Helix Dynamics sold the world a miracle product labeled Shelf Stable. It wasn't. Horde-scale tower defense: hold Checkpoint Voss against tens of thousands of infected hosts, research heavier hardware, and come back until nothing is left walking.

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About This Game

Helix Dynamics Product Recall
Certain lots labeled Shelf Stable were not. Do not open the container. Board the first-story windows. Thank you for your loyalty during this routine product-quality event.
— Field Containment Division / Checkpoint Voss

The job

Horde-scale tower defense. You are a Field Containment Operator at Checkpoint Voss, the last forward ops campus still running.

Place hardpoints on a surveyed site, aim their firing cones, and hold the line while a biomass tide walks into it. Every host is a real body in a GPU physics simulation — they push each other, pile against the ones in front, wedge into the nooks of corridors, and pour through the second they get a chance. Density will be the problem. Firepower will be your solution.

Survey 1 is not a first-try clear. Lose, take the Gold anyway, file it into the Weapons Program, and come back with better hardware.

What ships in the base build

  • 14 surveyed sites — a hand-authored campaign at Checkpoint Voss. Hold one without a single leak and it pays a Token.
  • The Weapons Program — 129 research seats that stick between attempts. Failed runs still pay. Spend Gold and Tokens down the path you see most fit.
  • Hardpoints — SMG up through LMG and MMG, Launcher, Cannon, Payload Artillery, and Carriers. Plus a Control Tower that unlocks specialist placeables — Crushers, Incinerators, Acid Pits, Shock Traps and Chillers — and, further down the artillery line, a Containment Well that folds the tide in on itself.
  • Containment editor — author your own sites. Paint the path, place the mouths, TEST it, keep it in your local archive.
  • Steam Workshop — publish your sites, and subscribe to other operators' beside your own.
  • Monthly Containment Protocol — one official site per month. Locked kit, locked wave table, no career research carried in. Score is rounds held and infected culled.

Built in Godot. The horde runs entirely on GPU compute — a Vulkan-capable GPU with compute support is required, and there is no CPU fallback.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Store artwork was created with generative AI tools. Code, gameplay, and simulation are not AI-generated.

Mature Content Description

The developers describe the content like this:

Players defend Checkpoint Voss against enormous hordes of infected bioweapon hosts. Combat frequently produces blood, corpses, and body-horror imagery. Dark corporate horror tone (Helix Dynamics product-recall fiction). No sexual content or nudity.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Intel Core i5-8400 / AMD Ryzen 5 2600 or equivalent
    • Memory: 8192 MB RAM
    • Graphics: Dedicated Vulkan 1.2 GPU with compute shaders — NVIDIA GTX 1060 6GB / AMD RX 580 8GB or better
    • Storage: 4096 MB available space
    • Sound Card: DirectSound / Windows compatible
    • Additional Notes: The horde runs entirely on GPU compute. There is no software or CPU simulation fallback, and integrated graphics will not run this game.
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11 64-bit
    • Processor: Intel Core i5-11400 / AMD Ryzen 5 5600 or better
    • Memory: 16384 MB RAM
    • Graphics: Dedicated Vulkan GPU with 6GB+ VRAM — NVIDIA RTX 3060 / AMD RX 6600 or better
    • Storage: 4096 MB available space
    • Sound Card: DirectSound / Windows compatible
    • Additional Notes: 1080p at 60 FPS. Headroom for peak host counts late in a survey and for large custom sites from the editor and Workshop.
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