Ultrakill -patch 15- ((install)) Here

: This is the standard mod loader for ULTRAKILL. To start creating a mod (a technical "piece"), you need to install BepInEx into your game folder.

Community speculation has run rampant. Patch 15 does not unlock P-3 yet, but it lays the groundwork. By achieving a P-Rank on 7-4 (good luck; the time requirement is 5 minutes and the style requirement is an absurd 25,000 points), you unlock a "Broken Idol." Combine this with the "Pure Heart" from P-2 and the "Crown of Thorns" from the new 7-3 Brutal difficulty secret, and you get a prompt currently labeled: "The Soul awaits its vessel. Patch 16." ULTRAKILL -Patch 15-

Mechanically, the level forces players to navigate submerged platforms where light mechanics and enemy spawns are tied to destroying statues that litter the area. The standout encounter features a new variant of the —the "Drowned Cleaner" —which moves silently underwater and can only be parried when it surfaces to strike. : This is the standard mod loader for ULTRAKILL

Patch 15 launched with a few infamous bugs (including a frame-crashing interaction between the Style Arm and the Whiplash on low-end PCs), but a Day 3 hotfix stabilized the experience. Patch 15 does not unlock P-3 yet, but it lays the groundwork

for ULTRAKILL is a significant update that builds upon the game's already strong foundation. Among the most notable additions are new levels, designed to push players to their limits with innovative layouts and enemy encounters. These levels are not just about shooting demons; they require strategy, quick reflexes, and a keen understanding of the game's mechanics.

If you are looking to create a "piece"—whether it’s a custom level or a technical mod—here are the primary methods based on the current developer community and official tools:

The going theory is that P-3’s boss is not a demon, but a fallen Angel—specifically, the one referenced in the lore terminals of 7-1, the "Cleric of the White Heresy." Given that Patch 15 adds a new projectile sound for "Holy" damage, prepare for lasers that track you through dashes.