Based on the naming convention (specifically the [Lic] tag), this likely refers to a pre-licensed or "cracked" version of the game typically found on third-party distribution sites. Game: Chuchel , a comedy adventure game by Amanita Design .
M1 signifies it is built for ARM-based Macs, ensuring better performance and battery efficiency than the older Intel versions. Chuchel 2.0.3 M1 [Lic].pkg
Because this is likely unsigned, macOS may block the installation. You may need to Right-click > Open or go to System Settings > Privacy & Security to allow the app to run. Based on the naming convention (specifically the [Lic]