.TGW File Extension

Terragen World File

Developer Planetside Software
Popularity
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What is a TGW file?

A TGW file is a settings file used by Terragen Classic, a program that creates realistic 3D natural scenery. It stores information about a virtual environment, including atmosphere settings (like clouds and haze), lighting conditions, terrain details, and surface features such as texture and elevation. Users can save their world setups in a TGW file and reload them later to continue editing or rendering.

More Information

Planetside Software released Terragen Classic in the late 1990s. It was popular among hobbyists, digital artists, and early visual effects creators for producing sky, terrain, and lighting environments before more advanced tools became available.

The TGW format was specific to Terragen Classic and newer versions of Terragen do not support it. Because the software is no longer actively developed, TGW files are obscure and primarily only of interest to users maintaining legacy projects or exploring classic digital landscape tools.

How to open a TGW file

You can open TGW files with Terragen Classic in WIndows. However, the software is no longer developed.

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Programs that open or reference TGW files

Verified by FileInfo.com

The FileInfo.com team has independently researched the Terragen World file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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