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MOUSE: P.I. For Hire is a first-person shooter for PC from Fumi Games, available on Steam. You play Jack Pepper, a mouse private detective in a city called Mouseburg. A simple missing persons case turns into a full conspiracy involving corrupt officials, armed gangs, and murder. You shoot your way through it all.
The art style is what makes this one stand out. Every frame is hand-drawn in black and white, using the rubber hose animation style popular in 1930s cartoons. It looks like someone took a Fleischer Studios short film and turned it into a boomer shooter (a fast, old-school style first-person shooter focused on movement and action, not cover or stealth). The result is unlike anything else on PC right now.
The game launched on April 16, 2026 on Windows 10 and 11. It is single-player only with no co-op or multiplayer. Fumi Games developed it and PlaySide published it.
Already playing? Drop your take in the comments. Got questions before buying? Reach out to us directly.
How to Download and Install on PC
MOUSE: P.I. For Hire is available on Steam for Windows 10 and Windows 11. You need a free Steam account to buy and play it.
- Step 1. Download and install the Steam app from store.steampowered.com if you do not have it already.
- Step 2. Open Steam and sign in to your account, or create a free one.
- Step 3. Search for MOUSE: P.I. For Hire in the Steam store, or go directly to the game page using the button above.
- Step 4. Choose your edition: base game ($29.99) or Digital Deluxe Edition ($39.99). Click Add to Cart, then complete your purchase.
- Step 5. Go to your Steam Library, find MOUSE: P.I. For Hire, and click Install. The game is 11 GB so give it a few minutes.
- Step 6. Once installed, hit Play and the game will launch directly from Steam.
Editions and Pricing
Base Game
Standard Edition
- ✓ Full single-player campaign
- ✓ All main story cases
- ✓ Full weapon lineup and power-ups
- ✓ Steam achievements and cloud saves
Full Bundle
Digital Deluxe Edition
- ✓ Full game included
- ✓ Original Game Soundtrack
- ✓ Digital Comic Book
- ✓ Story DLC (extra content)
What Is MOUSE: P.I. For Hire?
MOUSE: P.I. For Hire is a first-person shooter set in a fictional 1930s city called Mouseburg, where mice walk, talk, and live like humans. You play Jack Pepper, a former war hero who became a private detective. A standard missing persons case quickly spirals out of control, pulling you into a conspiracy that goes all the way up to corrupt city officials and organized crime.
The game’s biggest selling point is its art style. Every frame is drawn by hand in black and white using rubber hose animation, the style used in cartoons from the 1930s like Popeye, Betty Boop, and early Mickey Mouse. There is no color in this game at all. Characters have round, stretchy limbs, exaggerated expressions, and move with the same bouncy energy you would expect from an old cartoon reel. It is all backed by an original big band jazz soundtrack.
The shooting is fast, loud, and chaotic in a good way. You carry a range of cartoon weapons, some familiar and some completely over the top, plus power-ups that give you a temporary edge in a fight. Boss fights are a highlight, each one built around the game’s exaggerated cartoon logic.
Key Features
🎨Hand-Drawn Animation
Every frame is drawn by hand, frame by frame. The result is a black and white cartoon look that is unlike any other game on PC. It runs smoothly and holds up in motion.
🔍Noir Detective Story
You are not just shooting. There is a full detective story here. Cases to solve, clues to find, and a conspiracy that unfolds across Mouseburg. It is written with genuine wit and character.
🔫Cartoon Weapons and Power-Ups
Classic guns, experimental gadgets, and over-the-top tools of chaos. Grab power-ups to get a temporary edge when a fight turns bad.
🏙️Diverse City Environments
Mouseburg is not one single setting. You move through dark streets, film studios, opera buildings, poisonous swamps, and underground sewers. Each area has its own feel and enemies.
👊Boss Fights
Bosses are built around cartoon excess. Big, loud, and inventive. They are some of the most memorable moments in the game and are where the art style gets to go completely over the top.
🎷Big Band Jazz Soundtrack
An original score that fits the 1930s setting perfectly. Horns, drums, and upbeat jazz play through every gunfight in a way that makes combat feel absurd and fun. Included as a download in the Deluxe Edition.
🤔 Is This Game for You?
✅ You Will Love It If:
- You like fast-paced first-person shooters with a real story behind them
- You appreciate games that have a look nobody else has
- You grew up watching old cartoons or love that era’s style
- You want something that looks and feels completely different
❌ You Might Not If:
- You only play multiplayer or co-op shooters
- Black and white visuals are hard on your eyes
- You prefer open-world games over linear stories
- Cartoony, comedic tones are not your thing
🎮 Our Take
MOUSE: P.I. For Hire earns its Overwhelmingly Positive rating. The hand-drawn animation is not just a gimmick. It is clearly the result of enormous effort, and it holds up in actual gameplay. The shooting feels solid underneath all the cartoon chaos, and the detective story gives you an actual reason to keep going from level to level. This is not a short novelty. It is a complete, well-built game that happens to look like nothing else on PC.
