| A Life in a Day (50) | Collect 99 Lives. |
| Artist Unknown (25) | Unlock all concept art. |
| Born to Be Wild (20) | Break 1000 Plankton Tikis. |
| Christmas Who? (10) | Find the Toy Clarinet. |
| Club SpongeBob (10) | Find the Magic Conch Shell. |
| Costume Party! (25) | Unlock all of the available costumes. |
| Curse You!!! (50) | Have a Co-op buddy, as Plankton, shake 50 enemies. |
| Graveyard Shift (10) | Find the Open 24 Hours sign. |
| HAPPY SQUARED! (100) | Complete the game. |
| Home Sweet Pineapple (30) | Upgrade all of SpongeBob furniture. |
| I Will Destroy All of You! (50) | Have a Co-op buddy, as Plankton, defeat 100 enemies. |
| Jellyfish Jam (10) | Find the Baby Jellyfish. |
| Jellyfishing (10) | Find SpongeBob's Jellyfishing Net. |
| Just One Bite (10) | Find the Krabby Patty. |
| Karate Choppers (10) | Find the Karate Gloves. |
| Last Sponge Standing (30) | Survive all 7 Task Tiki Combat Challenges against the robot cretins. |
| Livin' Like Larry (25) | Break 150 Squidward Stone Tikis. |
| Mermaidman & Barnacleboy (10) | Find Mermaidman & Barnacleboy's Ring Box. |
| Mermaidman & Barnacleboy II (10) | Find the Aquaphone. |
| Mermaidman & Barnacleboy IV (10) | Find Mermaidman's Utility Belt. |
| Money Talks (30) | Collect 10,000 Happiness Nuggets. |
| MuscleBob BuffPants (50) | Defeat 30 enemies in a row while buff. |
| Nasty Patty (10) | Find the Volcano Hot Sauce. |
| Nature Pants (10) | Find the Picnic Basket. |
| Naughty Nautical Neighbors (10) | Find the Bubble Wand. |
| Neptune's Spatula (10) | Find the Golden Spatula. |
| No Weenies Allowed (10) | Find the Hot Dog. |
| One Krab's Trash (10) | Find the #1 Soda Drinkin' Hat. |
| Rise and Shine (10) | Find Patrick's Alarm Clock. |
| Robotic Rage (25) | Defeat 250 enemies with SpongeBob. |
| Sleepy Time (50) | Find Patrick sleeping in all levels. |
| SpongeBob HappyPants! (100) | Find all of SpongeBob's Happiness Objects. |
| Squid Wood (10) | Find Squidward's Paints. |
| Survival of the Idiots (10) | Find the Bellybutton Lint Earmuffs. |
| Tea at the Treedome (10) | Find Sandy's Iced Tea Glass. |
| The Great Snail Race (10) | Find Snellie's Pet Carrier. |
| Too Good to be True (50) | Complete any level without dying, without invincibility. |
| Valentine's Day (10) | Find the Heart-Shaped Acorn. |
| Walking Small (30) | Have a Co-op buddy, as Plankton, make 100 Happiness Nuggets sad. |
| Weenie Hut (5) | Feed Patrick a kelp hot dog. |
| Wet Painters (10) | Find Mr. Krabs' 1st Dollar. |
