Ultrakill update (Halloween Clash Update) is now available to download on PC (Steam). According to the official Ultrakill patch notes, the latest update added pumpkins, a new bundle, a new secret level, custom color palettes, and much more.

Previously, a big update was released with a long list of quality of life improvements. Unfortunately, since the last patch, players are facing several issues. Ultrakill patch will fix a few of these issues.

Read more details below.

Ultrakill Patch Notes (Halloween Clash Update) – October 28, 2021


  • Added Greed layer secret level 4-S
  • Added timed Halloween event
  • Added “custom color palette” graphics option
  • Added “dithering” graphics option
  • Added “Always on top” HUD option

Sandbox / Cheats changes

  • Remade cheats menu
  • Added cheats rebinding
  • Added new Sandbox tools: Custom blocks and telekinesis tool
  • Added saving and loading to Sandbox
  • Added new cheats: Invincible enemies, fullbright mode and infinite power-ups
  • Added HUD option for changing the Sandbox tool and cheat menu icons
  • Added snapping option for the spawner arm in the Sandbox mode
  • Spawner arm now shows an object placement preview

General changes

  • Updated Virtue’s data section with information about the Virtue itself rather than just angels in general
  • Reduced stamina cost of ground slam wave from 200 to 100
  • The tab stats menu can now also be used in secret missions the player has already beaten
  • Damaging shockwaves have now been colored orange to clearly differentiate between damaging and harmless shockwaves
  • Soldiers and Schisms will now move before firing their first shot
  • Shotgun’s Core Eject can now also be fired by pressing primary fire while holding alt fire
  • Mindflayer beam warning flash changed to blue
  • 1.5x damage multiplier on burning enemies no longer applies to fire damage or explosion damage
  • 1.5x damage multiplier on airborne enemies no longer applies to fire damage
  • Schisms now have a 50% flame damage resistance so they can no longer be killed by a single normal explosion
  • Made rank time limits on 4-2 slightly more lenient


  • Greatly reduced physics bugs that caused the player to clip through a floor or surface (some legacy speedrun clipping spots have been kept manually)
  • Fixed the coin flip animation not being interruptible with a punch while holding a torch
  • Improved performance on 4-4 boss fight
  • Fixed a bug that would break 4-4 if the player restarted after skipping a phase without using the checkpoint

Download free Ultrakill patch on PC.

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