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ILL – A Disturbing New Horror Game Unveiled

Unveiled during Summer Game Fest 2025, ILL emerges as one of the most grotesque and visually arresting horror titles in recent memory. Backed by the team behind Atomic Heart, this body-horror FPS throws players into a decaying Eastern European nightmare filled with terrifying mutations, strategic dismemberment, and survival-driven gameplay.

Ill
ILL – A Disturbing New Horror Game Unveiled
By ravenx • 6/10/2025

Introduction

At Summer Game Fest 2025, ILL was officially unveiled — a first‑person survival horror game by indie developer Team Clout, now backed by Mundfish Powerhouse. Set in a decaying Eastern European research fort, the game pits players against grotesque, body‑horror mutants with a blend of action and survival tension.

Developer Background

Team Clout started as a 4-person indie team in 2021, releasing VFX-heavy teaser trailers. By 2023, they grew into a full-fledged studio of 50 under Mundfish Powerhouse (known for Atomic Heart), creating a playable in-engine demo. Members have VFX credits on Longlegs, IT: Welcome to Derry, and V/H/S/Beyond.

Gameplay Details

  • Visceral Body Horror: Enemies react to damage in real-time — limbs detach, mutate, or spawn new threats.
  • Physics-Based Combat: Unreal Engine 5 powers fluid environment interaction and destructibility.
  • Immersive Audio: Binaural sound captures spatial tension and immersive horror.
  • Inventory Survival: Players must carefully manage weapons, upgrades, and limited ammo.
  • Dynamic Pacing: Some areas allow full combat, others strip you of weapons and rely on stealth and terror.

Watch the Official Trailer


Screenshots

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Fan Reactions

“That first part when the main character is running down the hall … Is that going to happen with every wall?”
— u/HelghastFromHelghan
“I still believe what we’re seeing is real … the technology to make games run/look like this is clearly already here.”
— jrob_92

While some fans are awestruck by the brutal visuals, others are skeptical of the trailer’s in-engine authenticity. Still, Mundfish’s involvement boosts confidence.

Conclusion & Release Speculation

ILL may be horror gaming’s most grotesque and immersive title in years. With inspiration from Half-Life and The Thing, it mixes tactical gameplay, visual brutality, and body horror like no other. While no official release date is confirmed, a late 2026 launch is probable. It’s set for PC, PS5, and Xbox Series X|S.

The game is available to wishlist on Steam now.

What to Watch For

  • Hands-on demo to test gameplay physics
  • More raw footage for authenticity check
  • Timeline clues from the dev team or Steam page