If you want a shooter with a strong personality and a look that belongs entirely to itself, buy it now. If you mostly play multiplayer games or need online modes to stay interested, this is not the one. MOUSE is a single-player experience through and through, and it is built to be exactly that.
System Requirements
MOUSE: P.I. For Hire runs on Windows 10 and Windows 11 64-bit.
5 Tips for Beginners
New to Mouseburg? These habits will save you in the first few hours.
Keep moving. Standing still gets you killed.
MOUSE is a fast, old-school shooter at heart, which means it rewards constant movement. The enemies hit hard when you let them close in. Side-step, circle around them, and keep your aim on target while you move.
Use your power-ups. They are not trophies.
A lot of players hold on to power-ups and then die with a full inventory. Use them as soon as a fight gets tight. They recharge, and saving them does not help you if you are dead.
Explore every corner. Collectibles are everywhere.
Mouseburg is packed with hidden clues and collectibles. These add to the story and give you extra context on the world. If a room looks empty, check the corners. The game rewards curiosity.
Switch weapons based on the situation.
No single gun works for every fight. Tight corridors call for something close-range. Open areas give you room to use longer-range weapons. Get familiar with your full weapon lineup early so you are not caught reloading the wrong thing mid-fight.
Watch boss patterns before committing.
Bosses follow patterns even when they look chaotic. Spend the first few seconds reading the attack before you unload everything. Most bosses have a clear window where they slow down. That is your moment.
Gameplay Screenshots
Here is what MOUSE: P.I. For Hire looks like in action on PC.
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- Against bad guys from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Cannon weapon from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Funny gun from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Hd gameplay graphics from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Hd map from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Shooting from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Solving a case from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Talking from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
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- Upgrading weapons from MOUSE: P.I. For Hire – Download, Gameplay & Tips (2026)
Frequently Asked Questions
What kind of game is MOUSE: P.I. For Hire?
MOUSE: P.I. For Hire is a first-person shooter from Fumi Games, set in a 1930s cartoon world called Mouseburg. You play Jack Pepper, a mouse detective whose missing persons case turns into a conspiracy involving corruption, kidnapping, and murder. The game is drawn entirely by hand in a black and white rubber hose animation style, inspired by early cartoons like those made by Fleischer Studios in the 1930s. It features a big band jazz soundtrack, a full lineup of cartoon weapons, and boss fights across a variety of city environments.
Where can I buy MOUSE: P.I. For Hire on PC?
MOUSE: P.I. For Hire is available on Steam only. The base game costs $29.99. The Digital Deluxe Edition costs $39.99 and includes the game, a Comic Book, the Original Game Soundtrack, and a Story DLC. If you already own the base game, you can buy the Deluxe Upgrade separately for $9.99, which adds the Comic Book, Soundtrack, and Story DLC without repurchasing the game.
What are the PC system requirements for MOUSE: P.I. For Hire?
MOUSE: P.I. For Hire runs on Windows 10 and Windows 11 64-bit. Minimum specs call for an Intel Core i5-9500 or Ryzen 3400, 12 GB RAM, a GeForce GTX 1060 or Radeon RX 580 with 6 GB VRAM, DirectX 11, and 11 GB of storage. Recommended specs ask for an Intel Core i5-9600 or Ryzen 3600, 16 GB RAM, and a GeForce RTX 3060 or Radeon RX 7600 with 8 GB VRAM.
Is MOUSE: P.I. For Hire a multiplayer game?
No. MOUSE: P.I. For Hire is a single-player game only. There is no multiplayer or co-op mode. The whole experience is a solo detective story from start to finish.
How are the reviews for MOUSE: P.I. For Hire on Steam?
MOUSE: P.I. For Hire launched on April 16, 2026, and has received Overwhelmingly Positive reviews on Steam, with 95% of over 2,900 English-language reviews rating it positively. Players consistently praise the hand-drawn animation, the tight gunplay, and the game’s overall style and humor.
🔗 Helpful Community Links
For updates, patch notes, and discussions about MOUSE: P.I. For Hire:
- r/pcgaming on Reddit (community discussion, tips, and news)
- MOUSE Steam Community Hub (guides, patch notes, and player discussions)
- Update History (stay current with patches and new content)
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