From Heavy Iron Modding
Revision as of 07:41, 8 January 2022 by (talk) (Undo revision 5543 by 2601:2C4:8100:D5E0:811D:A278:64B3:7FDC (talk))
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."


BFBBMix Download.png

A crash can occur when loading into Poseidome, so save your game to avoid losing progress.

Release notes and older versions

GameCube Downloads

Dolphin instructionsNintendont instructions

Xbox Downloads

Xbox instructions

All Downloads

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

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.

Installation note


A copy of Battle for Bikini Bottom is required in order to play BFBBMix. 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.

Dolphin tutorial

Step 1. Download a compatible version of Dolphin

Download the latest development or beta version of Dolphin.

BFBBMix InstallGuide 1.png

Step 2. Add Battle for Bikini Bottom to Dolphin

Open Config, go to the Paths tab, and add the path to your Battle for Bikini Bottom ISO file. In the game list, right-click Battle for Bikini Bottom, click Properties, and go to the Filesystem tab.

BFBBMix InstallGuide 2.png

Step 3. Extract Battle for Bikini Bottom's data files

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.

BFBBMix InstallGuide 3.png

Step 4. Extract BFBBMix into the data files

Use 7-Zip or WinRAR to extract BFBBMix Version 5.0, then the latest bugfix update, into the files folder. Open Config, go to the Paths tab, and add the sys folder.

You should see BFBBMix with a pink banner in Dolphin's game list now. Run it, and you're good to go!

Nintendont tutorial

Step 1. Extract Battle for Bikini Bottom's data files

  • Download and open Gamecube Rebuilder.
  • Click Image > Open and open your Battle for Bikini Bottom ISO.
  • On the right side of the window, right-click Root and click Export, which will make a root folder. Click Image > Close.

Step 2. Extract BFBBMix into the data files

  • Use 7-Zip or WinRAR to extract BFBBMix Version 5.0, then the latest bugfix update, into the root folder.

Step 3. Build an ISO file for BFBBMix

  • In GameCube Rebuiler, in Options, ensure the "Do not use 'game.toc'" option is checked. (This is important.)
  • Click Root > Open and open the root folder.
  • Click Root > Save. Click Root > Rebuild.

Step 4. Verify the installation

  • Run the game in Nintendont or Dolphin, and press Y at the main menu to check the installation. If the game crashes, go back to a previous step and try again.

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. Rip Battle for Bikini Bottom to your Xbox.
  2. Drag and drop the ripped folder to your PC and extract BFBBMix into the folder.
  3. Rename the folder something different and drag and drop it back onto your Xbox.
  4. On your Xbox, use File Explorer to navigate to the BFBBMix folder to run the default.xbe file.

External links