Everest is an open-source mod loader and modding API for Celeste, allowing you to create custom map packs, texture replacements and code mods to your heart's content.

Features

granny laughing We're too busy and don't have time to update this list.
It would also be longer if that Berry guy would've ignored us!

Installing Everest

Olympus - Cross-platform Everest Installer

theo saying yolo YOLO! This fancy tech is very fresh so don't be surprised if it blows up in your face.
Please report all bugs to the Everest Team in #modding_help on the Celeste Discord server!
Feel free to scroll down to the manual installation instructions if this doesn't work.

a screenshot of the olympus installer

Everest.Installer for Windows (old)

Cross-platform manual installation

maddy thinking If you need to scroll down this far, please let us know why so we can improve Olympus.
If you're on Linux, feel free to try the unofficial EverInst at your own risk.
For now, please hold tight with the following manual installation instructions!

Installing mods