The Game Census
The Castle Doctrine cover art

The Castle Doctrine

Jason Rohrer · 2014-01-29

Steam

IndieMassively MultiplayerStrategy

Modes: Multiplayer, Massively Multiplayer Online (MMO)

Releases: Jan 29, 2014 (Linux), Jan 29, 2014 (Mac), Jan 29, 2014 (PC (Microsoft Windows))

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.

0
playing now
50,000–100,000
owners (SteamSpy est.)
68/100
critic score (2 outlets, IGDB)
50/100
IGDB user rating (0 ratings)
$3.99
steam price (US)

0 players in-game as of 2026-08-30 10:00 UTC (census sample)

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.

Players online

102026-08-11 20:00 — 0 players2026-08-12 12:00 — 0 players2026-08-13 03:00 — 0 players2026-08-13 19:00 — 0 players2026-08-14 11:00 — 0 players2026-08-15 03:00 — 0 players2026-08-15 19:00 — 0 players2026-08-16 11:00 — 0 players2026-08-17 03:00 — 1 players2026-08-17 18:00 — 0 players2026-08-18 10:00 — 0 players2026-08-19 02:00 — 0 players2026-08-19 18:00 — 0 players2026-08-20 10:00 — 0 players2026-08-21 01:00 — 0 players2026-08-21 17:00 — 0 players2026-08-22 09:00 — 0 players2026-08-23 01:00 — 0 players2026-08-23 16:00 — 0 players2026-08-24 08:00 — 0 players2026-08-25 00:00 — 0 players2026-08-25 16:00 — 0 players2026-08-26 08:00 — 0 players2026-08-27 01:00 — 0 players2026-08-27 17:00 — 0 players2026-08-28 09:00 — 0 players2026-08-29 01:00 — 0 players2026-08-29 18:00 — 0 players2026-08-30 10:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Details

WindowsmacOSLinuxMulti-playerMMOCross-Platform MultiplayerSteam CloudFamily Sharing

1 supported languages: English

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

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Similarity via IGDB.

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