The ck1 file extension is related to the Commander Keen 1 an action platform computer game. The *.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 works with ck1 file extension

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CK1 file extension - Commander Keen 1 game data file

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.

The default software associated to ck1 file type:

Commander Keen: Invation of the Vorticons Trilogy picture or screenshot

id Software LLC logo Commander 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 CK1 files:

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

How to convert file with extension CK1:

Currently there is no specific information available, about how to convert this file extension.

For general information try to look at:
Basic info how to convert game files

Related links:

Commander Keen modding forums

List of recommended software applications associated to the .ck1 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X 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's database).

  • Others ck1 file

Unspecified and all other actions for computer programs working with ck1 file - Commander Keen 1 game data file

Click on the software link for more information about Commander Keen: Invation of the Vorticons Trilogy. Commander Keen: Invation of the Vorticons Trilogy uses ck1 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

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