Patch 15d (Build 14344626) focuses on resolving various gameplay, visual, and performance inconsistencies. Key Bug Fixes
Several specific enemy interactions were polished to maintain the game's strict "tough but fair" balance: ULTRAKILL Build 14344626
14344626 Release Date: December 2022 – January 2023 (Public) / Late December for Playtesters Corresponding Game Version: Patch 14b / “Wait of the World” full release Patch 15d (Build 14344626) focuses on resolving various
V1’s optical sensors recalibrated. The latest patch had refined the friction coefficients of its sliding servos. It felt... smoother. Deadlier. The Descent ULTRAKILL Build 14344626
This build is currently live on the main branch as of May 2026, following two weeks of testing on the "public-test" branch.
