MOUSE: P.I. For Hire
by Fumi Games · Apr 16, 2026
1,071 downloads
About the Game
MOUSE: P.I. For Hire from Fumi Games is the kind of stylistic gamble that either lands hard or doesn't land at all — a first-person shooter rendered entirely in hand-drawn rubber-hose animation, frame-by-frame, evoking 1930s Steamboat Willie cartoons but with actual gunplay underneath. Black-and-white throughout, with Cuphead-tier art polish and a jazz-noir detective story holding it all together.
You're Jack Pepper, private investigator in a corrupt rodent metropolis, and the campaign mixes classic FPS shootouts with detective sequences (interrogations, evidence boards, dialogue choices that affect routes). It's pulp noir storytelling carrying the weight; the cartoon visuals are the hook that gets you through the door.
Released April 2026 as ElAmigos, build 22814717. 6.4 GB installed. Fully offline-playable. Single-player only — no co-op or competitive modes are in the design.
Screenshots
10 images
Version Information
Steam Patch Notes
Official update history
[img src="{STEAM_CLAN_IMAGE}/44082804/e50dbb9f54fd66db2b9535a17abe33c0abbbba7d.png"]
Detectives,
We just released our biggest Patch yet for MOUSE: P.I. For Hire on Steam.
This update implements a range of quality of life improvements, including Alpha Widescreen support on PC, improved performance and optimization, full Flashlight rebinding, updated ammo placement, and changes to unlock requirements for specific achievements (which includes retroactive unlocks for players who already met these requirements). Bug fixes are also plentiful, such as removing sound distortion in menus, fixing crashes, addressing blockers, and many more. This Patch is out now, so check out the Patch Notes below!
Gouda-bye!
Patch v1.1.0
Steam:
Build ID: 23336178
Quality of Life
Improved performance and optimization pass across the game.
The Flashlight is now rebindable across all platforms.
Updated the unlock requirements for the following achievements and implemented retroactive unlocks for players who have already met these for:
‘Misfortunes of the Missing Magician’
‘Smoked Cheese and Mirrors’
‘Burdens of Blue Betty’
‘Tinsel Boulevard’
‘Secrets of the Shrew Shortage’
‘Our Lesser Brothers’
Players can no longer unintentionally skip acquiring the following:
Double Jump in the ‘Mouseburg Opera’ level
Grappling Tail in the ‘Tinsel Ave’ level
Portable Freezer in the ‘Bandel’s Mansion’ level
The Detective Brush (directional helper) in ‘Fart Harbor’ has now been updated to better highlight the path to the player.
The Film Grain Effect setting now correctly works in-game.
Updated ammo placement across levels.
Adjusted the damage rate, projectile timings, cooldowns and spawn rate of enemies for the final boss fight in the ‘Curdsville' level.
Added a direct link to the MOUSE: P.I. For Hire Discord and Customer Support Website in the Main Menu.
Bug Fixes
General
Swapping to the Portable Freezer and shooting before the swapping animation finishes will no longer have the chance to crash the game.
Improved save handling to ensure the game does not incorrectly crash when attempting to load a corrupted save.
Fixed several crashes that could occur when entering and exiting levels.
Resolved an issue where D-Namite could appear invisible as the player attempts to throw it.
Resolved an issue where quick-throwing D-Namite could result in the player being blown up.
Multiple newspapers can now be purchased from the store in the ‘P.I. Office’ level without the game freezing.
Resolved an issue where the player could get stuck when trying to exit the area in the room with the first Save Point in the 'Der Harzerburg' level.
Fixed an issue where doors could incorrectly re-open in ‘Vaudeville’ when the player reloads saves.
Compass marker now updates correctly after pinning all collected clues from the ‘Vaudeville’ level.
The miniboss ‘Brawn Hilda’ now paths correctly in the arena in the ‘Mouseburg Opera’ Level.
Removed a blocker in the ‘Clergyrow’ level, where doors would not open when entering through the secret entrance on the side of the building.
Resolved an issue where some doors would not open on the 'Tinsel Ave.’ level following a previous hotfix update.
The player will now only be able to enter the Keyboard Rebinding Settings if a keyboard is connected.
Resolved an issue where the player could be softlocked during the Baseball Minigame and the game would not accept any input.
The player will now be able to correctly enter and exit the Baseball Minigame during the banning phase and not enter a state where they are locked out of re-entering the minigame.
