Navigating the trading mechanics in SpongeBob Tower Defense requires strategic planning rather than random attempts. Success hinges on market analytics, player demand fluctuations, and precise execution. This comprehensive resource catalogs every unit rarity tier – from Exclusive to Basic – alongside sought-after game enhancements that drive competitive play.
Current valuations reflect June 2025’s dynamic marketplace, replacing ambiguous estimates with precise trading brackets. Implement our structured negotiation framework, cross-reference proposals with updated charts, and identify unfair exchanges before they materialize.
Economic Dynamics in SpongeBob Defense Strategy
Mastering SpongeBob’s virtual marketplace demands rigorous value awareness. With rapid transaction cycles and shifting player priorities, consult our demand-calibrated rarity hierarchy during all negotiations. Below you’ll find the definitive valuation matrix for game assets.

Exclusive Tier Units
- Soaring Starfish – 4K to 60K
- Easter Bunny SpongeBob – 7K to 75K
- Lion Fish – 15K to 80K
- Secret Agent Star – 50K to 100K
- Olympian SpongeBob – 800K to 1M
Elite Tier Units
- Cyborg Plankton – 17K to 25K
- Sea Bear – 75K to 90K
- Dream Gary – 80K to 100K
- Spongehenge – 180K to 200K
- Hash Slinging Slasher – 350K to 400K
- Dennis – 400K to 600K
- Squidasaurus Rex – 450K to 600K
- Alaskan Bull Worm – 500K to 600K
- King Jellyfish – 600K to 700K
- Dungeon Master – 1M to 2M
- Robot Mantis – 2.5M to 3M
Prestige Tier Units
- Man Ray – 200 to 500
- Mermaid Man – 300 to 800
- Smitty – 300 to 800
- King Neptune – 500 to 1K
- Pinhead Larry – 500 to 1K
- Dirty Dan – 500 to 1K
- Realistic Fish Head – 500 to 1K
- Hibernation Sandy – 6K to 10K
- Richard – 6K to 10K
- Band Geek Mrs. Krabs – 12K to 17K
- Squog – 12K to 17K
- The Quickster – 13K to 18K
- Sea Rhino – 15K to 25K
- Teff – 16K to 20K
- Captain Magma – 18K to 25K
- King Krabs – 15K to 25K
- Bubbles the Dolphin – 15K to 25K
- Lord Poltergeist – 15K to 25K
- GG Rock SpongeBob – 20K to 25K
- Madame Hagfish – 20K to 30K
- Gladiator Patrick – 20K to 30K
- Sir SpongeBob – 20K to 50K
- Birt – 60K to 90K
- Caveman SpongeBob – 80K to 90K
- Handsome Plankton – 85K to 100K
- Tattletale Strangler – 90K to 110K
Prime Tier Units
- Plankton – 50 to 100
- Mr. Krabs – 50 to 100
- Doodle Bob – 50 to 100
- Miss Appear – 75 to 120
- Handsome Squidward – 100 to 200
- Dream Patrick – 300 to 500
- Flying Dutchman – 300 to 500
- Tango Karen – 400 to 600
- Band Geek Pearl – 500 to 600
- Perch Perkins – 500 to 600
- Band Geek SpongeBob – 500 to 600
- Snow Mollusk – 700 to 1.2K
- Glove World SpongeBob – 800 to 1.4K
- JoJo – 1K to 1.5K
- Dark Knight – 1K to 1.5K
- Spot – 1K to 1.5K
Advanced Tier Units
- Larry the Lobster – 5 to 30
- Princess Mindy – 5 to 30
- Dirty Bubble – 10 to 50
- Karen – 10 to 50
- Kevin C. Cucumber – 10 to 50
- Mermaid Man SpongeBob – 30 to 50
- Atomic Flounder – 100 to 200
- Patty Obsessed Squidward – 1K to 2K
- Texas Sandy – 10K to 15K
- Band Geek Patrick – 10K to 15K
- Band Geek Plankton – 10K to 15K
- Sand Creature – 10K to 15K
- Granny Tentacles – 20K to 35K
- Barg N Mart – 40K to 80K
- Baby Prunes – 65K to 100K
Specialized Tier Units
- Grandma Square Pants (duplicate) – 5 to 10
- Lord Royal Highness – 10 to 30
- Mrs. Puff – 20 to 40
- Slappy Lasizo – 20 to 40
- The Elastic Waistband – 30 to 60
- Old Man Jenkins – 30 to 60
- Krusty Krab – 30 to 60
- Grandma Square Pants – 30 to 70
- Squilliam Fancyson – 30 to 70
- Bubble Buddy – 40 to 80
- Pearl – 40 to 80
- Karate Sandy – 40 to 80
- Band Geek Squidward – 40 to 80
- Band Geek Sandy – 40 to 80
Basic Tier Units




- Gary – 5 to 10
- Patrick – 5 to 10
- Sandy – 5 to 10
- SpongeBob – 5 to 10
- Squidward – 8 to 10
Intermediate Tier Units
- Barnacle Boy – 0 to 1
- Goofy Gobber Waiter – 2 to 5
- Bubble Bass – 4 to 8
- Jim – 4 to 8
- Gene Scallop – 5 to 10
- Barnacle Boy Patrick – 10 to 20
- Karate SpongeBob – 10 to 20
Game Enhancement Items
- Shiny Hunter – 15K to 20K
- VIP – 20K to 23K
- 3x Speed – 20K to 35K
- Ultra Shiny Hunter – 30K to 40K
- Ultra VIP – 40K to 60K
- 5x Speed – 50K to 60K
- Trait Hunter – 55K to 65K
- Perma 2x Player XP – 55K to 65K
- 2x Spatulas – 55K to 75K
- Season Pass – 75K to 90K
- Ultra Secret Hunter – 100K to 120K