How much revenue did PRINCIPIA: Master of Science make?

$36k–$97k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did PRINCIPIA: Master of Science sell?

Q: How many copies did PRINCIPIA: Master of Science sell?

13k to 21k copies, based on its 316 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 13k–21k; $36k–$97k after Steam's cut $66k–$149k before the cut; from 316 reviews (Mostly 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 PRINCIPIA: Master of Science out and predicted the genre from its 8 similar games. Every figure here, including PRINCIPIA: Master of Science's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 358–306k

best case 1.9M (Sid Meier's Civilization VII)

Games like PRINCIPIA: Master of Science

The middle of these games

≈ 358–306k copies

≈ $3k–$3.3M after Steam's cut

from ~304 reviews

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

3 of your 8 similar games are hits.

Best case: Sid Meier's Civilization VII at ≈ 1.4M–2.4M copies, ≈ $27.9M–$75.0M after Steam's cut.

What it took to get here

About half the games that made it here had over 95 reviews in their first month; the spread ran 1 to 35k.

Under about 100 in month one, almost nothing recovers.

The genre you'd be entering

Your set: Your set clusters on Simulation (7 of 8) and Political Sim (6 of 8).
The winners: Winners here lead with Grand Strategy + Historical, priced around $70.
The era: The games you compared span 2013 to 2025, and 2 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 VII 2025	Est. copies ≈ 1.4M–2.4M 193x vs typical 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
Ministry of Pandemic 2022	Est. copies ≈ 124–202 SteamSpy under 20k	Est. revenue $170–$459 after Steam's cut $309–$706 before the cut	$4.99	5 reviews 5 user reviews	IndieStrategy
Democracy 3 2013	Est. copies ≈ 458k–745k 24x vs typical SteamSpy 200k–500k	Est. revenue $3.2M–$8.5M after Steam's cut $5.7M–$13.0M before the cut	$24.99	7k reviews Mostly Positive	Political SimSimulation
Political Animals 2016	Est. copies ≈ 8k–13k SteamSpy 20k–50k	Est. revenue $33k–$89k after Steam's cut $60k–$136k before the cut	$14.99	192 reviews Mixed	Political SimSimulation
Democracy 4 2022	Est. copies ≈ 158k–257k 21x vs typical SteamSpy 200k–500k	Est. revenue $1.3M–$3.5M after Steam's cut $2.4M–$5.4M before the cut	$29.99	6k reviews Very Positive	StrategyPolitical Sim
Lawgivers 2020	Est. copies ≈ 10k–17k SteamSpy 20k–50k	Est. revenue $20k–$53k after Steam's cut $36k–$82k before the cut	$6.99	415 reviews Very Positive	Political SimSimulation
Arms Race 2 2023	Est. copies ≈ 322–524 SteamSpy under 20k	Est. revenue $2k–$5k after Steam's cut $3k–$7k before the cut	$19.99	13 reviews Positive	StrategyGrand Strategy
The Monetary Lever 2025	Est. copies ≈ 50–81 SteamSpy under 20k	Est. revenue $28–$73 after Steam's cut $50–$113 before the cut	$1.99	2 reviews 2 user reviews	StrategySimulation