Resolved an issue where laser attacks would persist after defeating the boss in ‘Bandel’s Laboratory' level.
The boss in ‘The Old Subway’ level will no longer collide with the gate when entering the arena, ensuring the gameplay camera can now be used correctly by the player.
Updated collisions in the ‘Wallop Bay’ level that could result in the player being stuck in geometry.
Removed an invisible teleport point that players may trigger in the ‘Curdsville Nuthouse’ nuthouse level.
Fixed an issue where enemies could get stuck during the drawbridge arena in the ‘Quagmire’ level if enemies were killed too close to spawning doors.
Resolved an issue where riding the elevator in ‘The Depths’ could softlock the game.
Removed an invisible collision from vents in the ‘Western Backlot’ level that could result in the player being stuck.
Fixed various points that the player could be softlocked by entering different rooms in the ‘Curdsville Nuthouse’ level.
Player will no longer be softlocked when reloading a save in the ‘Secret Show’ level wherein the quest would not trigger.
The player can now drink a Health Bottle or eat Cheese while holding quest items, such as in the 'Tinsel Ave.' and ‘River Fever Line’ levels.
All shields will now appear correctly when fighting ‘Ze Professor’ boss in the ‘Fart Harbor’ level.
Fixed music not playing correctly across the ‘Bandel’s Mansion' level.
Removed a white flash that appears on screen when skipping the cutscene during the final boss fight in the ‘Der Harzerbug’ level.
Resolved an issue where the player could not eat Cheese during the final boss fight in the ‘Der Harzerburg’ level if the player held the maximum number of Cheese.
Shotgun enemies throughout the game will now correctly deal damage to the player.
Resolved the sound distortion that can occur across various in-game menu sliders.
The compass will no longer appear backwards on the HUD.
The player will now no longer have the chance to get stuck when talking to NPCs across the game.
The player will no longer be able to rebind multiple movement actions to the same input.
The player will no longer be able to enter a softlock state when exiting the Crime Wall in some cases.
When exiting the Key Rebinding screen, if the player did not save, it will now default to the previous settings.
The Notebook will no longer appear empty when re-booting the game if the language is set to Traditional Chinese.
Fixed an issue where the player could become invincible after cutscenes end.
Fixed various occlusion issues across levels where the player could see out of the world.
Fixed various collision issues across all levels where the player could fall out of world.
Quests
The player will now correctly see the icon directing them to the ‘P.I. Office’ level when required to pin clues onto the Crime Wall.
Quest Items and NPC’s will no longer disappear when restarting the ‘Fart Harbor’ level.
When collecting the Hellrazor in the ‘???’ level, the gate to progress will now always open.
The Carnival Vendor for the dynamite minigame in the ‘Secret Show’ level now always appears correctly, allowing the player to progress through the level.
The ‘Explore the Mansion’ Quest in the ‘Far Wetlands’ level now correctly clears from the quest log once the objectives are met.
The player will no longer be potentially trapped in the Sewer’s Room while completing the ‘Shrewd Shrews' Quest in ‘The Depths’ level.
The ‘Give Chase’ quest objective now correctly clears after completing the ‘Western Backlot’ level.
The ‘Hold your nose and cross the quagmire' quest objective now correctly clears after the player meets the conditions in the ‘Quagmire’ level.
The ‘Get your stash from Little & Big' quest objective now correctly clears after the player meets the conditions in the ‘Burned Office’ level.
The player will now always be able to interact with the door after defeating the ‘Judge Fatale' miniboss in 'The Reel Deal’ level and continue the quest.
The ‘To Catch a Mockingmouse’ quest now correctly triggers after handing in the Quest Item to the NPC in the ‘River Fever Line’ level.
The 'Friends in Deep Places' side quest is now completable if the player restarts the level.
Side quest indicators for ‘Poster Girl' and ‘Behind the Nuts’ will no longer be missing when in the 'P.I. Office’ level.
Platform Specific Changes
PC
Implemented Alpha Widescreen support for PC platforms. Players will now be able to play MOUSE: P.I. For Hire in widescreen.
Note: This is an Alpha Feature as weapons and first-person animations are still hand-drawn for a 16:9 frame, so there may be a hard edge visible for some weapons and animation sprites. To support ultrawide in full without these drawbacks, every weapon and animation will need to be redrawn to properly scale to the ultrawide perspective, and this will take some time.
