How much revenue did Heart of the Machine make?

$431k–$1.2M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Heart of the Machine sell?

Q: How many copies did Heart of the Machine sell?

52k to 85k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 52k–85k; $431k–$1.2M after Steam's cut $784k–$1.8M before the cut; from 2k reviews (Very 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 Heart of the Machine out and predicted the genre from its 8 similar games. Every figure here, including Heart of the Machine's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.7M–10.9M

best case 20.6M (Sid Meier’s Civilization® VI)

Games like Heart of the Machine

The middle of these games

≈ 1.7M–10.9M copies

≈ $38.8M–$210.7M after Steam's cut

from ~114k 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: Sid Meier’s Civilization® VI at ≈ 15.7M–25.6M copies, ≈ $259.5M–$697.7M after Steam's cut.

What it took to get here

About half the games that made it here had over 22k reviews in their first month; the spread ran 12k to 44k.

The genre you'd be entering

Your set: Your set clusters on Grand Strategy (8 of 8) and Historical (6 of 8).
The winners: Winners here lead with Turn-Based Strategy + Historical, priced around $60.
The era: The games you compared span 2013 to 2025, and 3 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 79 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
Sid Meier’s Civilization® VI 2016	Est. copies ≈ 15.7M–25.6M 3.3x vs typical SteamSpy 10M–20M	Est. revenue $259.5M–$697.7M after Steam's cut $471.8M–$1073.4M before the cut	$59.99	378k reviews Very Positive	StrategyTurn-Based Strategy
Manor Lords 2024	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $24.8M–$66.6M after Steam's cut $45.0M–$102.4M before the cut	$39.99	91k reviews Very Positive	StrategyCity Builder
Crusader Kings III 2020	Est. copies ≈ 3.5M–5.8M SteamSpy 2M–5M	Est. revenue $48.8M–$131.2M after Steam's cut $88.7M–$201.9M before the cut	$49.99	143k reviews Very Positive	StrategyMedieval
Sid Meier's Civilization VII 2025	Est. copies ≈ 1.4M–2.4M SteamSpy 1M–2M	Est. revenue $27.9M–$75.0M after Steam's cut $50.7M–$115.4M before the cut	$69.99	58k reviews Mixed	Grand StrategyHistorical
Workers & Resources: Soviet Republic 2024	Est. copies ≈ 673k–1.1M SteamSpy 500k–1M	Est. revenue $7.4M–$19.9M after Steam's cut $13.5M–$30.6M before the cut	$39.99	27k reviews Very Positive	StrategySimulation
Europa Universalis IV 2013	Est. copies ≈ 8.7M–14.1M SteamSpy 5M–10M	Est. revenue $119.2M–$320.5M after Steam's cut $216.8M–$493.1M before the cut	$49.99	137k reviews Very Positive	Grand StrategyStrategy
HUMANKIND™ 2021	Est. copies ≈ 709k–1.2M SteamSpy 1M–2M	Est. revenue $9.8M–$26.2M after Steam's cut $17.7M–$40.3M before the cut	$49.99	29k reviews Mixed	StrategyTurn-Based Strategy
Stellaris 2016	Est. copies ≈ 8.2M–13.3M 1.7x vs typical SteamSpy 2M–5M	Est. revenue $112.6M–$302.8M after Steam's cut $204.7M–$465.8M before the cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy