ULTRAKILL Version 16b Patch Notes

A new ULTRAKILL update 16b released on PC. According to the official ULTRAKILL patch notes, the latest update 16b addresses some bugs and crashes.

Since the last patch, players are experiencing problems with the game. Today’s ULTRAKILL patch 16b will fix a few of these issues.

Check out more details below.

ULTRAKILL Patch 16b Notes – March 1, 2025

General:

Reduced the chances of the player clipping through surfaces that are moving towards them (ie. the Cyber Grind arena)
Fixed game crashing on exit sometimes
Added “Disable New Shaders” graphic option to fix the game only displaying a black screen on very old computers (should be automatically enabled if necessary)

Death screen now correctly instantly goes to black when killed by certain methods
The “First Room” option of the Teleport cheat now properly places the player in bounds
Reduced ground slam shockwave delay from 0.15s to 0.1s

Clash mode belly flop no longer causes the player to fly up into the air when timed with a spin
Shop terminals that play no music also no longer play the SmileOS 2.0 jingle
“Hide UI” cheat now correctly hides the Cheats Enabled overlay

The level results clicking sound no longer continues playing while paused
Fixed the crosshair colors option not displaying all colors
Replaced 4-1 and 4-2’s heat distortion disable option with a universal heat distortion disable option

The Encore popups now work properly on controller
Transferred the major assists popup to the new UI graphics style
Underwater state no longer breaks when killing a fish underwater

Player can no longer get stuck in an underwater state after exiting water

Weapons:

Fixed “Remember Last Used Weapon Variant” not working
Fixed the Last Used Weapon bind

Fixed projectiles and explosions not causing environmental particle effects on impact
Fixed the smaller Railcannon meter not working when weapon icons are disabled
Fixed Freeze Frame not automatically unfreezing after a Core Eject has been used

Fixed weapon disappearing when pressing the individual variation button for a variation the player hasn’t unlocked yet
The Malicious Railcannon no longer uses the old lightning sprites when fully charged
Fixed capitalization on the Pump Charge variation

Corrected the color of the dual wield powerup
Fixed the scrolling texture on explosions not working

Arms:

Reduced punch exhaustion for Knuckleblaster

Fixed a bug that caused pressing punch too early to increase punch exhaustion despite not actually punching
The cooldown of an individual arm’s punches now resets to a maximum of 0.1s when switching arms or using Whiplash
Arm icon now shows up even when only one arm is equipped

The whiplash icon in the shop now shows up as “?” until unlocked
Fixed the spawner arm not being colored white
5-S and 7-S no longer use the old arm model

Added the punch exhaustion meter to the Classic HUDs
Recolored the punch exhaustion meter to be easier to distinguish when not full

Enemies:

Reduced Cerberus’ radiance speed bonus on Brutal difficulty

Fixed Cerberi dashing off ledges even when not enraged
Lowered the volume and shortened the length of the radiant enemy spawn sound
Fixed Gabriel’s Brutal difficulty spiral swords still attempting to stab the player after despawning when the fight ends

Enemy sounds no longer muffle when in shallow water
Added bigger enemy names in the terminal
Fixed Schism beams dealing extreme damage to the player after being parried

Removed a possible performance issue caused by Swordsmachines

Levels (General):

Fixed occlusion culling issues in multiple levels
Fixed z-fighting issues in multiple levels

Enemies that spawn behind breakables no longer spawn when Disable Enemy Spawns is enabled
Fixed a transparent floor issue in the start room elevator shaft if Vertex Warping is enabled
The main menu’s sound is no longer high pitched when first booted up with lower game speed via major assists

Prime Sanctum results screens now share the Encore result screen layouts

Prelude:

Fixed players being able to fly out of bounds through the ceiling of a 0-1 and 0-E room
Fixed a bug that caused the player to be displaced after picking up the Revolver in 0-1 while in Clash mode

Fixed enemies not being able to walk under the crusher in the first crusher arena in 0-2
Fixed the first Strays in 0-2 being able to walk inside a wall
Fixed a rare issue where the grinders from the 0-2 bonus platforming section would clip into the secret fight arena

0-3 Swordsmachine first fight no longer happens if the player backtracks to it after beating the second fight
Fixed the 0-3 and 0-4 level select panels still only showing 3 secrets if the player has a save from before they were increased to 5
Fixed an invisible collision in 0-S

Fixed a missing ceiling in 0-S
0-E now functions correctly while using the Disable Enemy Spawns cheat
The player is no longer immune to 0-E’s effects while at over 100 health

Fixed a stuck spot behind a frozen crusher in 0-E
The fan in the skulls room of 0-E no longer causes the player to be teleported out of bounds
Returning to the 0-E skulls room after activation no longer causes snow to reappear

