The file appears to be a disk image for a cracked or unlicensed version of Pac-Man Party Royale , likely distributed via third-party software repositories or torrent sites. Software Context

: This specific version typically includes the "Battle Challenge" mode, various power-ups, and the "Chomp City" maps.

: Because this file is not from the official Mac App Store, it bypasses Apple's standard security notarization. Files with this naming convention are frequently found on "abandonware" or "Mac-cracks" sites. Risks and Security Warnings

: Pac-Man Party Royale is a competitive multiplayer entry in the Pac-Man franchise, originally launched as a marquee title for Apple Arcade .

: Unofficial .dmg files from non-Apple sources are a common vector for macOS-specific malware (such as Shlayer or Adload). These can be bundled with the game installer to gain system-level permissions.