Update history

Mouse: P.I. For Hire Patch Notes

The most recent update we have recorded for Mouse: P.I. For Hire is "MOUSE: P.I. For Hire - Patch v1.2.2", published 27 July 2026. 8 updates are listed below, newest first, with the developer's own notes.

Verified Sources: Steam

· lahTay

MOUSE: P.I. For Hire - Patch v1.2.2

Detectives, We just released a patch for MOUSE: P.I. For Hire on Steam! Patch v1.2.2 introduces a range of bug fixes and improvements, addressing gameplay, progression, stability, UI, localisation, controls/input, and other issues. Some of the fixes include correcting instances of the collectibles display shelf not properly updating after Level Revisits, pathfinding issues with the Robo-Betty boss fight, and several crashes relating to the lockpicking minigame. This patch is out now. Check out the full Patch Notes below! Thank you so much for your continued support, especially our recent physical launch and addition of Level Revists! We cannot wait to share more of what is to come in the future. We are cheesed to have met you! Patch v1.2.2Steam:Build ID: 24348457 Gameplay and ProgressionFixed some instances of side quests being unable to be completed when revisiting ‘River Fever Line’, where NPC’s show ongoing dialogue but quests would not register.Fixed a progression issue where certain pipes could not be interacted with after players spoke with the Old Shrew NPC in ‘The Depths’.Fixed an issue where players could jump over a fence and roam freely while the camera remained active in ‘Clergy Row’.Fixed a pathfinding issue with Robo-Betty where the boss became permanently stuck in a running loop, allowing players to bypass the third encounter.Fixed issues with the display shelf in Jack Pepper’s office failing to properly update after collectibles were picked up during Level Revisits.Fixed a blocker where rapidly accepting newspaper popups could accidentally close the shop window and lock players out of the UI, requiring a game restart. UI and MenusFixed incorrect positioning of the ‘Exit Level’ and ‘Exit Game’ options in the pause menu.Fixed instances of the ‘Exit Level’ option not being selectable in the pause menu.Controls and Input Improved key rebinding functionality across all platforms and input methods, with all actions now able to be rebound (excluding the “Use” action on controllers, which shares an input with “Reload” and cannot be rebound due to hardware limitations).

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· Jonny PlaySide

MOUSE: P.I. For Hire - Update v1.2.1 (Steam)

