ULTRAKILL Build 14344626: The Comprehensive Update Guide , primarily identified as Patch 15d , was released on May 13, 2024, as a critical follow-up to the massive "Full Arsenal" update. This build focused on refining the chaotic combat mechanics, fixing game-breaking bugs across the newly added weapons, and improving visual clarity for higher-difficulty gameplay. Core Gameplay & Weapon Refinements
The hallmark of ULTRAKILL is its lack of a reload button—ammo is merely a suggestion. Build 14344626 tweaks several "hidden" mechanics that speedrunners exploited to break damage caps: ULTRAKILL Build 14344626
Beyond the new content, Build 14344626 addresses several stability issues that have plagued the Cyber Grind sandbox mode. Pathfinding for specific enemy types has been smoothed out, and the "Railcannon" logic has been tweaked to ensure style points register correctly during multi-kills. The Expansion of the Arsenal: The Knuckleblaster The
: Fixed a bug where they didn't take initial impact damage from explosions when vulnerable via gasoline. Mannequins : No longer remain parryable after landing from a launch on Brutal difficulty Level Specifics : Fixed music muting/playing issues in levels , and ensured the pond correctly gets stained. Miscellaneous breaking after releasing a chess piece. : Fixed a bug where they didn't take
. This update focused on critical bug fixes following the major "Full Arsenal" update, specifically addressing physics glitches and weapon inconsistencies. Patch 15d (Build 14344626) Highlights Speedometer Improvements
Fixed a bug where they wouldn't take initial impact damage from explosions when made vulnerable by gasoline.