How many people are playing CastleOn right now?

CastleOn is app 3638920 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of CastleOn?

17 concurrent players on Aug 2026.

When was CastleOn released on Steam?

CastleOn was released on Steam on 6 Aug 2026.

CastleOn

Steam features

Community

WorkshopYes

MarketNo

Trading cardsNo

In-app purchasesNo

AchievementsYes

Remote PlayNo

Steam CloudYes

Family sharingYes

Single-playerSteam AchievementsSteam WorkshopAdjustable Text SizeCamera ComfortCustom Volume ControlsAdjustable DifficultyMouse Only OptionPlayable without Timed InputSave AnytimeStereo SoundSteam CloudIncludes level editor