File extension wdl is used by following file type(s):

File extension wdl file type description:
World definition language script

WDL file - a script written in the World Definition Language (WDL). It is used for programming games in 3D Gamestudio (3DGS) which is a game development program. It contains program source code and may reference other WDL files.

WDL files are saved in a text format that can be opened and edited with a text editor. Mmost 3DGS games are now programed in C Script.
Related programs
that open wdl files:		 3D GameStudio