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Steam News9 May 20261mo ago

Kumitantei Release Hotfix #6

Thank you for playing Kumitantei: Old-School Slaughter! An update has been released, further targeting optimization and performance alongside some smaller bugs. Patch Notes Direct3D 12 is now the default renderer.

In this update1

Full notes

Full Kumitantei: Old-School Slaughter update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

7 fixes1 addition7 changes0 removals
  • Performance
  • Gameplay
  • Fixes
  • UI and audio
changedThank you for playing Kumitantei: Old-School Slaughter! An update has been released, further targeting optimization and performance alongside some smaller bugs.
changedPatch NotesFurther optimization has been made in regards to rendering, significantly improving VRAM usage and framerate.
changedPatch NotesThe hitbox of the bed in the Nurse's Office has been adjusted to make it easier to interact with the trash can.
addedPatch NotesA door has been added in the Kitchen to make the exit of the room more apparent. The exit hitbox on the left wall has been removed as well, making the oven easier to interact with.
changedPatch NotesAdjusted Erika's position in the Prize Corner during Free Time to prevent issues where she would suddenly block the camera after spending time with Kaguya.
changedPatch NotesAdjusted the description of the Evidence Card Nyanusofu's Testimony.

Kumitantei: Old-School Slaughter changes

changedThank you for playing Kumitantei: Old-School Slaughter! An update has been released, further targeting optimization and performance alongside some smaller bugs.
changedFurther optimization has been made in regards to rendering, significantly improving VRAM usage and framerate.
changedThe hitbox of the bed in the Nurse's Office has been adjusted to make it easier to interact with the trash can.
addedA door has been added in the Kitchen to make the exit of the room more apparent. The exit hitbox on the left wall has been removed as well, making the oven easier to interact with.
changedAdjusted Erika's position in the Prize Corner during Free Time to prevent issues where she would suddenly block the camera after spending time with Kaguya.

Thank you for playing Kumitantei: Old-School Slaughter! An update has been released, further targeting optimization and performance alongside some smaller bugs.

Patch Notes

  • Direct3D 12 is now the default renderer. On platforms with additional launch options, Vulkan has been made as the secondary, optional option.

  • Further optimization has been made in regards to rendering, significantly improving VRAM usage and framerate.

  • When explaining Evidence Cards during the Card Battle tutorial in the Prologue, they are now highlighted in the player's hand to point them out.

  • The hitbox of the bed in the Nurse's Office has been adjusted to make it easier to interact with the trash can.

  • A door has been added in the Kitchen to make the exit of the room more apparent.

    • The exit hitbox on the left wall has been removed as well, making the oven easier to interact with.

  • Adjusted Erika's position in the Prize Corner during Free Time to prevent issues where she would suddenly block the camera after spending time with Kaguya.

  • Adjusted the description of the Evidence Card Nyanusofu's Testimony.

  • Adjusted the balancing of some Card Battle Debates during the Clinical Trial.

  • Updated the credits.

  • Fixed an issue where dialogue choices would forcefully select the topmost option when confirming using left click.

  • Fixed an error in the Edit Deck menu where the Suit icons did not animate smoothly.

  • Fixed an issue where saving during the scene in the Cafeteria during night of the second day would permanently softlock that save file by breaking story progression. Save files affected by this bug will function as normal following the update.

  • Fixed an issue where, during Skill Card animations, the card would appear fully white while using Direct3D 12.

  • Fixed a minor issue where attempting to fast-forward while the results screen is being shown would play the effect despite doing nothing.

  • Fixed multiple typos and errors across the script.

  • Fixed multiple voice lines.

Source

Steam News / 9 May 2026

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