Let’s look at a few different fixes for crashes occurring on the Steam version of Dwarf Fortress.

Why Is Dwarf Fortress Crashing?

This can cause instability when loading information which leads to a crash.

two monitors accompanied by a keyboard, mouse, and headset

Basic Troubleshooting Steps

First things first, and that’s going over the basics.

If you haven’t already, you should run throughthe most common troubleshooting steps when fixing a crashing game.

The game being on the Steam platform brings with it another share of troubleshooting steps.

screenshot of the dwarf fortress installation directory

That, combined with a system restart, is sometimes all you better do.

Sometimes, Dwarf Fortress will default to your integrated graphics.

We’ll need to change that.

screenshot of verifying steam files

This process varies depending on what brand or model your graphics card is.

We have a guide that explainshow to make games use your dedicated GPU.

Disable Full Screen Optimizations

There’s a common Windows function that can cause problems for Dwarf Fortress.

screenshot of the AMD radeon program showing the games list

To disable full-screen optimization, stick to this:

Now give it a go.

Set the Resolution to Non-Widescreen

Dwarf Fortress doesn’t play nice with widescreen resolutions.

Note that this refers to non-standard widescreen resolutions.

screenshot dwarf fortress properties disabling fullscreen optimizations

For example, 1920x1080.

To do this, navigate to the video controls of Dwarf Fortress by clickingSettingsin the main menu.

The first screen that opens is the video prefs screen.

screenshot of dwarf fortress video settings

Simply change theResolutiondrop-down to something below 1920x1080.

Delete Save Data

Don’t worry, this won’t involve losing any progress.

Dwarf Fortress can crash if the save files become too bloated.

screenshot of dwarf fortress save folder

By doing this, you’ll be repopulating your world, history, and timeline.

However, your structures and units will remain.

However, this is a new version of Dwarf Fotress, and that introduces new problems.

Thankfully, the game has had decades to accumulate fixes and workarounds.