How much revenue did Castle Story make?

$1.0M–$2.7M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Castle Story sell?

Q: How many copies did Castle Story sell?

366k to 595k copies, based on its 11k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 366k–595k; $1.0M–$2.7M after Steam's cut $1.8M–$4.2M before the cut; from 11k reviews (Mixed)

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

Copies, estimated from reviews

typical (middle half) 2.9M–5.4M

best case 9.8M (RimWorld)

Games like Castle Story

The middle of these games

≈ 2.9M–5.4M copies

≈ $39.8M–$56.9M after Steam's cut

from ~110k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

All 8 of your similar games are hits.

Best case: RimWorld at ≈ 7.5M–12.2M copies, ≈ $72.0M–$193.5M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Base-Building (7 of 8) and Colony Sim (6 of 8).
The winners: Winners here lead with Colony Sim + Base-Building, priced around $35.
The era: The games you compared span 2015 to 2024, and 1 of your 8 shipped in the last two years.

How these numbers were worked out

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

Copies come from each game's reviews times a sales-per-review rate that falls with release age, from about 31 for the most recent game here to about 61 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Northgard: Definitive Edition 2018	Est. copies ≈ 2.1M–3.4M SteamSpy 2M–5M	Est. revenue $20.1M–$54.1M after Steam's cut $36.6M–$83.2M before the cut	$34.99	69k reviews Very Positive	StrategyCity Builder
Prison Architect 2015	Est. copies ≈ 3.6M–5.9M SteamSpy 5M–10M	Est. revenue $29.7M–$79.9M after Steam's cut $54.0M–$122.9M before the cut	$29.99	74k reviews Very Positive	SimulationBuilding
RimWorld 2018	Est. copies ≈ 7.5M–12.2M 2.2x vs typical SteamSpy 5M–10M	Est. revenue $72.0M–$193.5M after Steam's cut $130.8M–$297.7M before the cut	$34.99	246k reviews Overwhelmingly Positive	Colony SimBase-Building
They Are Billions 2019	Est. copies ≈ 1.5M–2.4M SteamSpy 2M–5M	Est. revenue $12.2M–$32.8M after Steam's cut $22.2M–$50.5M before the cut	$29.99	51k reviews Very Positive	Base-BuildingColony Sim
Oxygen Not Included 2019	Est. copies ≈ 4.1M–6.7M SteamSpy 2M–5M	Est. revenue $28.4M–$76.4M after Steam's cut $51.7M–$117.5M before the cut	$24.99	144k reviews Overwhelmingly Positive	Colony SimBase-Building
Manor Lords 2024	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $24.9M–$67.0M after Steam's cut $45.3M–$103.1M before the cut	$39.99	91k reviews Very Positive	StrategyCity Builder
Frostpunk 2018	Est. copies ≈ 4.2M–6.8M SteamSpy 2M–5M	Est. revenue $34.4M–$92.4M after Steam's cut $62.5M–$142.2M before the cut	$29.99	137k reviews Very Positive	City Builder Survival
Cult of the Lamb 2022	Est. copies ≈ 3.2M–5.2M SteamSpy 2M–5M	Est. revenue $22.1M–$59.3M after Steam's cut $40.1M–$91.2M before the cut	$24.99	129k reviews Overwhelmingly Positive	Base-BuildingCute