How many copies did One Dreamer: Prologue sell?

20k to 32k copies, based on its 794 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did One Dreamer: Prologue make?

One Dreamer: Prologue is free to play, so there is no copy-sales revenue to estimate.

Estimated players who have it: ≈ 20k–32k; from 794 reviews (Overwhelmingly Positive)

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 One Dreamer: Prologue in its genre yet. The numbers above are One Dreamer: Prologue's own.

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