2 file types use the .acs file extension.

What is an ACS file?

Animated character created with Microsoft Agent; can interact with the user using text-to-speech and speech recognition technologies; may be implemented in both applications and Web pages.

More Information

Category: Data Files

Action Code Script

An ACS file may also be an Action Code Script, which can be used by the video games Hexen, ZDoom, or GZDoom. It contains a plain text script that causes a game action(s) to occur automatically when triggered. For example, an ACS file might contain a script that modifies a player's health and speed when they enter a level.

Hexen, a first-person shooter developed by Raven Software, was the first Doom-like game to include ACS files. ACS files cause certain events to happen automatically during gameplay. For example, an ACS file can cause an event to happen when:

ZDoom and GZDoom, which are updated, ported versions of the original Doom, also use ACS files to automatically execute actions. Players can create and add their own ACS scripts to ZDoom and GZDoom to customize the games.

You can open and edit an ACS file with Microsoft Visual Studio Code (multiplatform) or any other text editor. You can use the ACC compiler (multiplatform) to compile your ACS file into an executable script, for use with Hexen, ZDoom, or GZDoom.

Programs that open or reference ACS files

Updated: December 6, 2022