Cthulhu Realms
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About Cthulhu Realms
Cthulhu Realms is a deck-building card game in which you try to drive your opponents insane or have more sanity than they do when the deck runs out. You begin with a small deck of initiates, goons and followers, then play cards to build locations, change players’ sanity, gain conjuring power for acquiring cards and remove cards from the game.
Turns and winning
At the start of each turn, you draw five cards and play them in order. You can use each location’s power once during your turn. At the end of the turn, discard the cards left in your hand, along with the entities and artifacts you played. Lose all your sanity and you are out; if you are the only player still sane, you win. Otherwise, when the deck runs out, the player with the most sanity wins.
Available cards
Five cards from the deck form a row of available cards on the table. In games with more than two players, place three available cards between each pair of players.
Campaign and multiplayer
The game includes a tutorial, eight campaign missions and play against the AI. The full game adds two AI difficulty settings and eight more campaign missions, as well as Pass and Play for face-to-face games and online play against other opponents, including challenges to a friend.
Frequently asked questions
Yes. Cthulhu Realms is free to play on Steam, so there is nothing to buy to start playing.
The minimum requirements for Cthulhu Realms are: Windows XP. It runs on Windows only. The recommended specs are in the System requirements section.
Yes. Cthulhu Realms has multiplayer and a single-player mode. Players on different platforms can play together.
Mostly, yes. Valve rates Cthulhu Realms as Playable on the Steam Deck: it runs, but may need some manual setup.
Yes. Cthulhu Realms is the full base game. You need nothing else to play it.











