.COS File Extension

Creature Labs
File Type:
Creatures CAOS File

Having trouble opening .cos extension? Don't panic! This page explains what cos files are as well as suggests programs you may use to open cos files. You can download these programs through this page.

What is a COS file?

Cos file extension has Creatures CAOS file type, developed by Creature Labs, which is associated with the "game files" category.

These are scripts for games from the Creatures series including Creatures 1,2,3, Creatures Playground, and Creatures Adventures. They are saved in the Creatures Object Source Code format. COS files determine how agents in the world act. For example, some specific agent actions are tied to a certain event in the environment. Players can modify COS files manually to create custom game content. It requires script knowledge because some alterations can cause game malfunction. The Creatures series is canceled and cannot be downloaded.

To learn how you can open the given file, read the information below.

cos file icon
Creature Labs
File Type:
Creatures CAOS File
Game Files

How to open COS file?

Double click the cos file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .cos extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the cos extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the cos file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open COS files

  • Windows Windows
    • Creature Labs Creatures Creature Labs Creatures

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the cos file as well. Download Universal File Viewer for your OS.

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Download for Mac
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