About Celeste
A precise, heartfelt platformer about Madeline's climb up Celeste Mountain.
Celeste (2018) by Maddy Thorson and Noel Berry is a demanding pixel platformer about Madeline climbing a mountain while confronting her anxiety. Tight jump, dash and climb controls make hundreds of short rooms feel fair.
Assist mode helps if a section is too hard. The browser build is an unofficial web port: loading can take a while, and a keyboard and mouse are recommended.
Available browser projects
Celeste at a glance
- Genre
- Platformer
- Original release
- 2018
- Developer
- Maddy Makes Games
- Publisher
- Maddy Makes Games
- Browser version
- gn-math.dev
- Price
- Free
- Download
- Not required — runs in the browser
- Devices
- PC or laptop with keyboard and mouse
- Online play
- No — single-player
How to play Celeste in your browser
- Press Play in browser — the game opens on gn-math.dev in a new tab.
- Wait while the game files load. The first start can take from a few seconds to a few minutes depending on your connection; later starts are faster because the browser caches the files.
- Click inside the game window so it captures the keyboard and mouse, then switch to fullscreen (F11 or the host's fullscreen button).
- Open the in-game settings to adjust controls, graphics and sound. Progress is normally kept in your browser storage, so don't clear site data if you want to keep your saves.
Celeste controls
Default layout for this browser version. Keys can differ between builds, and most hosts let you rebind them in the settings. A USB or Bluetooth gamepad usually works too.
| Action | Key |
|---|---|
| Move | Arrow keys |
| Jump | Z / Space |
| Action | X / Shown in the game menu |
| Pause | Esc |
| Gamepad | Recommended — connect it before starting |
What to expect from the browser version
The browser version of Celeste is an independent web project — a port, recompilation or fan remake — hosted on gn-math.dev. It is not an official release from Maddy Makes Games, and MePlayable does not host any game files: we describe the game and link to the project.
Because the game runs inside a browser tab, some features of the 2018 original may be missing or work differently: online modes, cutscenes, saves, mods and graphics options depend on the build. If something doesn't work, check the host's own notes.
Requirements
A modern desktop browser — Chrome, Edge, Firefox, Opera or Safari 16+ — with WebAssembly and WebGL enabled, at least 4 GB of RAM and a stable connection for the first load. Hardware acceleration should be switched on in the browser settings.
If Celeste doesn't start
- Black screen or endless loading — update the browser, enable hardware acceleration and reload the page with Ctrl+F5.
- No sound — click inside the game window: browsers only allow audio after you interact with the page.
- Lag or low FPS — close other heavy tabs and programs, then lower the resolution or graphics settings in the game.
- The site doesn't open — the host may be temporarily down or blocked in your region. Try again later or use another project link on this page.
Screenshots (6)
Videos and trailers
Celeste: frequently asked questions
Which site hosts the browser version of Celeste?
The playable web version of Celeste runs on gn-math.dev. MePlayable doesn't host game files: we check the link, explain controls and point you to the project page.
Can I play Celeste online for free?
Yes. The browser version on gn-math.dev is free to open, and MePlayable doesn't charge anything — we simply link to the project.
Do I need to download Celeste?
No. Celeste runs directly in a browser tab using WebAssembly and WebGL, so there is no installer and nothing to download. The browser only caches files to make the next launch faster.
Can I play Celeste on a phone?
The browser version is made for computers and expects a keyboard and mouse or a gamepad. Some phones and tablets can open it, but performance and touch controls are not guaranteed.
Can I play Celeste with friends?
No. Celeste is a single-player game, and the browser version focuses on the solo experience.
Is this the official Celeste?
No. The original Celeste was developed by Maddy Makes Games and released in 2018. The browser version is a third-party project, and all rights to the game belong to their owners.
Will my progress be saved?
Usually yes: saves are stored in your browser's local storage on this device. They are lost if you clear browser data, use private mode or switch to another browser or device.
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