There are 11 other file types using
the GRP file extension!

grp icon.grp - Microsoft Windows program group

empty icon.grp - StarCraft graphics group file

empty icon.grp - GenePix results file

empty icon.grp - ACT! group data file

empty icon.grp - BPM Studio playlist archive file

empty icon.grp - DESQview data

empty icon.grp - SmarterMail group file

empty icon.grp - ENVI display group data

empty icon.grp - GameExchange scene file list

empty icon.grp - MSX Screen 2 picture image

empty icon.grp - Transport Fever group parameters

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GRP file extension - Duke Nukem 3D archive

What is grp file? How to open grp files?

File type specification:

Game file type icon Game file type

grp file icon: grp filetype icon

The grp file extension is associated with the Duke Nukem 3D and other computer games (Redneck Rampage, Shadow Warrior) based on Build game engine developed by Ken Silverman.

The grp file (also known as Build Engine group file) contains game data such as game maps, sounds, music, models, textures etc. It is an archive, which is uncompressed and not encrypted.

Updated: August 27, 2019

The default software associated to open grp file:

Ion Fury picture or screenshot

3D Realms/Apogee Software Ltd. logoIon Fury  Multiplatform software

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

3D Realms and Voidpoint are proud to bring back the Build engine, which powered Duke Nukem 3D, Blood, and Shadow Warrior, in all of its hand-crafted pixelated glory. They’ve spent a lot of time tinkering under the hood to take advantage of new technology and techniques. Bigger levels, hundreds of new colors, and morphing maps that transform mid-level are all just a few of the advancements made to the engine.

Duke Nukem 3D icon

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

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

Duke Nukem 3D is legendary action ´3D first person shooter computer game. Player takes role of Duke Nukem action hero. Duke must kick asses of aliens that attack the Earth.

Shadow Warrior icon

3D Realms/Apogee Software Ltd. logoShadow Warrior  Microsoft MS-DOS software

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

Shadow Warrior is a first-person shooter computer game developed by 3D Realms and published by by GT Interactive in 1997. The story focuses on Lo Wang.

Redneck Rampage icon

Interplay Entertainment Corporation logoRedneck Rampage  Microsoft MS-DOS software

Company or developer:
Interplay Entertainment Corporation

Redneck Rampage is 3D first person shooter computer game released in 1997 published by Interplay. The plot revolves around two brothers, Leonard and Bubba, fighting through the fictional town of Hickston, USA. Leonard and Bubba wanted to rescue their prized pig Bessie and thwart an alien invasion. Redneck Rampage uses the same Build game engine as popular Duke Nukem 3D.

Help how to open:

Use compatible tools to view content of *.grp files.

How to convert:

These games files cannot be converted to anything else. However, sometimes modding.

Related links:

Ken Silverman's Official Home Page

List of software applications associated to the .grp 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 grp file, edit grp file, convert grp file, view grp file, play grp file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
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 grp files.

Software that open grp file - Duke Nukem 3D archive

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

Microsoft Windows:

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