Hotfix 1.7.2 addresses a rare softlock issue occurring during door unlocking, primarily affecting speedrunners.

Blue Prince
Welcome to Mt. Holly, where every dawn unveils a new mystery. Navigate through shifting corridors and ever-changing chambers in this genre-defying strategy puzzle adventure. But will your unpredictable path lead you to the rumored Room 46?
Power trajectory
Net buffs minus nerfs over time. Up = the game is being buffed overall, down = nerfed.
Latest patches
Buffs, nerfs, bug fixes & updates at a glance — click a row to jump to that subject
Hotfix 1.7.1 addresses several bugs introduced by the Accessibility Patch, focusing on UI, controller inputs, and trophy triggers.
- GeneralColor Labeling
Fixed a bug where Color Labeling would activate without being enabled in the Color Support Menu.
- GeneralBlueprint MenuController Input
Fixed broken input and button glyphs for documents in the Blueprint Menu during specific challenge modes.
- GeneralExplorer Trophy
Fixed incorrect or missing triggers for the Explorer Trophy; missing trophies are now delivered to the Entrance Hall.
- GeneralMain MenuCursor Visibility
Fixed an issue where the cursor would not display in the Main Menu for Mac users.
- GeneralRemapping MenuCursor Visibility
Fixed cursor visibility issues when accessing the Remapping menu via the Accessibility Menu.
- +2 more
Emergency security update addressing a high-severity Unity Runtime vulnerability (CVE-2025-59489).
Patch 1.6 focuses on stability, bug fixes for room drafting, and quality-of-life improvements to the save system.
- The Foundationspawn rate
Fixed a bug where The Foundation would sometimes fail to appear at the beginning of the day.
- The FoundationRepellentfunctionality
Fixed a regional character issue that prevented repellent from working correctly in the Foundation for some players.
- General FixesVestibulespecial key
Fixed a softlock occurring when using a special key in the Vestibule.
- General FixesChamber of Mirrorsrewards
Fixed a bug that occasionally gave players 'blank' rewards in the Chamber of Mirrors.
- Dig Spotsrare item drop
Fixed a bug preventing a rare hint for contraption components from being dug up; adjusted odds to maintain balance.
- +3 more
- General FixesConservatorycontroller support
Controller support now works correctly when resetting rarity via the Room Directory in the Conservatory.
- Save Systembackup restoration—→Added
Added the ability to manually restore from a backup save in the menu to resolve cloud save conflicts or non-corrupt overwrites.
- Metal Detectorbeeping behavior
Fixed a bug where the detector continued beeping after picking up keys in the Laundry Room or the Key of A****.
Hotfix 1.5.1 resolves a progression-blocking issue regarding the remote power box door.
Patch 1.5 focuses on critical save corruption fixes, input corrections, and several room drafting logic adjustments.
- Generalinput recognition
Fixed an issue where Right Arrow and A keys were incorrectly interpreted as CONFIRM on keyboards.
- GeneralParlor boxes
Fixed a bug that occurred when opening consecutive Parlor boxes too quickly.
- World InteractionsTreasure Trove TrunksymbolMoon→Sun
Corrected a trunk symbol from moon to sun to align with the correct blue memo logic.
- Room DraftingMaster Bedroomspawn locationAnywhere→East Wing
Fixed a bug where the Master Bedroom could erroneously appear outside of the East Wing.
- Room DraftingFoundationdraft pool entryBefore 7 days→After 7 days
Fixed a bug that allowed Foundation to be added to the draft pool via repellent before 7 days had passed.
- Generalsave system
Implemented an automatic backup system and redundant validity checks to prevent save file corruption and loading freezes.
- GeneralUI/Text
Corrected magnification issues, font inconsistencies in the Library, Master Bedroom, and Vault, and fixed a typo in 'Mary Matthew'.
- World InteractionsRemote Power Doorsopening methodAutomatic→Button Press
Doors powered by remote power boxes now require a button press to open instead of unlocking automatically.
- FloorplansConservatory Menurarity reset—→Added
Players can now reset rarity changes made to floorplans via the Conservatory menu.
What got changed
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Heroes & subjects
Click a card to see its full timeline + per-ability breakdown
- 🗺️+2/-0▲ +211mo ago
The Foundation
MapArea · ExplorationIncreased reliability of area access and item functionality.
- ⚙️+2/-0▲ +211mo ago
General Fixes
GeneralBugfix · QoLGeneral polish and removal of several game-breaking softlocks.
- ⚙️+1/-0▲ +11mo ago
General
GeneralBugfix · Stability · BugfixesImproved control options and stability, while closing demo exploits.
- ⚙️+1/-0▲ +111mo ago
Save System
GeneralSystem · UI · ProgressionImproved save stability, though some management features are temporarily offline.
- ⚙️+1/-0▲ +114mo ago
World Interactions
GeneralPuzzle · Late Game · ExplorationRemoved several critical progression blockers and item spawn bugs.
- ⚙️+1/-0▲ +111mo ago
Dig Spots
GeneralExploration · ItemsRare contraption hints are now obtainable as intended.
- ⚙️+1/-0▲ +111mo ago
Commissary
GeneralEconomy · ShopMore reliable special orders and accurate pricing.
- ⚙️+1/-0▲ +114mo ago
Floorplans
GeneralLate Game · MechanicAdded flexibility to floorplan management via rarity resets.
- ⚙️+0/-1▼ -114mo ago
Room Drafting
GeneralDrafting · RNG · MapTighter control over room spawning and rarity distribution for better consistency.
- 🧰+0/-1▼ -116mo ago
Coin Purse
ItemItem · EconomyRemoved an unintended exploit that allowed Coin Purse usage in a restricted room.
- 🗺️+1/-0▲ +116mo ago
Shelter
MapLocation · PuzzleProgression block in the Shelter has been resolved.
- 🧰+1/-0▲ +116mo ago
Battery Pack
ItemResource · UtilityBattery Packs are now more commonly available.
- ⚙️+0/-0≈ 011mo ago
Drafting System
GeneralMechanic · HouseMore consistent and predictable room drafting.
- 🧰+0/-0≈ 011mo ago
Metal Detector
ItemTool · ExplorationCorrected audio feedback after item collection.
- ⚙️+0/-0≈ 014mo ago
Remote Power Box
GeneralPuzzle · ProgressionFixed a critical progression bug involving the remote power box door.
- ⚙️+0/-0≈ 015mo ago
UI
GeneralInterface · HUDImproved UI stability during cinematic transitions.
- ⚙️+0/-0≈ 015mo ago
Cinematics
GeneralWorld · StabilityPrevented game-breaking out-of-bounds errors when skipping cutscenes.
- ⚙️+0/-0≈ 015mo ago
Antechamber Levers
GeneralPuzzle · InteractionRestored intended puzzle logic for Antechamber levers.
- 🗺️+0/-0≈ 016mo ago
Giant Gear
MapLate Game · Puzzle · EnvironmentPrevents potential soft-locks in the late game.
- ⚙️+0/-0≈ 016mo ago
Lab Machine
GeneralPuzzle · LabFixed a frustrating camera bug during lab interactions.
Top abilities tweaked
Most-touched abilities across all patches
Recent patches
Most recent 12