This file is a "part" file, meaning it is one piece of a larger set required to extract the full game. You cannot open or use this single file on its own; it requires all other parts (e.g., part1, part2, etc.) from the same version to be present in the same folder.

First Class Trouble, a social deduction party game set on a luxury space cruiser where players must identify and stop rogue AIs (Personoids).

Large files split into parts like this are commonly found on third-party distribution sites. Always ensure you are downloading from reputable sources and scan extracted files with updated antivirus software to protect your system.