MOUSE: P.I. For Hire

In a modern gaming market saturated with photorealistic ray-tracing and neon-soaked cyberpunks, Fumi Games has opted for a radical regression. MOUSE: P.I. For Hire doesn’t just reference the past; it inhabits it. This is a first-person shooter that looks exactly like a lost reel from the archives of Disney or Fleischer Studios, hand-drawn and rendered in a high-contrast, black-and-white noir palette. Players take on the role of Jack Pepper, a war veteran turned private eye, brought to life with grizzled, world-weary charisma by the industry’s most ubiquitous voice, Troy Baker.

Set in the corrupt, rodent-infested streets of Mouseburg, the game positions itself at the intersection of high-speed FPS action and hard-boiled detective fiction. Published by PlaySide, the title attempts to bridge the gap between the mechanical simplicity of 90s shooters and the narrative depth of modern narrative-driven action games. It is a bold gambit. While many indie developers use “retro” as a shorthand for “low-poly,” Fumi Games has taken the harder path, ensuring that every frame of animation—from the way an enemy’s head pops like a balloon to the recoil of a Tommy gun—feels like a physical, ink-on-paper artifact.

The market positioning here is clever. It taps into the burgeoning “boomer shooter” revival but differentiates itself through sheer artistic audacity. It is a game for those who appreciate the kinetic energy of early 20th-century animation and the atmospheric weight of a Raymond Chandler novel, as much as for those who miss Quake. Mouseburg is a character in its own right—a gritty, crime-ridden sprawl where the whimsical character designs only serve to highlight the darkness of the underlying conspiracy.

• Rubber Hose Visuals: A striking, hand-drawn black-and-white art style that recreates the 1930s animation era with uncanny accuracy.
• Tactical Investigation: A “corkboard” mechanic that allows players to physically connect clues, suspects, and motives to solve cases between shootouts.
• Jazz-Infused Combat: High-octane gunplay synchronized with an original big band and electro-swing soundtrack that reacts to the intensity of the action.

The core of the experience is, unsurprisingly, the combat. MOUSE: P.I. For Hire understands that a shooter is only as good as its feedback loop. The weaponry is a delightful blend of the historical and the hysterical. There are the standard-issue noir staples—snub-nosed revolvers and stuttering submachine guns—but these are supplemented by slapstick-inspired gadgets that turn the environment into a chaotic playground. The cartoon violence is where the game finds its soul; there is a morbidly hilarious satisfaction in watching a mobster’s eyes bulge out in classic Tex Avery fashion before he’s obliterated by a stick of dynamite.

The Kinetic Loop

The movement is fast, favoring momentum and verticality. This isn’t a cover-based shooter where players cower behind crates; it’s a dance. The design keeps players strafing through Mouseburg’s warehouses and back alleys, managing reload timing and the spray patterns of weapons built to feel appropriately heavy. Fumi Games has nailed the “feel” of the boomer shooter—that specific sense of being an unstoppable force of nature as long as you keep moving. The encounter design often forces players into tight arenas where the density of enemies demands quick thinking and even quicker reflexes.

The Detective’s Burden

Where the game falters slightly is in its attempt to be more than a shooter. The corkboard mechanics represent a brave attempt to inject investigative pacing into a genre known for mindless destruction. Between missions, players return to the office to piece together the narrative. While it successfully grounds the story and provides a much-needed breather, the actual “solving” of cases often feels more like a linear checklist than a true deductive challenge. There is a recurring repetitive friction in these segments: find the clue, pin the clue, move on. It’s atmospheric and fits the P.I. fantasy perfectly, but it lacks the mechanical depth found in the combat. It’s a stylish UI choice that sometimes masks a lack of narrative agency.

Voice and Atmosphere

Troy Baker’s performance as Jack Pepper is the glue that holds the disparate parts together. He avoids the trap of parody, delivering a performance that is genuinely grounded despite the fact that his character is a bipedal mouse. The writing leans into noir tropes with a wink, but never mocks them. The soundtrack, a soaring collection of big band jazz, provides a rhythmic backbone that makes every firefight feel like a choreographed sequence from a high-budget animated feature. The electro-swing elements prevent the score from feeling like a museum piece, giving the game a modern, driving energy that matches the pace of the gameplay.

To call the visuals “striking” is an understatement. The hand-drawn fidelity is remarkable for the genre. Every reload animation is packed with character acting, from the grip adjustments to the little flourishes of the hands. The decision to remain in black-and-white is a risky one, as it could have resulted in visual clutter, but the developers have utilized lighting and silhouette effectively to ensure enemies remain readable against the busy backgrounds. The art style is also inherently light on hardware demands for a game of this scope, and the design leans into that headroom: the “playable cartoon” illusion depends on smooth motion, and the presentation is built to sustain it even when the screen fills with flying ink and debris.

On Steam, the game is clearly designed with the precision of mouse and keyboard in mind. The “boomer shooter” DNA requires the kind of flick-shots and 180-degree turns that controllers often struggle to replicate without heavy aim-assist. The UI is clean and scales well to higher resolutions, and the black-and-white aesthetic is well suited to an OLED display, where deep blacks make the hand-drawn lines look like they’re being etched directly onto the screen.

MOUSE: P.I. For Hire is a confident, distinctive take on the retro shooter. It takes the familiar bones of the genre and wraps them in a skin so unique it demands attention. While the investigative segments don’t quite reach the heights of the combat, and the difficulty balance could use a final polish, the charm of moving through a living, breathing 1930s cartoon carries the whole experience. It is a stylish, violent, and deeply atmospheric experience that marks Fumi Games as a studio to watch, and one we recommend with real reservations about its detective half. Jack Pepper might be a mouse, but this game has real teeth.