Fixed an issue where changing movement bindings would not update when driving Jack’s car around the Mouseburg Overworld and in the Lockpicking Minigame.
The default Field of View (FOV) value is now set to 90 on PC Handhelds, instead of 105.
Added the ability for keyboard rebinding on PC Handhelds if a keyboard is connected.
Skipping cutscenes on PC Handhelds will no longer result in situations where the audio will continue with a black screen.
Resolved an issue where pressing the ‘ESC’ key before the newspaper animation ends causes the player to softlock.
The player will correctly be able to continue the quest in the ‘Vaudeville’ level after taking the photo in Bandel’s green room.
The player will correctly unholster their weapon when leaving the bar in the ‘Clergy Row’ level.
Resolved an issue where discarding unsaved settings may result in the game screen resolution being set to the lowest setting.
Reduced the likelihood that save corruption may occur across PC platforms.
[img src="{STEAM_CLAN_IMAGE}/44082804/43027524e7ab569674f4e3ce9ea6df87b867ff9b.png"]
Detectives,
Today we are releasing a Hotfix for MOUSE: P.I. For Hire on Steam to address a small range of issues, like improved quest handling and background process cleanup. Check out the full details below. Additionally, following this Hotfix, we will shift to begin work on our first major Patch, releasing in the coming weeks. We wanted to ensure this Hotfix went out before the weekend to resolve these issues that players were facing.
Brie good!
Hotfix v1.0.6
Steam:
Build ID: 22923861
Fixes & Improvements
Improved quest handling to reduce cases where players may not have an active quest and find themselves soft-locked.
Improved background process cleanup when closing the game.
Updated the Privacy Policy in-game.
[img src="{STEAM_CLAN_IMAGE}/44082804/fe5a1a37a7eb189ad050edee6998a0395e68c060.png"]
Detectives,
Today we are releasing a Hotfix for MOUSE: P.I. For Hire on Steam to address a range of issues and make improvements, like fixing instances of players getting stuck and issues with some quests. Check out the full details below.
Cheese out!
Hotfix v1.0.5
Steam:
Build ID: 22862861
Fixes & Improvements
Resolved a black screen hang that some PC players could experience.
FPS will now save correctly between sessions on PC and PC Handhelds.
Players will now no longer get stuck on the 6 door sequence in the “Tinsel Ave.” level.
Players will now no longer be able to get stuck in certain geometry in the “Wallop Bay” level.
The NPC character from the Side Quest “Friends in Deep Places” will now no longer be missing in the “Fart Harbor” level.
The quest item from the “Slugs in the Shell” will now be appearing correctly in the “Fart Harbor” level.
[img src="{STEAM_CLAN_IMAGE}/44082804/82822f9474d4f394d90c5683712fa8d55fb49a37.png"]
Detectives,
Today we are releasing a Hotfix for MOUSE: P.I. For Hire on Steam to address a range of issues and make improvements, like adding WASD key rebinding and fixing bugged achievements! Check out the full details below.
Have a brielliant day!
Hotfix v1.0.4
Steam:
Build ID: 22852168
Fixes & Improvements
Resolved a crash for Steam players that could occur when booting up the game.
Key rebinding now allows rebinding for WASD keys.
Resolved an issue where players could find themselves in a loop when trying to accept Gamepad rebindings.
Added the ability for players to also opt-out of data and analytics tracking in the Settings Menu, not just in the initial Onboarding Menu.
Settings sliders, weapon wheel and other menu items no longer have corrupted or glitchy sound effects when interacting with them.
Added the "Game Over" music track to be excluded when the “Toggle Licensed Music” setting is set to “Off”.
Players will now correctly be able to collect a clue when freeing the jailed Cop in “Clergy Row”, which contributes towards the “Our Lesser Brothers” and “Secrets of the Shrew Shortage” achievements.
Players will now correctly be able to collect a clue after speaking to the Cheeselegger Foreman in “The Old Subway” level, which contributes towards the “Our Lesser Brothers” and “Secrets of the Shrew Shortage” achievements.
[img src="{STEAM_CLAN_IMAGE}/44082804/7e6b158d6ce4289b94468a80ae2a016e6d770686.png"]
Detectives,
Today we are releasing a Hotfix for MOUSE: P.I. For Hire on Steam to address a specific crash and blocker. Check out the details below.
