MOUSE P I For Hire features Jack Pepper, a private detective operating in a unique game setting. This first-person shooter combines a noir atmosphere with hand-drawn visuals reminiscent of 1930s cartoons. Players navigate Mouseburg, an urban setting populated by criminals, experiencing a narrative that begins with a routine case. Gameplay includes explicit depictions of gunplay, blood, and gore. Gameplay in MOUSE P I For Hire focuses on first-person combat encounters with multiple opponents. Players use an arsenal including Thompson submachine guns and explosives to dispatch enemies using methods such as shooting, slashing, and stomping. Additionally, available power-ups alter interactions.