Is The Castle Doctrine multiplayer or co-op?

Yes — online multiplayer. The Castle Doctrine is a turn-based & grand strategy game released in 2014, 49% positive on Steam (377 reviews). $3.99 on Steam.

Steam tags: Indie, Massively Multiplayer, Strategy, Perma Death, Difficult, Puzzle, 2D, Pixel Graphics

Do you and a friend both own The Castle Doctrine?

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Quick answers

Is The Castle Doctrine co-op?

The Castle Doctrine does not list co-op on Steam; it has Online multiplayer.

Does The Castle Doctrine have PvP?

Steam does not list PvP for The Castle Doctrine.

How many people play The Castle Doctrine?

Player counts were not available when this page was built.

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. How the data works · Legal & privacy · All types · Game Pass