How many copies did Castle of Blackwater sell?

4k to 7k copies, based on its 180 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Castle of Blackwater make?

Castle of Blackwater is free to play, so there is no copy-sales revenue to estimate.

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

We don't have enough similar games to place Castle of Blackwater in its genre yet. The numbers above are Castle of Blackwater's own.

Sizing up your own game? See how many copies games in its genre usually sell before you build it.