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Attack Deck
Attack Deck
Attack Deck
Tabletop attack modifier deck
A cross-platform mobile companion for the attack modifier decks in Gloomhaven, Frosthaven, and Jaws of the Lion. Track your party, manage perks, and draw attack modifier cards with smooth native animations on both iOS and Android.
Everything you need at the table — and nothing that touches the cloud.
Starting and unlockable classes across Gloomhaven, Forgotten Circles, Jaws of the Lion, Frosthaven, and Trail of Ashes.
Toggle perks and your attack modifier deck rebuilds automatically.
Persisted locally on your device. No account, no sync, no signup.
Put the card back on top of the deck — rolling sequences undone as one atomic step.
Full reshuffle, or shuffle the un-drawn pile only.
Draw two sequences side-by-side and pick the one that matters.
One-shot cards that remove themselves the first time they're drawn.
A gentle nudge when a Miss or ×2 lands, so you never forget to reshuffle.
Subtle taps on draw and shuffle. Toggleable in settings.
Unlockable classes hidden behind their code names until you tap to reveal.
English, German, French, Spanish, and Italian. Auto-detects device language; manual override in settings.
44 classes across all officially-published Gloomhaven content.
Starting: Brute, Cragheart, Mindthief, Scoundrel, Spellweaver, Tinkerer
Unlockable: 11 more — spoiler-safe in the picker
Starting: Banner Spear, Blinkblade, Boneshaper, Deathwalker, Drifter, Geminate
Unlockable: 11 more — spoiler-safe in the picker
Starting: Demolitionist, Hatchet, Red Guard, Voidwarden
Forgotten Circles: 1 unlockable
Trail of Ashes: 5 unlockable
Attack Deck collects no data. No account, no telemetry, no analytics, no advertising. Everything you do in the app stays on your device.
Read the full privacy policy →