Face the Horrors…
Survive the Story
A cooperative tactical horror adventure for 1–4 players. Survival is never guaranteed, and true terror waits beyond your darkest expectations.
- Immersive Cosmic Horror
- Deep Tactical Gameplay
- Endless Replayability
- Cinematic Co-op
- Gorgeous Art & Components

A true descent into horror
The world of Machina Arcana is steeped in eldritch terror. Every scenario plays out like a chapter of a Lovecraftian novel. Grotesque things wait just past the light, and every choice edges you toward survival or madness.

Brutal, yet rewarding tactical depth
Machina Arcana isn’t just about rolling dice and hoping for the best. Every action matters. Exploration is an intense, high-stakes puzzle where players must adapt, use their resources wisely, and cooperate to survive. Enemies evolve, events shift the battlefield, and the difficulty is relentless. So is the satisfaction of overcoming it.

A modular world of infinite possibilities
With multiple expansions, modular map tiles, and a vast array of equipment, each session of Machina Arcana is unique. Whether you’re facing off against grotesque cosmic entities or scavenging for artifacts, no two stories unfold the same way.

Miniatures that elevate the experience
64 monsters from the Cthulhu Mythos and 30 steampunk explorers make 94 unique miniatures in all. No two are alike, and each one is sculpted to carry the nightmare to the table.

A proven, polished dungeon crawl
With 13+ years of refinement, Machina Arcana has been shaped into the ultimate horror adventure. This is not just another game. It is a deep, immersive, and finely tuned experience with an active community, an online card database, official guides, and ongoing support. If you’re looking for a game that has stood the test of time and continues to evolve, this is it.
The Card Database
Browse every card freely — monsters, explorers, items, lore, abilities, and per-card FAQ, in five languages. No account, no paywall: the whole catalogue is open to read, search, and share.
Your expedition logbook
Sign in and the Forge becomes yours: plan expeditions, load machinations and their variants, and chase achievements that carry across every session — your campaign tracked and ready the next time you sit down to play.
The work of many hands
Guides
Files
- ManualPDF · EN
- GuidebookPDF · EN
- Player aidPDF · EN
- From Beyond leafletPDF · EN
- To Eternity leafletPDF · EN
- Complete documentationZIP · EN

A living, breathing world
New scenarios, explorers, monsters, items, and events — and a new way to explore. Encounters, environments, and layouts let every expedition tell its own story, with deeper narrative and a thicker atmosphere each session. And all of it is fully compatible with every edition, expansion, and scenario you already own.
Join the Vivarium campaignHave you ever been frightened into paradise?

