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The Castle Doctrine needs at least Onboard Graphics and 40 MB RAM.
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The Castle Doctrine is a massively-multiplayer game of burglary and home defense. It's 1991, and things are bad. You're a guy with a house and family. Other players are coming to take what's yours. Build security to stop them. Study their houses, buy tools, and break in to take what's theirs. Everything you do is permanent
Game modes: Multiplayer, Massively Multiplayer Online (MMO)
Right now the lowest price for The Castle Doctrine we're tracking is $3.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for The Castle Doctrine is $3.99 at Steam on August 1, 2026. The current best price matches that all-time low — historically a good time to buy.
44% of 265 Steam user reviews for The Castle Doctrine are positive ("Mixed"). It also holds a Metacritic score of 58.
The minimum system requirements for The Castle Doctrine are — OS: XP or later; CPU: 900 MHz; GPU: Onboard Graphics; RAM: 40 MB RAM; Storage: 10 MB available space. See the full minimum and recommended specs in the system requirements section on this page.
The Castle Doctrine released on January 29, 2014, developed by Jason Rohrer and published by Jason Rohrer.
The Castle Doctrine is available on Linux, PC (Microsoft Windows), Mac. It supports multiplayer, massively multiplayer online (mmo).
The cheapest The Castle Doctrine price right now is $3.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $3.99 | Buy The Castle Doctrine at Steam |
All-time low: $3.99 at Steam on Aug 1, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
