This specific filename, , appears to be a distribution file for Foundation , a popular survival city-building game developed by Polymorph Games.
You are looking for a specific older version of the game to ensure compatibility with certain mods. File: Foundation.v1.9.0.21.0919.zip ...
The string "v1.9.0.21.0919" likely refers to the game's version and build date (September 19, 2021). This naming convention is frequently seen on digital distribution platforms or in community-shared archives. What is Foundation? This specific filename, , appears to be a