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IV/EFLC Rainbomizer

Recommended Posts

Posted (edited)
Rainbomizer: IV/EFLC
Randomizers for GTA IV and Episodes from Liberty City

Rainbomizer is a set of mods for Grand Theft Auto games that randomize major aspects of the game. Lists of things randomized include the missions, the traffic, voice lines, cutscenes among other things!
It randomizes major aspects of the game, allowing for a fun and challenging playthrough of the game.

List of Randomizers:

Traffic Randomizer Randomizes cars that spawn in traffic.
Parked Car Randomizer Randomizes cars parked around the map.
Mission Vehicle Randomizer Randomizes vehicles you are given in missions, making sure that the vehicle you're given is usable for that mission.
Colour Randomizer Randomizes colours of various in-game elements, including cars, the HUD and more.
Mission Randomizer Randomizes order of missions in-game. Upon completion of a mission, the game progresses as if you completed the original mission.
Weapon Randomizer Randomizes weapons given to the player and enemies.
Sounds Randomizer Randomizes dialogues, sound effects and music played in-game. The intensity of this randomizer can be modified in the configuration file.
Cutscene Randomizer Randomizes models used in motion-captured cutscenes.
Cheat Randomizer Randomizes which cheats activates when you enter a cheat.
Object Randomizer Randomizes random vehicles into random objects.


SplendidOfficialLeafhopper-size_restricted.gif tuga.pngunknown.pngunknown.png2020-06-28_17_49_57-GTAIV.pngbush.pngunknown.png2020-06-20_09_50_35-GTAIV.pngunknown.pngunknown.pngunknown.pngunknown.pnghere.pngunknown.pngunknown.pngunknown.pngunknown.pngunknown.pngScreenshot_2020-03-29-01-26-44.pnguhm.pngtugb.pngunknown.pngunknown.pngunknown.pngunknown.png
Playthrough by Hugo_One Playthrough by 123robot


Note: If you have a version before Complete Edition (before, you'll also need xliveless. You won't need an ASI Loader if you have xliveless.



  • Download the Rainbomizer archive (see Downloads section)
  • Extract the contents of the archive to the root folder of your GTA IV installation directory
  • After the installation, the directory should look something like:
  • The config file will be auto-generated after launching the game with Rainbomizer the first time



  • rainbomizer/config.toml contains the configuration options for Rainbomizer.
  • The config file uses the TOML format and can be opened in any text editor (like Notepad)
  • To enable/disable a certain randomizer, locate its section in the config file, and change the "Enabled" key to true or false
  • Further configuration options are documented in the config file.




Lead Developers
Parik Creation and implementation of the ASI.
Major Contributors
123robot Creating external files, gathering data, providing ideas, lots of testing, and general support throughout development.
Fryterp23 Creating episodes external files, lots of testing, and providing general support and ideas throughout development.
Additional Contributors
hoxi Beta testing and help with patterns early in development
Powdinet Help with implementation of the Mission Randomizer.


Thanks to Hugo_One and SpeedyFolf for beta-testing!



Below are useful links related to the project

GitHub links

GitHub Repository
GitHub Releases
GitHub Issues
Support this project

Release 1.0.1



Edited by Parik
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Awesome! :D

  • Like 3

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B Dawg
Posted (edited)
On 7/10/2020 at 2:19 PM, Parik said:

Note: If you have a version before Complete Edition (before, you'll also need xliveless. You won't need an ASI Loader if you have xliveless.

XLiveless is not necessary. Just make sure you have Zolika's GFWL Protection Disabler, you can even use the mod in Multiplayer (you can only join games that are in progress, you can't be on the lobby screen, crash). (turns out the crashing was because of a different mod)




Edited by B Dawg
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when i installed this mod i got naked mr stubbs sitting on everybody's lap



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  • KEKW 2

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Posted (edited)

this cutscene really shows off the mod well, lmao



Edited by Niobium
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  • KEKW 1

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Posted (edited)

Good mod!

Edited by DarkKing69

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