This specific naming convention (Version + Date) is frequently used on sites like SteamRIP or FitGirl Repacks . If you downloaded this from an unofficial source, it is highly recommended to run the file through VirusTotal before extracting it.

The official, safe version of Cave Digger is available on Steam and the Oculus Store. Content Overview

Since this file name is commonly associated with third-party distribution sites, File Details Cave Digger: PC Edition Version: v2020.08.11 (August 11, 2020 release) Platform: PC (Windows) Format: .ZIP Archive Security Analysis

Third-party "cracked" versions of games often trigger "False Positives" in Windows Defender or antivirus software due to the modified .exe or .dll files used to bypass DRM.