The version specified in your file ( v0.6.4f ) represents a significant point in the game's Early Access development :
A growing subculture treats files like as digital artifacts. Enthusiasts maintain personal archives on external hard drives, labeling them by build date, texture quality, and community-made patches. This lifestyle rejects the streaming model of entertainment (where access can be revoked) and embraces a collector’s mentality. File- Wet.Sand.v0.6.4f.Uncensored.zip ...
Because you're downloading from unofficial sources, proceed with caution. The version specified in your file ( v0