Ultrakill Build 14344626 ((exclusive)) Jun 2026

that surfaced in late 2024/early 2025. Often referred to by the community as the or "April Fools Leak" , this specific build is notable for containing a wealth of scrapped, experimental, and early-development content that was never intended for the final release. Key Highlights of Build 14344626

To understand this build, we have to look at the major patch it represents. On , developer Arsi "Hakita" Patala and publisher New Blood Interactive finally launched Layer 8: Fraud , the second layer of Act III. This launch became the catalyst for Build 14344626. The launch was a massive success, with nearly 72,000 concurrent players flooding Hell, a number nearly triple the launch of Layer 7: Violence.

Do you need a guide on for speedrunning? ULTRAKILL Build 14344626

Decoding ULTRAKILL Build 14344626: Patch Notes, Documented Changes, and Community Impact

Fixed shop music bugs in 0-3 and 4-2; Staining fixes for 7-S. Patch 15d Changelog · ULTRAKILL update for 13 May 2024 that surfaced in late 2024/early 2025

Adjusted the to correctly display chainsaw spark effects only during appropriate animations. HUD & UI :

ULTRAKILL is often described as a "speedrun-inspired shooter," and for good reason. The game's core mechanics are designed to facilitate blistering fast movement and aggressive playstyles, challenging players to navigate its levels with reckless abandon while still maintaining pinpoint accuracy and tactical awareness. This is a game that punishes hesitation and rewards bold, assertive action – and with Build 14344626, the core loop has never felt more satisfying. On , developer Arsi "Hakita" Patala and publisher

To perform this trick, players are discussing extremely precise inputs: freezing a rocket, aiming, and performing a "tap dive" (a slide+jump input at nearly the same time). The conversation highlights how picky these glitches can be; one player notes that even "holding the buttons for too long messes it up too, it's really just a short tap". This meticulous, collaborative troubleshooting is the lifeblood of the speedrunning community and showcases why a specific build ID like 14344626 becomes a critical reference point.

The build introduced improvements to how portals function, significantly enhancing performance, especially in 8-3, which previously suffered from notable frame drops.

As ULTRAKILL approaches its final release, updates like 14344626 are crucial for maintaining the game's high reputation for polished, frantic action.