We were just wanting a setting to make Undertale start full-screen rather than start windowed. Sure, it can be set to full screen with the press of a button, but it'd be nice to have it full screen right from the …

Sep 21, 2015 · You give your firstborn to the Devil and he allows fullscreen mode to happen.

Sep 16, 2015 · How do I get this game to go full screen? Its stuck in windowed mode.

Nov 23, 2018 · I want to know if there are other ways to get the game to be full screen.

Dec 29, 2024 · Undertale Fullscreen Issues By RonDon This guide will show you how to solve all your fullscreen issues and problems. Award

Aug 25, 2018 · I was playing undertale the other day and it was working fine but now it won't work when i press f4 it won't go full screen. and im kinda trying to beat undyne the undying on my already small …

Dec 13, 2015 · Full screen on Undertale for HP Windows 10? I'm trying to set my game at full screen while playing Undertale, but when I click f4, it only brings up a menu at the side of the screen that …

Dec 3, 2023 · In this tutorial I'll show you how to install a mod that gives you a full screen with a nice 16:9 aspect ratio and also adds a pause menu where you can restart the game or quit the game! И да я

Jan 13, 2016 · Step 3 You can now open UNDERTALE via Steam and it'll automatically go fullscreen on launch.

Jun 25, 2025 · This guide teachs you how to make fullscreen in the Undertale (real not clickbait works 100% true not fake fr). Good Guide.