ULTRAKILL is a fast-paced retro-style first-person shooter developed by Arsi Patala and published by New Blood Interactive. Inspired by classic 1990s shooters, the game blends old-school movement mechanics with modern combo-based combat. Players control a powerful machine fueled by blood, battling through layers of Hell filled with demons and mechanical enemies. ULTRAKILL rewards speed, precision, and stylish kills, featuring intense boss fights, secret levels, and a ranking system that encourages mastery and replayability.