish "Gone Jellyfishing" for the first time
Finish "Short Circuit" for the first time
Finish "No Horsing Around" for the first time
Finish "New Robotropolis" for the first time
Finish "To the Mermalair!" for the first time
Defeat Robo Patrick for the first time
Finish "Around the Way Sponge" for the first time
Finish "Seanutbutter and Jellyfish" for the first time
Finish "Mystery Loves Company" for the first time
Finish "Hitting the Slopes" for the first time
Finish "In-Cog-Neato!" for the first time
Finish "Robots in the Skies" for the first time
Defeat Robo Squidward for the first time
Finish "It Came from Rock Bottom" for the first time
Finish "Deep Trouble" for the first time
Finish "Escape from Sand Mountain" for the first time
Finish "Back to the Seacave" for the first time
Finish "Industrial Robolution" for the first time
Finish "Plankton's Inner Sanctum" for the first time
Defeat SpongeBot SteelPants
Finish a level with 20 Krabby Patties collected
Beat the first Bonus Stage
Beat the second Bonus Stage
Beat the third Bonus Stage
Beat the fourth Bonus Stage
Beat the fifth Bonus Stage
Beat the sixth Bonus Stage
Beat the seventh Bonus Stage
Beat the eighth Bonus Stage
Beat the level "Nuts and Bolts" without increasing the timer by more than 6 in-game seconds
Defeat Robo Sandy under 38 Seconds and without taking damage
Defeat Robo Patrick without Mystery and without taking damage
Defeat Robo Squidward without using the jump button and without taking damage
Defeat SpongeBot SteelPants swallowing only bombs (maximum 12) and without taking damage (exit level to reset)
Unlock all photos in one session (Password H2PY for all levels with no photos)