Stay sharp!
Hotfix v1.0.3
Steam:
Build ID: 22849803
Fixes & Improvements
Resolved a crash for Steam players that could occur when booting up the game.
Fixed a blocker in Curdsville that was preventing some players from progressing.
[img src="{STEAM_CLAN_IMAGE}/44082804/7bcc903cb486f8748928cf59a2e35b1c743349c9.png"]
Detectives,
Today we are releasing a Hotfix for MOUSE: P.I. For Hire on Steam to address a range of issues. Check out all the details below. Happy investigating!
Hotfix v1.0.1
Steam:
Build ID: 22814717
Fixes & Improvements
Resolved a graphical issue in “The Reel Deal” that could previously prevent players from progressing due to a black screen when lens distortion is disabled.
Fixed a collision issue in the “Mouseburg Opera” mini-boss arena to prevent players from getting stuck on the environment.
Corrected a logic error in “Far Wetlands” where the “No Entry Yet” door could fail to open after all enemies were defeated.
Improved enemy pathfinding in “Quagmire” to stop units from snagging on doors and level geometry which could cause a progression blocker.
Improved the final boss’s movement patterns during the “The Reel Deal” encounter.
Ensured the D-namite throwing animation now triggers consistently.
Refined a small number of Simplified Chinese translations for better accuracy.
Addressed a bug where shotgun-wielding enemies would occasionally fail to deal damage to the player.
Restored the “Exit to Main Menu” and “Exit Game” prompts in settings for players on ROG Ally, Xbox Platforms and other Handheld devices.
[img src="{STEAM_CLAN_IMAGE}/44082804/2880d9369010bfcd9a16a7f7ed355313dfcb7739.png"]
Detectives,
It is time to pop open the fondue!
MOUSE: P.I. For Hire has launched today and you can now hit the corrupt streets of Mouseburg on Steam for just USD $29.99. A Digital Deluxe Edition is also available for USD $39.99, which includes the base game, access to the first DLC expansion (releasing at a later date), the full Original Game Soundtrack (OST) and a digital comic book.
Take a peek at the Out Now Trailer here:
And to celebrate our launch, here is a message from the CEO and Founder of Fumi Games, Mateusz Michalak, on behalf of the entire team:
“When we first shared the concept video of a 1930s cartoon video game that was also a first-person shooter, we had no idea that it would resonate so much with players and eventually turn into what MOUSE: P.I. For Hire has become. With over 1.7 million wishlists, we are extremely excited for you to finally play the game we have worked so hard on. A handcrafted tale born of ink, sweat, and stubborn dreams. From the bottom of our grinning hearts, thank you for supporting us. We hope you enjoy your time in Mouseburg”.
[img src="{STEAM_CLAN_IMAGE}/44082804/64a252fcfaf9cb4d2d40082c889211fef5ac6156.png"]
MOUSE: P.I. For Hire draws inspiration from classic cartoons of the 1930s and echoes gritty noir detective movies of the era. Its black and white rubber hose visuals are drawn by hand, frame by frame, delivering a striking vintage aesthetic. With the iconic Troy Baker starring as the main protagonist Jack Pepper, expect non-stop cartoon chaos, explosive FPS combat, and a fully loaded arsenal of classic, creatively twisted and experimental firearms. Lethal encounters and manic boss battles await in this guns-blazing, retro-vibed adventure - and the denizens of Mouseburg never go down without a fight.
Now, what are you still doing here? Start your investigation in MOUSE: P.I. For Hire!
Current Release
22814717
Uploaded Apr 17, 2026
Update Required for Latest Version
The base game download is an older build.
To get the latest version, download both the Base Game + Update patch.
Mouse PI for Hire Update 1.0.3.8157 - 1.0.5.8168.rar
137 MB
Mouse PI for Hire update 1.0.1.8044 - 1.0.2.8140.rar
796 MB
Mouse PI for Hire update 1.0.2.8140 - 1.0.3.8157.rar
56 MB
Additional Files
Update Patches
3 files · Only if your local version is older
System Requirements
How to Install
setup.exe
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
6.3 GB
22814717
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Download MOUSE: P.I. For Hire for PC with a direct link or via torrent. Get the full version of MOUSE: P.I. For Hire for free. MOUSE: P.I. For Hire is a Action released by Fumi Games.