Health is regained by soaking in the blood of enemies killed at close range.

" ULTRAKILL Free Download (v18.03.2023)" typically refers to the update, released on March 16, 2023. This specific version was a massive milestone for the fast-paced retro-FPS, introducing one of its most challenging and iconic pieces of content: Prime Sanctum 2. Core Update Features (v18.03.2023)

Introduced the "Wait of the World" level, featuring the highly anticipated and notoriously difficult boss Sisyphus Prime .

ULTRAKILL is an ultra-violent "boomer shooter" that fuses the movement-heavy gunplay of Quake and Doom (2016) with the stylish combo-based scoring of Devil May Cry .