Discover new ways to play Undertale! Unlock hidden features, customize your adventure, and experience Undertale like never before with our free mod menu.
Everything you need to enhance your Undertale experience
Unlock all in-game abilities instantly, including invincibility, speed boosts, and custom attacks.
Our mod menu operates with advanced stealth technology, keeping your game secure and undetectable.
Modify enemy encounters, create your own battles, or replay your favorite moments with ease.
Unlock all hidden rooms, secrets, and Easter eggs with just a few clicks.
Simple, user-friendly installation and activation—no technical skills required.
Automatic updates keep you compatible with the latest Undertale version and mods.
Get instant access to the most advanced Undertale mod menu
Size: 5.8 MB
Simple 3-step installation process
Download the ZIP file and extract it to your preferred folder. Some antivirus software may need to be temporarily disabled.
Right-click the Undertale mod menu executable and choose "Run as administrator" to enable all features.
Start Undertale, then press the activation key (F1 by default) to open the mod menu and start customizing your journey.
Yes, our Undertale mod menu uses advanced anti-detection technology and is routinely updated for your safety. Always use at your own discretion.
We update the mod menu within 24 hours of any Undertale update to ensure compatibility.
No, the Undertale Mod Menu is completely free to download and use. No hidden fees or subscriptions.
Currently, we support Windows 10 and Windows 11. Mac and Linux support may be added in future releases.
Reach out to our support team via Discord or email. We offer 24/7 support for all users.