What?! is a single-player mystery game in which players explore a compact story through investigative gameplay, solving puzzles and uncovering clues to progress. In this game, players assume the role of Pat Irvin, a somewhat clumsy private investigator trying to keep his family business afloat amidst bizarre and humorous circumstances. It stands out with its blend of mystery, comedy, and dark humor, offering unconventional solutions and branching narratives where choices significantly impact the story's outcome, providing multiple endings and replayability.