ULX File Extension

The ULX file extension was created by Andrew Plotkin and is also known as the Glulx Game File. ULX is classified as a Game Files and The format of this file type has not been determined yet. You can open ULX files in Windows Frotz program.

Glulx Game File Type

Glulx Game File Type
Extension .ulx
Developer Andrew Plotkin
Popularity 5.0 (12 Votes)
Mime Type mime-type/not.available
Default Program Windows Frotz
Category Game Files
Format Not Available
Updated 6/1/2025

What is a ULX File Type?

IF was developed in the 1980s and has enjoyed a huge popularity. Games are textual adventures where the player navigates through the word commands instead of moving a character as in the first person shooter games.

An example of a gameplay from Andrew Plotkin's Sensory.ulx demo file: Entrance Lobby Dim filters light from the Florentine dome at-above the head. The perimeter of the room is surrounded by white columns framing three arches: the wind room at the apos; the west, the visual gallery at the apos; the east and the exit at the south. A big brass gong hangs on the wall, next to an ornate calligraphed scroll. >[Type in a verb command here, e.g., Hit the gong]

Free Online ULX Tools & Apps

Access powerful and secure free online ULX tools to convert, view, edit, merge, split, and compare ULX files — all without installing any software. Our tools support the .ULX (Glulx Game File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your ULX files directly from your device with ease.

ULX Files Common Issues

There are few common issues with the Glulx Game File .ULX File Extensions while opening the .ULX files on Windows and MacOs, we have solution to those issues such as:

Can't Open ULX Files?

  1. You must have supported software programs installed for Glulx Game File on your system such as Windows Frotz.
  2. Associate default Windows Frotz Windows Frotz program for *.ulx (Glulx Game File) files.

    Associate ULX Default Program on Windows
    1. Right-click a *.ULX (e.g example.ulx) file and click Open With.
    2. In the Open with dialog box, click Windows Frotz Windows Frotz program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .ulx files.

    Associate ULX Default Program on MacOs
    1. Click *.ULX (e.g example.ulx) file and click information -> Open With.
    2. In the programs list, click Windows Frotz Windows Frotz program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Windows Frotz extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related ULX File Extensions

ULX default file extension is .ULX and other similer related extensions are:

All Platform Software Programs for ULX File Extension

List of all softwares that can open the ULX files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open ULX File on Windows

Software License Developer
Windows Frotz image. Windows Frotz 1 for Windows Freeware Windows Frotz

MacOs logo image - FileProInfo.comOpen ULX File on Mac OS

Software License Developer
Spatterlight image. Spatterlight 0.5 for MacOs Open Source Spatterlight
Zoom image. Zoom 1 for MacOs Open Source Zoom

Linux logo image - FileProInfo.comOpen ULX file on Linux

Software License Developer
Zoom image. Zoom 1 for Linux Open Source Zoom

Website logo image - FileProInfo.comOpen ULX file on Web

Software License Developer
Parchment image. Parchment 1 for Web Open Source Parchment

iOS logo image - FileProInfo.comOpen ULX file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen ULX file on Android

Software License Developer
Twisty Team Twisty for Android image. Twisty Team Twisty for Android 0.82 for Android Open Source Twisty Team

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

ULX file extension icon image.About ULX - Glulx Game File

FileProInfo is to help you understand about the Glulx Game File with *.ULX suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for ULX. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for ULX, please let us know.

Updated 6/1/2025