ULTRAKILL: Prelude

Step into ULTRAKILL: Prelude, the free demo that delivers brutal action, fast-paced combat, and classic first-person shooter style right in your browser. This thrilling demo is the Prelude to the full game and lets players sample the intense world of ULTRAKILL without installing anything.

What Makes This Demo Fast-Paced & Exciting?

• Tutorial + 5 main levels + secret mission – learn the moves, then fight your way through as V1, a blood-fueled machine entering Hell’s fringes.
• Four enemy types and three bosses – battle Filth, Strays, Schisms, a Malicious Face and more in fast, brutal encounters.
• Two weapons with alternate firing modes – switch between guns and modes to build combos, rack up style points, and heal in fierce battles.
• Style points and blood healing – kill with flair to earn upgrades and absorb enemy blood to stay alive.
• High replay value – chase higher scores, perfect runs, and explore every secret corner of each level.

Explore the Mouth of Hell

In ULTRAKILL: Prelude, you explore a mining complex built on the outskirts of Hell—officially dubbed the “layer zero” of the story. It introduces movement mechanics like dashing, sliding, wall-jumping, slams, blood healing, and soul orbs. Instant-death traps like crushers, fans, and grinders keep you on your toes as you fight sharper enemies on each level.

This demo includes iconic moments: fight in levels such as Into the Fire, The Meatgrinder, Something Wicked, Double Down, and Cerberus—plus a hidden final stage. It’s a compact burst of ULTRAKILL’s signature fast-paced, stylish combat.

Credits

ULTRAKILL: Prelude is made by Hakita.

Play it on other platforms:

Why It’s Perfect for Browser Game Fans

No downloads, nothing to install—just open your browser and jump into fast-paced first-person shooter action. ULTRAKILL: Prelude is designed for flashy gunplay, creative combos, and replaying levels to climb higher in style score. It’s the ultimate browser demo for fans of retro shooters, modern action, and free demo thrills. 

If you’re looking for a game that combines fast-paced combat, brutal first-person shooter gameplay, style points and free browser access, ULTRAKILL: Prelude is a perfect fit. It’s a fast-paced demo of the full ULTRAKILL game, condensed into a high-energy introduction. Try ULTRAKILL: Prelude today for free demo action you won’t forget!