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The BFBBMix logo.

BFBBMix is a full game custom level mod of SpongeBob SquarePants: Battle for Bikini Bottom created by skyweiss with help from other members of the modding community. Its name is a portmanteau of "BFBB" and "remix."

Mod info

BFBBMix is a revisit to Battle for Bikini Bottom with new levels, objectives, and music. The terrain and various objects are constructed entirely of simple shapes, like cubes, cones, and cylinders, using Industrial Park to place them. Most other objects are imported from the original game.

The mod has been released in milestones as its development progressed towards the full game.

  • A demo of Jellyfish Fields was released on 6 September 2019.
  • Chapter 1, containing Jellyfish Fields, Downtown Bikini Bottom, Goo Lagoon, and Poseidome, was released on 14 March 2020.
  • Chapter 2, adding Rock Bottom, Mermalair, Sand Mountain, and Industrial Park, was released on 6 June 2020.
  • The full game version was released on 28 August 2020.


BFBBMix Download.png

Download Version 5.0 (Full Game) for GameCube
+ Bugfix Update: Download Version 5.01 Patch for GameCube
Download Version 5.0 (Full Game) for Xbox
+ Bugfix Update: Download Version 5.01 Patch for Xbox

Release notes and older versions

Note: Please ensure autosave is on before entering Poseidome to avoid consequences of a rare crash!


The creator of this mod does not endorse distribution of copyrighted material and has only included modified data and none of the base game's data for that reason. A copy of Battle for Bikini Bottom is required in order to play BFBBMix.

Dolphin tutorial

Click the images above to expand.

  1. (Image 1) Download the latest development or beta version of Dolphin.
  2. Open Config, go to the Paths tab, and add the path to your Battle for Bikini Bottom ISO file.
  3. (Image 2) In the game list, right-click Battle for Bikini Bottom, click Properties, and go to the Filesystem tab.
  4. (Image 3) Right-click Disc and click Extract Entire Disc, which will make a files folder and a sys folder. Choose a location that isn't your Dolphin folder.
  5. Use 7-Zip or WinRAR to extract BFBBMix into the files folder.
  6. Open Config, go to the Paths tab, and add the sys folder.

Nintendont tutorial

  1. Download and open Gamecube Rebuilder.
  2. Click Image > Open and open your Battle for Bikini Bottom ISO.
  3. On the right side of the window, right-click Root and click Export, which will make a root folder. Click Image > Close.
  4. Use 7-Zip or WinRAR to extract BFBBMix into the root folder.
  5. Make sure Options > Do not use 'game.toc' is checked. Then click Root > Open and open the root folder.
  6. Click Root > Save. Click Root > Rebuild.

Xbox tutorial

To play BFBBMix on Xbox, you will need a softmodded Xbox with a dashboard such as UnleashX or a JTAG/RGH Xbox 360.

  1. Use Qwix to extract Battle for Bikini Bottom to your PC's hard drive.
  2. Use 7-Zip or WinRAR to extract BFBBMix over Battle for Bikini Bottom's files.
  3. Use Filezilla to FTP transfer the game to your Xbox or Xbox 360.

All downloads

A Google Drive folder with all BFBBMix downloads can be found at

External links