SpongeBob SquarePants

Bikini Bottom Chess

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Online game
Bikini Bottom Chess
Bikini Bottom Chess
General Information
External link: Play at
List of online games

Bikini Bottom Chess is a SpongeBob SquarePants online game.


Sp chess sp vs pat

SpongeBob vs Patrick in Human vs Computer mode

Sp chess multi

SpongeBob vs Patrick in Human vs Human mode

The gameplay is just like chess, with King Neptune being the King. The player must protect King Neptune to keep from losing. Standard chess rules apply to this game, with some exceptions, such as the fact that sometimes the opposite player ("black") starts.

There are two modes: single-player and two-player. In single-player, the player must defeat a computer at chess, with different intelligence depending on the computer's level. To win the best score, as little number of moves and lost pieces must be done (though the "point rule" in chess doesn't apply here). There are five grades (is there five grades?): A, B, C, D, and F (if you lose or surrender).

Playing pieces

SpongeBob SquarePants

Patrick Star

  • Pawn — Square, pink Jellyfish
  • Rook — A plush version of SpongeBob's House
  • Knight — A plush version of Mystery
  • Bishop — Squidward figurine with a bishop's hat
  • Queen — Queen Amphitrite figurine
  • King — King Neptune figurine

Mermaid Man

Larry the Lobster

  • Pawn — Red Jellyfish
  • Rook - life guard stand
  • Knight — Don the Whale
  • Bishop — Frank with a bishop's hat
  • Queen - Sandy Cheeks with a queen crown
  • King - Himself with a king's crown, flexing his muscles

Flying Dutchman

  • Pawn — Lime-green Jellyfish
  • Rook — Flying Dutchman's Ship
  • Knight — A ghostly, eel-like creature
  • Bishop — A hairy monster with a bishop's hat
  • Queen — Madame Hagfish with a queen's crown
  • King — Himself with a king's crown


  • Pawn - aqua jellyfish
  • Rook - Chum Bucket
  • Knight - some aqua cute dog-like thing
  • Bishop - a bishop plankton
  • Queen - Karen on an EEG stand with a queen's crown
  • King - Plankton with a king's crown


"checkmate" from capture all

"Checkmating" Plankton for capturing all his pieces

Bb chess plankton

Playing chess against Plankton with Black starting

Checkmate no pieces two

Checkmating Patrick in two-player mode with Patrick's side having no pieces

  • There are various exceptions to the standard chess rules including...
    • On occasions the opposite team ("black") starts.
    • The fact that you can "checkmate" by capturing all of the opponent's pieces.
    • On single-player mode, you always play on White's side, never on Black's side.
  • There are various achievements for certain "special" chess tactics:
    • "Passing the Pawn" - an achievement for capturing a pawn en passant in single-player mode.
    • "Fortify the Walls" - an achievement for castling in single-player mode (whether it be kingside castling or queenside castling).
    • "Promotion" - an achievement for promotion of a pawn (making a pawn reach the eighth rank and thus allowing promoting the pawn to a knight, bishop, rook or queen)

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