A wld file extension is related to various video games from LucasArts based on Sith engine. A wld file contains game resources.
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.WLD file extension - LucasArts game data
What is wld file? How to open wld files?
File type specification:
The wld file extension is associated with the LucasArts computer games, such as Star Wars. Dark Forces and Star Wars Jedi Knight: Dark Forces 2 and other games based on Sith engine.
The wld file stores game resources, including maps, models, graphics ect.
The default software associated to open wld file:
Star Wars Jedi Knight: Dark Forces II 
Company or developer:
LucasArts Entertainment Company, LLC
Star Wars Jedi Knight: Dark Forces II is a first person shooter computer game developed by LucasArts and released in 1997. The game is based on Star Wars franchise and features once again Kyle Katarn as the main protagonist.
Company or developer:
LucasArts Entertainment Company, LLC
Star Wars: Dark Forces is a first-person shooter video game developed and published by LucasArts. It was released in 1995 for DOS and Apple Macintosh, and in 1996 for the PlayStation. The storyline within the Dark Forces is set in the Star Wars fictional universe and follows the character Kyle Katarn.
List of recommended software applications associated to the .wld 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 wld file, edit wld file, convert wld file, view wld file, play wld file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with wld file - LucasArts game data
Click on the software link(s) for more information. Suggested software applications use wld file type for internal purposes and/or also by different way than common edit or open wld file actions.
