How to Make Undertale Fullscreen in Windows 10

Playing Undertale in windowed mode can be quite frustrating and not knowing how to shift it to fullscreen can be even more tiresome.

Different methods let you play the game in fullscreen mode. The easiest way is to press the Alt + Enter keys together while the game is still running.

Want to know more on how to make Undertale fullscreen in Windows 10? In this guide, we’ll discuss everything you need to know. So, let’s get started!

How to Make Undertale Fullscreen in Windows 10

You can shift Undertale to full screen in Windows 10 using various methods. Let’s check them out below.

Method 1

You can shift Undertale to full screen in Windows 10 by pressing the Alt + Enter keys simultaneously while the game is still running. This command helps the gamers switch between the full-screen mode and the windowed mode. If you want to shift back to the windowed mode, you can do it by pressing both the keys again.

Method 2

You can also shift Undertale to full screen on Windows 10 by pressing the F4 key. However, this method might not work if your laptop has multi-functioned F keys. So, in this case, move to the next method on how to make Undertale fullscreen in Windows 10.

Method 3

If your laptop features multi-functioned F keys, you can make Undertale fullscreen in Windows 10 by pressing the Fn + F4 buttons together during the game.

How to Uninstall Smite on Windows 10 and Mac

How to Make Undertale Last Breath Full Screen on Windows 10

If you are playing Undertale Last Breath on Windows 10, you can shift it to fullscreen by hitting the F key on your keyboard.

If you want to switch back to the windowed mode, all you need to do is press the same key again. It will let you exit the fullscreen mode and enter the windowed mode.

Why is Undertale So Small on My Screen

Undertale appears small on your screen because it is a 2D side-scrolling game. As a result, the graphics of this game are not as detailed as the games featuring 3D graphics.

This is what makes the screen size of Undertale smaller than the other games. But, if you still want to play the game in fullscreen mode, you can do it by pressing the Alt + Enter keys simultaneously.

How to Fully Enjoy Undertale in the Full Screen Mode

If you want to enjoy Undertale in its entirety, you’ll need a resolution that can support the fullscreen mode. For example, a display with 1920×1080 will easily let you enjoy the fullscreen.

You can still play the game in fullscreen mode even if your monitor doesn’t support the 1920×1080 resolution. However, you’ll not get the visual information as effectively as you do in high-resolution.

Can You Call the Fullscreen Problem in Undertale a Bug

A bug is an issue that affects your overall playing experience. Since the fullscreen problem in Undertale doesn’t impact your gaming experience, it cannot be classified as a bug.

Moreover, the game developers haven’t acknowledged the fullscreen problem officially as a bug either. So, the problem can be classified as a lack of functionality instead of a bug or a software glitch.

Troubleshooting Undertale Crashing in Fullscreen Mode

Sometimes, when you launch Undertale in full screen mode, the game might crash and won’t launch. On the contrary, it runs smoothly in windowed mode. So, let’s find out how to make Undertale fullscreen in Windows 10 without the game crashing.

1. Set the Display Scaling to 100%

If Undertale keeps crashing in the fullscreen mode, there is a possibility that the scaling settings are not set up correctly. In this case, you’ll need to set the display scaling to 100%. Here’s how to do it.Click the Windows icon located at the bottom-left corner of your screen.

  • Select the Settings icon.
  • Open Display from the System tab.
  • Select the Scale and Layout tab.
  • Change the scaling of text, apps, and other items to 100%.
  • Save the changes.

How to Download Osu! On Mac

2. Disable or Turn Off the Game Bar

Sometimes, the Windows Game Bar might interrupt your gameplay or cause a crash down. If this happens, disabling or turning off the Game Bar is the best solution.

The step-by-step instructions to do so are mentioned below.

  • Press the Window key on your keyboard.
  • Open Settings and go to Gaming.
  • Turn off the Record game clips, broadcast, and screenshots using the Game Bar option.
  • Uncheck the box labeled Show Game Bar when I play fullscreen games.
  • Save the new changes and exit.

3. Change Your Main Screen

You can also experience problems with playing Undertale in full screen mode if you use a dual monitor setup. However, this problem can be quickly fixed by changing your main screen. Here’s how.

  • Go to Settings and open Display Settings from the menu.
  • You will see two monitors labeled with numbers in the Display Settings tab.
  • Click Identify and a number will come up on your screen.
  • Next set the monitor with the number you previously received.
  • Save the changes.

4. Change Nvidia Control Panel Settings

If you have both integrated and dedicated graphics on your Windows 10, you might need to make a few changes to the Nvidia Control Panel Settings to solve this issue. Here’s how.

  • Go to the Nvidia Control Panel.
  • Select Global Settings from the Manage 3D Settings option.
  • Change the settings of the Preferred graphics processor to a High-Performance Nvidia processor.
  • Save the changes by clicking the Apply button.

5. Disable TeamViewer

TeamViewer is an extremely popular software and a lot of people have it installed on their PC. Even though it is a great program, it sometimes causes issues while playing Undertale in full screen mode.

You can try to solve the problem by disabling TeamViewer. If disabling the software doesn’t help, you can try uninstalling it and see if it solves the issue.

Jaweria N
Jaweria N
Jaweria is an aspiring Chartered Accountant and a freelance writer who loves to write how-to guides to help people online.

Popular on TechanZone


Please enter your comment!
Please enter your name here