Seal the Gate Before the Final Doom Arrives.

The scholars of Miskatonic University opened a gate between worlds — and something answered.

We thought it was a blessing. But we were wrong. Now their army marches across every city on Earth, and the Doom Counter climbs. But inside the gates, we found hope: heroes who heard our call and chose to fight. Pair two, build a deck, and roll into the dungeon. Seal the gate — or the world ends.

Build your own deck

Choose two heroes from a roster where each hero bends the rules a different way. Every pairing rewrites your charge economy, summon tempo, and payoff routes. Twenty to thirty cards. One machine. Tuned to explode.

Roll through a dungeon board

Each world gate is a tactical board. Dice movement drops you on battles, treasure, shops, rest, elites, and the boss. A run is a chain of board decisions long before the final raid — press your luck, route around an elite, or bank charge for what's waiting at the end.

Seal the gates before R'lyeh rises

Doom is the stars coming right. The world map tracks gates tearing open and raging across major cities, and every gate you clear — or lose — pushes the Doom Counter toward ten. At ten, R'lyeh rises whether you are ready or not. Race to seal the five gates first: every Elder Sign you recover weakens Cthulhu for the final raid.

Solve the Mythos

These bosses aren't damage races. Nyarlathotep, Ithaqua, Hastur and others arrive wrapped in immunity puzzles — find the strategy they're hiding behind, then build the one line that breaks it. And beneath the sea, Great Cthulhu waits for the stars.

Every hero breaks the rules differently

• Carter — pays life for burst damage

• Queen — bypasses defenses and strikes like an assassin

• Neo — raises the charge ceiling and shows true power

• Blue — collects the Mecha parts and summons the Blue Kaiser!

• Lumie — fortifies your slots and shows the power of friendship

• Soccer Boy — plays ghost soccer

Combat at a glance

• Shared hero HP pool per side

• 2 hero slots, 5 minion slots, 5 spell / trap / miracle slots

• Lv1 summons are free; Lv2 once per turn; higher levels need tributes

• Charge rises each turn and powers hero skills and special cards

• Wall, Stealth, Pierce, Ranged, Blink, traps, and persistent field effects

• Enhance a Normal card to forge an Epic-tier card!