Enemies in 0-E’s snow arena can no longer fall through the snow
Moved pipes in the first room to the right after the crossroads checkpoint in 0-E to reduce chances of the player getting stuck
Fixed the player being able to stay invulnerable when taking damage in 0-E’s second half

Limbo:

Fixed the holographic leaves of Limbo trees sometimes causing the player to not be able to ground slam
Fixed 1-2’s level name appearing at the start of the level instead of the halfway point
Reaching the first balcony of 1-2 without spawning all enemies will spawn them automatically to make them less easy to miss

Fixed the Cerberus in 1-2 still using the old model
Fixed the Cerberus in 1-2 having a spawn effect
The Streetcleaners in 1-2 can now properly exit their room

1-4 V2 can no longer fall back out the window it came in through
1-4’s tip of the day no longer shows 0-E’s
The 1-4 bookshelf can no longer be pushed into the corner to become stuck

Fixed 1-E not getting a gold border after being P-ranked
A few 1-E checkpoints can no longer be activated through walls and ceilings
The player can no longer clip out of bounds by riding the locks in 1-E’s pit room doors

Fixed the unbreakable glass in 1-E not using the unbreakable glass texture
Fixed the final arena in 1-E having its corner clip through into an earlier room
Backtracking after placing the blue skull in 1-E will no longer deload its staircase

Fixed an errant scrolling floor texture in 1-E
Fixed players clipping through the walls of 1-E’s pit room when standing on the doors
The player can no longer go out of bounds by backtracking towards 1-E’s lava room and falling into a fan

Fixed the 1-E first Hideous Mass arena disappearing after returning with a blue skull

Lust:

Fixed a missing collider in 2-3
2-4 no longer plays 2-3’s music when the player uses the Teleport cheat

Updated UIs for 2-S and the Museum

Gluttony:

Fixed 3-1’s final room Filth not being able to walk onto the bridge
Fixed 3-1’s final room Drones spawning inside the walls

Fixed the elevator pit from 3-1 to P-1 not rendering
Removed some leftover old bone geometry in 3-1’s final arena
Two of the drones in 3-1’s final arena no longer spawn inside the walls

Fixed the Filth in 3-1’s final arena being unable to walk onto the bone bridge
The 3-2 eye is no longer cuttable with launched chainsaws and heated nails
Fixed 3-2’s death screen not having its black background

The eyes can no longer spawn inside geometry in P-1
Coins now correctly target Flesh Prison and Panopticon
Fixed a hole in a 3-2 ceiling

Fixed the P-1 entrance pit being invisible

Greed:

4-3 no longer has the wrong Railcannon meter graphic
Fixed gaps in 4-4’s secret room walls

Wrath:

Ferryman can no longer get stuck on top of the edges of the ship
Fixed the limbs in 5-2’s ocean not rendering
Improved performance on Leviathan’s second phase

The boss death sequences in 5-4 and 7-4 now heal the player for dramatic effect
Fixed 5-4’s second phase music not playing
Added a +DOWN TO SIZE style bonus for parrying Leviathan

Fixed Leviathan’s projectiles not working on Harmless difficulty
Fixed Leviathan not dying when using the Kill All Enemies cheat in its first phase
Fixed 5-S’s terminal not being lit by outdoors lights

Heresy:

The player can no longer pick up an intangible object by punching the top of a chain-carried coffin in 6-1
Fixed the coffin chains clipping through the ceiling on the roof of the 6-1 chapel
Fixed the 6-2 boss door opening too slowly

Changed the skull above the P-2 door into a 3D model
Moved a lamp in P-2 slightly to allow for speedrunning setups
Fixed multiple out of bounds holes in the P-2 intro

Violence:

7-2 Tram station no longer has a pillar that enemies can walk through
7-3’s music now pitches down correctly when marked for death
Fixed Cerberi in 7-3 not infighting

Fixed the ceiling bugged geometry of a doorway in 7-3
7-4 now functions properly with Clash mode
Added a rain sound effect to the end of 7-4

Fixed the 7-S screen no longer saying “Thank you” after completion
Fixed the final checkpoint in 7-S not appearing

The Cyber Grind:

Fixed the Cyber Grind starting wave not being automatically loaded on level restart

Fixed the Cyber Grind terminal not playing music
The Cyber Grind fog setting minimum is now locked below the maximum to avoid visual bugs
Fixed Cyber Grind glow not being the correct color when starting from a wave above 25

Museum:

Fixed the Museum bins only destroying one plushie per bin
Fixed the Museum Swordsmachine having the wrong pose
Fixed the Museum vinyl player not having a texture

Fixed the Museum theater screen lowering altar being the wrong color
Fixed the Museum rocket ride rings only being visible from one side

Sandbox:

Fixed skull altars not being deletable in the Sandbox

Updated some unupdated Sandbox spawn menu icons

Download ULTRAKILL update 16b on PC.

ULTRAKILL Version 16b Patch Notes – March 1, 2025