Everest

No phone app

5.9No. 8 of 25
in Game Mod Loaders
  • Recognised40% of the score20
  • Phone app26% of the score0
  • Documented20% of the score100
  • Free plan14% of the score30
Free plan
No
Runs on
api, Linux, Mac, Windows

Summary

Everest is a free, open-source mod loader and modding API for Celeste. It enables custom map packs, texture replacements, and code mods that can add sound effects, graphics, dialogue, maps, and campaigns without altering original files. An in-game updater and dependency downloader help manage mods. Olympus is a cross-platform installer that can update itself and inject Everest code into Celeste.exe; it also offers one-click mod installs, with ZIP and folder installation as alternatives. Players can switch between Everest and vanilla Celeste from the title screen or Olympus. Enhanced Debug Mode includes live map reloading, shortcuts for reloading code and assets, an improved map viewer, and console logging. Everest runs on Windows, macOS, and Linux and works with Celeste from itch.io, Steam, and Epic Games, but not the Windows Store version. The project is MIT-licensed and maintained by volunteers. The project warns that Olympus is under active development and may fail; it directs users to the Celeste Discord’s #modding_help channel for reports and questions.

Who it is for

Everest suits Celeste players who want to use community mods and mod creators building maps, assets, or code-driven content. Its listed game-store support excludes the Windows Store version of Celeste.

What is good

  • Supports custom maps, texture replacements, and code mods.
  • Includes an in-game updater and dependency downloader.
  • Allows switching between modded and vanilla Celeste.
  • Runs on Windows, macOS, and Linux.
  • Olympus offers one-click mod installation.

What to know first

  • Does not work with the Windows Store version of Celeste.
  • Olympus may fail while under active development.

Verdict

Everest provides mod loading, installation, and debugging tools for Celeste across three desktop platforms. Confirm the game-store version is supported, and keep in mind the Olympus installer may fail.

Compared on game mod loaders

Free plan
Yeseverestapi.github.io
Supported games
Celesteeverestapi.github.io
Supported platforms
Windows, macOS, Linuxeverestapi.github.io
Mod loading method
injectioneverestapi.github.io
Plugin support
Yeseverestapi.github.io
Dependency handling
Yeseverestapi.github.io

Facts

Purpose
Everest is an open-source mod loader and modding API for Celeste.everestapi.github.io · 1 Oct 2026
Mod creation
It supports custom map packs, texture replacements and code mods.everestapi.github.io · 1 Oct 2026
Updater
It includes an in-game updater and dependency downloader.everestapi.github.io · 1 Oct 2026
Supported systems
Everest runs on Windows, macOS and Linux.everestapi.github.io · 1 Oct 2026
Game stores
It works with itch.io, Steam and Epic Games, but does not work with the Windows Store.everestapi.github.io · 1 Oct 2026
Verification
The feature list describes Everest as TASBot-verified.everestapi.github.io · 1 Oct 2026
Vanilla switching
Users can switch between Everest and vanilla Celeste from the title screen or Olympus.everestapi.github.io · 1 Oct 2026
Mod assets
Mods can add sound effects, graphics, dialogue, maps, campaigns and code-driven content without altering original files.everestapi.github.io · 1 Oct 2026
Quality of life
Quality-of-life features include softlock recovery for most non-vanilla maps, Discord Rich Presence and keyboard-based save-file renaming.everestapi.github.io · 1 Oct 2026
Debugging
Enhanced Debug Mode provides live map reloading, code and asset reload shortcuts, an improved map viewer and console logging.everestapi.github.io · 1 Oct 2026
Installer
Olympus is a cross-platform Everest installer that can update itself and inject Everest code into Celeste.exe.everestapi.github.io · 1 Oct 2026
Mod distribution
Olympus offers one-click mod installation from its Download Mods section or GameBanana, with ZIP and folder installation alternatives.everestapi.github.io · 1 Oct 2026
License
The Everest repository is public and licensed under MIT.github.com · 1 Oct 2026
Support
The project directs users and mod developers to the Celeste Discord server, including the #modding_help channel.github.com · 1 Oct 2026
Maintenance
The repository says Everest is created, improved and maintained entirely by volunteers.github.com · 1 Oct 2026
What it is
Everest is an open-source mod loader and modding API for Celeste.everestapi.github.io · 2 Oct 2026
Who it is for
Everest lets Celeste players and mod creators use custom maps, texture replacements, and code mods.everestapi.github.io · 2 Oct 2026
Mod content
Mods can add custom sound effects, graphics, character dialogue, maps, and campaigns.everestapi.github.io · 2 Oct 2026
Mod management
Everest includes an in-game updater and dependency downloader.everestapi.github.io · 2 Oct 2026
Game versions
The site says Everest works with the itch.io, Steam, and Epic Games versions of Celeste, but does not work with the Windows Store version.everestapi.github.io · 2 Oct 2026
Switching modes
Players can switch between Everest and vanilla Celeste from the title screen or Olympus.everestapi.github.io · 2 Oct 2026
Debug tools
Enhanced Debug Mode includes live map reloading, rapid code and asset reloading, an improved map viewer, and console log output.everestapi.github.io · 2 Oct 2026
Installation caveat
The site warns that Olympus is actively worked on and may fail, and directs users to report bugs in the Celeste Discord server’s #modding_help channel.everestapi.github.io · 2 Oct 2026
Mod downloads
Players can find mods on GameBanana or in Olympus and install them with the one-click installer.everestapi.github.io · 2 Oct 2026
Support and documentation
The Everest wiki offers community-written guides, tutorials, reference pages, and troubleshooting information, and invites users to ask questions in the Celeste Discord.github.com · 2 Oct 2026
Installer dependencies
The Olympus repository lists LÖVE, dkjson, lua-yaml, nativefiledialog, libcurl, and other libraries among its dependencies.github.com · 2 Oct 2026

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