How many copies did Grimm's Hollow sell?

419k to 680k copies, based on its 15k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Grimm's Hollow make?

Grimm's Hollow is free to play, so there is no copy-sales revenue to estimate.

How big is Grimm's Hollow?

Estimated owners: ≈ 419k–680k; from 15k reviews (Overwhelmingly Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

Does this actually work?

We left Grimm's Hollow out and predicted the genre from its 8 similar games. Every figure here, including Grimm's Hollow's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 907k–2.3M

best case 9.7M (RimWorld)

The Management genre

All 8 of your similar games are hits. A big, proven genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 907k–2.3M copies

≈ $5.0M–$6.1M after Steam's cut

from ~29k reviews

Best case

≈ 7.4M–12.0M copies

RimWorld · ≈ $71.1M–$191.2M after Steam's cut

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Management (3 of 8) and MMORPG (3 of 8).
The winners: Winners here lead with Colony Sim + Base-Building, priced around $35. The breakout hits carry Colony Sim + Survival + Base-Building; a typical game here doesn't.
The era: The games you compared span 2012 to 2025, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Realm of the Mad God Exalt 2012	Est. copies ≈ 2.5M–4.0M 1.6x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	48k reviews Very Positive	Pixel GraphicsMMORPG
RimWorld 2018	Est. copies ≈ 7.4M–12.0M 8.3x vs typical SteamSpy 5M–10M	Est. revenue $71.1M–$191.2M after Steam's cut $129.3M–$294.2M before the cut	$34.99	243k reviews Overwhelmingly Positive	Colony SimBase-Building
IdleOn 2025	Est. copies ≈ 704k–1.1M SteamSpy 1M–2M	Est. revenue Free	Free	29k reviews Mostly Positive	IdlerPixel Graphics
Trove 2015	Est. copies ≈ 4.3M–7.0M 3.2x vs typical SteamSpy 10M–20M	Est. revenue Free	Free	93k reviews Mostly Positive	Free to PlayOpen World
Streets of Rogue 2019	Est. copies ≈ 661k–1.1M SteamSpy 1M–2M	Est. revenue $3.6M–$9.8M after Steam's cut $6.6M–$15.0M before the cut	$19.99	23k reviews Overwhelmingly Positive	Rogue-liteAction Roguelike
POLYGON 2020	Est. copies ≈ 974k–1.6M SteamSpy 1M–2M	Est. revenue Free	Free	37k reviews Mostly Positive	Free to PlayFPS
Kingdom: Classic 2015	Est. copies ≈ 1.1M–1.7M SteamSpy 2M–5M	Est. revenue Free	Free	23k reviews Very Positive	Free to PlayStrategy
There Is No Game: Wrong Dimension 2020	Est. copies ≈ 678k–1.1M SteamSpy 500k–1M	Est. revenue $2.4M–$6.5M after Steam's cut $4.4M–$10.0M before the cut	$12.99	26k reviews Overwhelmingly Positive	IndieAdventure