First-person shooter ULTRAKILL: The player shoots a weapon, causing blood splatters and a blue skull in first-person perspective.

ULTRAKILL gameplay screenshot: POV shot of dual pistols, action in a yellow-lit environment, and combat stats overlay.

ULTRAKILL first-person shooter: bloody, red environment with a weapon, and kill indicators showing "Sadistic" with triple and double kills.

ULTRAKILL gameplay screenshot showing a "SUPREME" score, blood splatter, and the crosshair of a gun.

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The best shooters of the '90s have served as an inspiration to create ULTRAKILL, a retro-style first-person shooter set in a world ruled by machines. But human extinction turns out to be a huge problem, as the machines are fueled by blood, and it's starting to be scarce. The only solution is to dive into the depths of Hell to look for more.

ULTRAKILL is a fast-paced experience where you fight demons, other machines, and the dead to harvest blood and keep functioning. You are a merciless killer, but you need blood to keep going and heal yourself. Therefore, you have to be on an almost constant killing spree if you want to progress through the game. Kill fast, kill many, and keep moving as you traverse a variety of scenarios and gather powerful weapons to enhance your destructive capabilities.

ULTRAKILL is all about murdering your opponents to keep going, and you will only have a little rest between stages. If you stop killing, you will probably end up as fuel for another machine like you, or worse.