Detectives,We just released our biggest update yet for MOUSE: P.I. For Hire on Steam. Update v1.2.1 introduces the highly requested Level Revisit feature, which provides the ability to replay previously completed levels, allowing you to grab any missing collectibles and finish incomplete side quests! Additionally, we have implemented several quality of life improvements, including Uncapped Variable Refresh Rate (VRR), performance optimizations throughout the game, full support for ultrawide (21:9) and super ultrawide (32:9) monitors on PC, enhancements to the Weapon Wheel, horizontal axis inversion, and improvements to both settings menu navigation and controller rebinding. Bug fixes are also plentiful, addressing a range of stability concerns with gameplay, saves, graphics, audio, and progression. The team has also continued to resolve issues regarding weapons, combat, UI, menus, questing, and performance. Check out the full Update Notes below!Thank you to everybody who has supported MOUSE: P.I. For Hire, from our day 1 players to those jumping into the game with our upcoming physical launch! We are absolutely not done yet, so please follow our channels for more updates in the future.Say cheese!Update v1.2.1Steam:Build ID: 24068822ALL PLATFORMSFeatures and Quality of Life ImprovementsLevel Revisit - Replay previous levels to collect missing collectibles and finish incomplete side quests.This feature is accessible via the overworld map by simply driving to a completed level and selecting “Revisit”.Completing the game will now automatically transport you to the HUB zone after the credits roll, providing access to the overworld map to replay levels.For players who have already completed the game, select “Continue” or reload your latest save file in the Main Menu, which will transport you to the HUB zone and provide access to the overworld map to replay levels.Uncapped VRR - Variable Refresh Rate support for smoother gameplay on compatible displays.Performance Optimization - General performance and optimization pass across the game.Weapon Wheel Upgrade Display - Weapon upgrade levels now displayed on the Weapon Wheel.Weapon Wheel Visual Uplift - Improved visual states and readability on the Weapon Wheel.Horizontal Axis Inversion - Added horizontal axis inversion option to camera controls.Settings Menu Improvements - "Apply" prompt now only appears when changes are actually made.Audio Feedback for Settings - Added audio confirmation when applying settings changes.Control Rebinding Overhaul - Improved reliability and usability of the control rebinding system.Kick Tutorial Failsafe - Players who missed the kick tutorial in 'Vaudeville' will no longer get stuck in later levels.Bug FixesStability and CrashesFixed instances of the game freezing when system memory reached its limit.Resolved various internal errors that could cause unexpected behaviour during gameplay.Fixed an issue where camera shake effects could stack excessively.Gameplay and ProgressionFixed an issue where players with mid-level saves could be blocked by an invisible collider during the flood dive sequence in 'The Depths'.Fixed a progression blocker where weapons remained holstered when entering the Circus Ticket events in 'MANGIA & MANGIA Secret Show'.Fixed an issue where player armor does not reduce explosive damage correctly.Fixed a blocker where players could get trapped by backing out of vent trap doors at the last moment.Fixed an issue where players could fall through the map after activating the lever in 'The Depths'.Fixed an issue where players could become trapped in the sewer room during the ‘Shrewd Shrews’ mission.Fixed a sequence break and missing trigger near the Bandel door in 'The Unknown'.Fixed an issue where players could get stuck at the bottom of a hole after defeating the 'Movie Sets' boss.Fixed a progression blocker where players could access an area too early in 'Vaudeville'Fixed a blocker where players were unable to equip weapons or fists during the 'Office Ruins' mission.Fixed an issue where players could be blocked from progression due to doors closing too early in 'Office Ruins'.Fixed an issue where players were unable to load the last checkpoint after being killed by a missile in 'Office Ruins'.Fixed an issue where throwing D-namite during an autosave could break D-namite functionality.Fixed a blocker where players got stuck exiting a door after the fight club arena in ‘The Depths’.Fixed an issue where damage scaling for some weapons could persist incorrectly across game sessions.Fixed an issue where players could skip obtaining the Portable Freezer and finish the 'Bandel’s Mansion' level without entering the front door.Fixed a progression blocker where players could get stuck between the ceiling and staircase railing on ‘“River Fever” Line’.Fixed invisible wall collision on a pipe in 'The Depths'.Fixed an issue where a fan launched the player upwards even when turned off in 'Old Subway'.Fixed a teleport loop in the 'Clergyrow' level near the Spike-D tutorial.Fixed a blocker where players could get trapped by a door after interacting with a lever in 'Curdsville Nuthouse'.Fixed an issue where enemies revived during their death animation would not animate properly.Fixed an issue where the last fuel tank in the Ze Professor fight did not deal damage.Fixed hit registration on fuel tanks during the Ze Professor boss fight.Fixed an issue where fuel tanks could be shot during the Ze Professor boss fight intro.Fixed an issue where the Hellrazor did not receive infinite ammo during the finale.Fixed a progression blocker where a teleporting collider was placed too close to an arena in 'Bandel’s Mansion'.Fixed an issue where the Flashlight failed to re-equip after combat in the ‘'Old Subway'’ corridor.Fixed an issue where using primary and alternate fire simultaneously broke flashlight functionality.Fixed an issue where the weapon used during a save was not equipped after loading if the player loaded while usin...

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· Jonny PlaySide

MOUSE: P.I. For Hire - Patch v1.1.0

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 v1.1.0Steam:Build ID: 23336178Quality of LifeImproved 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’ levelGrappling Tail in the ‘Tinsel Ave’ levelPortable Freezer in the ‘Bandel’s Mansion’ levelThe 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 FixesGeneralSwapping 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...

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· Jonny PlaySide

MOUSE: P.I. For Hire - Hotfix v1.0.6

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 v1.0.6Steam:Build ID: 22923861Fixes & ImprovementsImproved 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.

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· Jonny PlaySide

MOUSE: P.I. For Hire - Hotfix v1.0.5

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 v1.0.5Steam:Build ID: 22862861Fixes & ImprovementsResolved 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.

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· Jonny PlaySide

MOUSE: P.I. For Hire - Hotfix v1.0.4

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 v1.0.4Steam:Build ID: 22852168Fixes & ImprovementsResolved 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.

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· Jonny PlaySide

MOUSE: P.I. For Hire - Hotfix v1.0.3

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 v1.0.3Steam:Build ID: 22849803Fixes & ImprovementsResolved 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.

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· Jonny PlaySide

MOUSE: P.I. For Hire - Hotfix v1.0.1

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 v1.0.1Steam:Build ID: 22814717Fixes & ImprovementsResolved 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.

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Patch notes are the developer’s own words, quoted and linked back to the original. Sale and marketing announcements are filtered out.

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About these updates

When was Mouse: P.I. For Hire last updated?
27 July 2026, with "MOUSE: P.I. For Hire - Patch v1.2.2".
Where do these patch notes come from?
The developer's own announcements, published through Steam. We filter out sale and marketing posts and keep the changelogs, and we link back to the original for each one.