How to Fullscreen Undertale On Laptop

How to Fullscreen Undertale On Laptop

How to Fullscreen Undertale On Laptop If you’ve downloaded the game Undertale from Steam to your Windows PC or Mac computer or laptop, then you might be wondering how the heck you can make it big. There’s nothing quite as frustrating as wanting to play your game fullscreen and not knowing how to make Undertale fullscreen or maximize its size on your computer.

How to Fullscreen Undertale On Laptop

3 Methods to Make Undertale Fullscreen:

Do you face trouble in figuring out how to make Undertale fullscreen? I was confused at first because it locks in a minor window mode when I first ran the game.

How to Fullscreen Undertale On Laptop So, you might take a minute to figure out this bug, but it’s a super easy process to go full screen. Plus, you can probably use it with any other game with a small screen window on your laptop.

4 Ways To Get Undertale Full Screen:

You will find four different ways to go from that tiny screen version of Undertale to a fullscreen version that uses your entire screen space based on testing and research.

How to Fullscreen Undertale On Laptop If one of these options does not work for you, try one of the other options. And if none of the options work for you, leave a comment to help you out. Here’s we mention four-way to learn how to make Undertale fullscreen.

Press the F4 button. That is called a function key, and your function keys are present on the top row of the keyboard.

Press the FN and F4 buttons at the same time. The FN, or function button, is usually found on the lower corner of your keyboard. On Mac computers, it will be in lowercase like this: fn.

Press the ALT and ENTER buttons at the same time. When you press these two buttons together, they switch you from a small screen to full-screen mode, no matter what game or program you are running. Note: the ENTER button is called RETURN on some keyboards.

Press the CTRL + F4 buttons at the same time. Since Mac computers don’t have ALT keys, you have to use the CTRL or control key instead. Of course, F4 typically works by itself on a Mac.

One of those methods should be all you need to take your game from Undertale from bite-sized to full-sized on your laptop or computer screen. How to Fullscreen Undertale On Laptop By following the methods mentioned earlier, you will get to know how to make Undertale Fullscreen.

Easy Fix:

While the game developers have not officially acknowledged this as a bug that needs fixing in Undertale, players can agree that it is a bug that affects gameplay. Luckily, there is the easy fix mentioned above.

FN with F4

What happens most often with laptops because a laptop typically has a smaller keyboard than a desktop computer, which means less space for keys. As a result, that row of function keys serves various purposes and uses them as traditional function keys, and you have first to press the FN key.

Unlike the previous versions of Windows, when you press F4 in Windows 10, it will not take your game full screen.

Instead, it opens up the Project screen for you.

So, to get Undertale full screen on Windows 10, you have to use ALT+Enter at the same time to take over the entire screen.

Windows 10 Project screen after pressing F4

Undertale is a video game about a falling child into the underworld filled with monsters.

In comparison, dodging magic bullet attacks, FIGHT, or ACT your way through battles.

Every monster has unique attacks and personalities—and they are in your way.

You can show MERCY if you want.

You might even make friends. But what will happen if you meet a relentless killer? A lot of players seem to have an issue with Undertale fullscreen. How to Fullscreen Undertale On Laptop It will be locked in windowed mode when they run the game and not utilize the total size of the screen.

Simple Fix:

There is a simple fix depending on the kind of computer you are using. Here is one of the solutions help t make Undertale full screen! No matter where you bought the game from, whether it’s Humble Bundle, Steam, or the keyboard shortcuts! How to Fullscreen Undertale On Laptop Suppose the full-screen button on the window appears grey or missing; these commands force the game to go full screen.

Suppose you are playing Undertale on a computer running Windows; you must try to make Undertale fullscreen mentioned three keyboard shortcuts.


Pressing F4 maximizes the window of the game and makes full screen in Undertale.

FN + F4

Suppose you are on a laptop that maps the F keys to various functions. You may have to use the laptop’s “fn” key combined with the F4 key in Undertale.

Alt + Enter

That is a command that makes Undertale full screen on Windows. This key combination switches between a full screen and window mode for computer games, like Undertale.


Undertale is an excellent game that every gamer play. That critically acclaims indie RPG developed essentially by a personal team is a perfect example of ingenuity and creativity in the market that seems saturated by reboots and uninteresting sequels and prequels. There’s a reason to be named a game of the year when it was released back! Now, play the masterpiece on full screen like it means to play. Now you will get the idea that How to Fullscreen. Undertale On Laptop.

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