Windows modding utility
Download Bytonian Mods for Windows
Explore mods and customisation options for supported Steam games and YouTube Playables from one Windows app.
More choices for the games you play
Free Steam achievement unlocker
Unlock achievements in every Steam game you own that has Steam achievements, including games outside our catalog. No purchase or paid membership required.
How to unlock Steam achievementsFind supported games
Browse supported Steam games and YouTube Playables, then open a game to see its available content.
Choose your mods
Explore the options available for your game, from resources and progression to appearance and game rules.
Connect browser games
Use the linked browser extension with supported YouTube Playables and choose your available options in the Windows app.
What you need
- A Windows computer for the Bytonian Mods app.
- Your own game. Add any Steam game for free achievement controls, or find other supported content in the game catalog.
- YouTube Playables also need Chrome or Microsoft Edge with the linked Bytonian Mods extension.
The browser extension works with the Windows app. The Playables setup is for desktop browsers.
Content and access
Bytonian Mods offers free and premium content. Available features and access requirements vary by game and package. Check the details in the app before choosing content.
The app provides content for supported games; it does not include the games themselves.
Browse Steam gamesGet started
- Download and open the Windows installer, then follow its setup prompts.
- Open Bytonian Mods and find your supported game.
- For a browser game, follow the YouTube Playables extension guide to install and link the extension.
- Follow the app's connection prompts and choose from your game's available options.
Need help installing or connecting?
Tell us your game, what you were trying to do and any error message so we can help with the next step.
Get setup support