How many copies did Grimm's Hollow sell?

An estimated 418k 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: ≈ 418k–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) 904k–2.3M

best case 9.7M (RimWorld)

The Free to Play lane

A big, proven genre, though hit-driven: most sell around 1.3M copies, while a few break out far above.

A typical game

≈ 1.3M copies

≈ $5.6M after Steam's cut

from ~29k reviews

Best case

≈ 9.7M copies

RimWorld · ≈ $130.7M after Steam's cut

from 242k reviews

A breakout hit, far above a typical game.

7 of your 8 games sit in the typical range; 1 is a breakout hit far above it.

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

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 games you compared span 2012 to 2025, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
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 +6
RimWorld 2018	Est. copies ≈ 7.4M–12.0M 8.3x vs typical SteamSpy 5M–10M	Est. revenue $70.9M–$190.6M net $128.9M–$293.2M gross	$34.99	242k reviews Overwhelmingly Positive	Colony SimBase-Building +6
IdleOn 2025	Est. copies ≈ 701k–1.1M SteamSpy 1M–2M	Est. revenue Free	Free	29k reviews Mostly Positive	IdlerPixel Graphics +6
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 +6
Streets of Rogue 2019	Est. copies ≈ 660k–1.1M SteamSpy 1M–2M	Est. revenue $3.6M–$9.8M net $6.6M–$15.0M gross	$19.99	23k reviews Overwhelmingly Positive	Rogue-liteAction Roguelike +6
POLYGON 2020	Est. copies ≈ 973k–1.6M SteamSpy 1M–2M	Est. revenue Free	Free	37k reviews Mostly Positive	Free to PlayFPS +6
Kingdom: Classic 2015	Est. copies ≈ 1.1M–1.7M SteamSpy 2M–5M	Est. revenue Free	Free	23k reviews Very Positive	Free to PlayStrategy +6
There Is No Game: Wrong Dimension 2020	Est. copies ≈ 677k–1.1M SteamSpy 500k–1M	Est. revenue $2.4M–$6.5M net $4.4M–$10.0M gross	$12.99	26k reviews Overwhelmingly Positive	IndieAdventure +6