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Hell Deck

OFFMOON Inc.

Collect units and build powerful synergies on a restricted grid in Hell Deck, a dark roguelike deckbuilder defense game. Construct your own bizarre, twisted ecosystem through a brutal cycle of predation and sacrifice, and defend hell from the holy swarm

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About This Game

You wake up in the depths of Hell, but it isn’t the demons you should fear. Holy angels are descending from the heavens to purge the abyss, and you are their prey. To survive, you must take command of Hell’s denizens and rewrite the laws of nature.

Hell Deck is a dark, twisted roguelike deckbuilder defense game. Here, the battlefield is a living, breathing, and volatile ecosystem where survival is bought with flesh. Force your units into a brutal cycle of predation and sacrifice, engineer a grotesque food chain, and repel the holy onslaught.

"WHY DO YOU DOUBT THIS PARADISE?"

Forget everything you know about good and evil. In this world, angels are the apex predators hunting you down. Lead the demons of the abyss, adapt to the harsh reality of the underworld, and turn the holy invasion into a crimson feast.

Your units don’t just stand in formation—they hunt each other. Master a unique "Ecosystem Deckbuilding" mechanic where power is consolidated through cannibalism. Accidental placements and deliberate sacrifices trigger grotesque biological mutations, turning weak grunts into god-like apex predators.

Space is your most precious resource. On a strictly limited tile grid, every single placement can trigger an uncontrollable chain reaction. Manage your hand, monitor your inventory bag, and orchestrate the perfect biological synergy to decimate hundreds of oncoming enemies at once.

Death is merely part of the experiment. As a mysterious, omniscient voice watches over your failures—promising to "fix you" each time you break—you will unlock permanent upgrades upon returning to the lobby.

Community Activity

  1. Hell DeckSteam announcement

    Hell Deck Patch Note 1.0.4

    Hello, Voyagers! 🫡 We sincerely thank all Voyagers for continuing to share your gameplay experiences and valuable feedback with us through the community. This update addresses…

  2. Hell DeckSteam announcement

    HELL DECK Patch Note 1.0.3

    Hello, Voyagers! We hope you're enjoying Hell Deck so far! It has been about three weeks since launch, and we sincerely thank everyone in our community for sharing your gameplay…

  3. Hell DeckSteam patch notes

    Hot Fix Patch Note 1.0.2

    Hello, Voyagers! We have rolled hotfix featuring Quality of Life (QoL) improvements and some small bug fixes. Please see below for the full details. \[Bug Fixes] • Gravedigger:…

  4. Hell DeckSteam patch notes

    Hot Fix Patch Note 1.0.1

    Hello, Voyagers! Thank you for playing OFFMOON's first MoonDay release, Hell Deck. We have rolled out our very first hotfix featuring Quality of Life (QoL) improvements and…

  5. Hell DeckSteam announcement

    Hell Deck is out NOW

    Salute to all Voyagers! 🫡 Get ready to discover a game worth stealing your night for. Hell Deck is now available on Steam! Today marks our very first MoonDay 🌕, the beginning of…

  6. Hell DeckSteam announcement

    Hell Deck Releases on August 3, 2026!

    Salute to all Voyagers! 🫡 Get ready to discover a game worth stealing your night for. Today, we're excited to introduce MoonDay 🌕, OFFMOON's new monthly tradition. Starting this…

  7. Hell DeckSteam announcement

    😈 Introducing Hell Deck

    Salute to all Voyagers!🫡 We are incredibly thrilled to unveil the next official transmission from OFFMOON: Hell Deck! Get ready for a dark, twisted roguelike deckbuilder defense…

  8. Hell DeckSteam announcement

    OFFMOON Just Landed on STEAM

    Salute to all Voyagers!🫡 We are thrilled to announce the official launch of OFFMOON on Steam! Our mission is simple: to help players discover incredible new indie games and the…

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