How many people are playing Castle Constructor right now?

Castle Constructor has 0 players on Steam right now, with a 24-hour peak of 1 and an all-time peak of 2 on 6 Sep 2026.

What is the all-time peak player count of Castle Constructor?

2 concurrent players on 6 Sep 2026.

Castle Constructor was released on Steam on 27 Mar 2024.

Castle Constructor Update History · SteamPeaks

5 Sep 20261 event

07:02:133 days agoChangelist37,447,702 · 1 depot · store metadata · assets · launch options · localization+108

Change	Key	Before	After
Launch options · 5
added	Install directoryconfig.installdir	—	Castle Constructor
added	Launch option 0 · argumentsconfig.launch.0.arguments	—	-window-mode borderless
added	Launch option 0 · oslistconfig.launch.0.config.oslist	—	windows
added	Launch option 0 · executableconfig.launch.0.executable	—	Castle Constructor.exe
added	Launch option 0 · typeconfig.launch.0.type	—	default

5 of 108 keys shown · changelist 37,447,702