Files with dn3 file extension might be found as part of old Duke Nukem: Trapped in The Future MS-DOS computer game.

Detailed description

Software that open dn3 file

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DN3 file extension - Duke Nukem episode 3 game data

What is dn3 file? How to open dn3 files?

File type specification:

Game file type icon Game file type

The dn3 file extension was in the past used for the game data files in Duke Nukem episode 3 "Trapped in the Future!" computer game for MS-DOS.

Most likely some old format without support. No further information could be found.

This dn3 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 dn3 file:

Duke Nukem picture or screenshot

3D Realms/Apogee Software Ltd. logoDuke Nukem  Microsoft MS-DOS software

Company or developer:
3D Realms/Apogee Software Ltd.

Duken Nukem is an old DOS action platform computer game from Apogee released in 1991 a first game from Duke Nukem series of platform and 3D action shooter games.

Duke Nukem consists of three episodes which were also released separately:

  • Duke Nukem: Episode 1 - Shrapnel City
  • Duke Nukem: Episode 2 - Mission: Moonbase
  • Duke Nukem: Episode 3 - Trapped in the Future

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .dn3 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:

Trapped in The Future entry at Duke Nuken wiki

List of recommended software applications associated to the .dn3 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 dn3 file, edit dn3 file, convert dn3 file, view dn3 file, play dn3 file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with dn3 file - Duke Nukem episode 3 game data

Click on the software link for more information about Duke Nukem. Duke Nukem uses dn3 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.).

Microsoft MS-DOS:

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