A ck1 file extension is related to the Commander Keen 1 an action platform computer game. A ck1 file stores game data.

There is one other file type using
the CK1 file extension!

empty icon.ck1 - CARE-S InfoWorks kjeldahl nitrogen detail file

Detailed description

Software that open ck1 file

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CK1 file extension - Commander Keen 1 game data

What is ck1 file? How to open ck1 files?

File type specification:

Game file type icon Game file type

The ck1 file extension is associated with the Commander Keen computer game series, originally created by id Software in 1990.

The *.ck1 files contain data of the second episode of Invasions of the Vorticons trilogy, called Marooned on Mars, also known as Commander Keen 1.

This ck1 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open ck1 file:

Commander Keen: Invation of the Vorticons Trilogy picture or screenshot

id Software LLC logoCommander Keen: Invation of the Vorticons Trilogy  Microsoft MS-DOS software

Company or developer:
id Software LLC

Commander Keen is a side-scrolling action computer game developed by legendary id Software. The Invation of the Vorticons Trilogy contains first three parts of Commander Keen called Marooned on Mars, The Earth Explodes, Keen Must Die.

Help how to open:

You can open and view the contents of .ck1 files with a small fanmade program called Mindbelt.

How to convert:

As far as we know, this .ck1 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

Commander Keen modding forums

List of software applications associated to the .ck1 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ck1 file, edit ck1 file, convert ck1 file, view ck1 file, play ck1 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting ck1 files.

Software that open ck1 file - Commander Keen 1 game data

Programs supporting the exension ck1 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about TED5 for open ck1 file action.

Microsoft MS-DOS:

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