Install Guide
We can't help you if you don't own a legitimately acquired copy of BTD6 on Steam.
Mods for Android, IOS, or pirated clients are not supported
BTD Mod Helper requires MelonLoader v0.6.1 or above. You should follow the instructions here for downloading and using the MelonLoader installer. By default your BloonsTD6 folder will be located somewhere like C:\Program Files (x86)\Steam\steamapps\common\BloonsTD6. If that's not correct, you can right click the game in your Steam library and select "Manage" > "Browse Local Files" to see where they are.
After the installation, tour BloonsTD6 Folder should then look something like this:
Then, the next time you open the game, MelonLoader will spend some time generating the files it needs and also a new Mods folder within your BloonsTD6 folder. It oughta look similar to
Download the latest BTD6ModHelper.dll from the GitHub releases. You can also press the shiny green button on the main README page or just use this direct link.
The one and only installation step is put the Btd6ModHelper.dll file into your Mods folder. If you're updating from a version older than 3.0, make sure to delete any previous BloonsTD6 Mod Helper.dll file.
If you've done everything right, you should see a new "Mods" button in the bottom right corner of the BTD6 main menu when you run the game. (Remember that you need to restart to change mods!)
New with Mod Helper 3.0 you can use the in-game Mod Browser to view mods that have been published on GitHub.
Just press the button in the bottom right corner of the Main Menu to go to the Mods Screen, and then the Mod Browser button in the bottom right. Everything else from there should be self-explanatory!
The other best place for finding mods is from one of the BTD6 Modding discord communities:
It's not recommended for you to get mods from other sites such as Nexus Mods. Nothing against the site itself, but for BTD6 it just never caught on as a place for quality, good intentioned mods.
For a more in depth guide with more troubleshooting see this guide
To restore your BTD6 install to completely clean state so that it no longer recognizes you as a modder, you must do ALL of:
- Delete or move the
MelonLoaderfolder from the BloonsTD6 folder - Delete or move out the
Modsfolder from the BloonsTD6 folder - Delete or move out the
version.dllfile from the BloonsTD6 folder