How much revenue did Sigma Theory: Global Cold War make?

$197k–$531k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Sigma Theory: Global Cold War sell?

Q: How many copies did Sigma Theory: Global Cold War sell?

40k to 65k copies, based on its 1k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 40k–65k; $197k–$531k after Steam's cut $359k–$816k before the cut; from 1k 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 Sigma Theory: Global Cold War out and predicted the genre from its 8 similar games. Every figure here, including Sigma Theory: Global Cold War's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 591k–1.7M

best case 2.0M (Victoria 3)

Games like Sigma Theory: Global Cold War

The middle of these games

≈ 591k–1.7M copies

≈ $6.3M–$16.1M after Steam's cut

from ~23k 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: Victoria 3 at ≈ 1.5M–2.5M copies, ≈ $20.8M–$55.9M after Steam's cut.

What it took to get here

About half the games that made it here had over 3k reviews in their first month; the spread ran 3k to 20k.

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 + Economy, priced around $50.
The era: The games you compared span 2010 to 2022, and none of them 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
Eco 2018	Est. copies ≈ 427k–694k SteamSpy 500k–1M	Est. revenue $3.5M–$9.5M after Steam's cut $6.4M–$14.6M before the cut	$29.99	14k reviews Very Positive	Early AccessSimulation
Victoria II 2010	Est. copies ≈ 1.3M–2.1M SteamSpy 1M–2M	Est. revenue $6.9M–$18.7M after Steam's cut $12.6M–$28.7M before the cut	$19.99	20k reviews Very Positive	Grand StrategyStrategy
Democracy 3 2013	Est. copies ≈ 458k–745k 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
WorldBox - God Simulator 2021	Est. copies ≈ 1.4M–2.3M 2.4x vs typical SteamSpy 1M–2M	Est. revenue $7.7M–$20.6M after Steam's cut $14.0M–$31.8M before the cut	$19.99	56k reviews Overwhelmingly Positive	SandboxGod Game
Victoria 3 2022	Est. copies ≈ 1.5M–2.5M 2.6x vs typical SteamSpy 1M–2M	Est. revenue $20.8M–$55.9M after Steam's cut $37.8M–$86.0M before the cut	$49.99	61k reviews Mostly Positive	Grand StrategyEconomy
Tropico 6 2019	Est. copies ≈ 848k–1.4M SteamSpy 1M–2M	Est. revenue $9.3M–$25.1M after Steam's cut $17.0M–$38.6M before the cut	$39.99	29k reviews Very Positive	City BuilderStrategy
Rebel Inc: Escalation 2021	Est. copies ≈ 187k–304k SteamSpy 200k–500k	Est. revenue $771k–$2.1M after Steam's cut $1.4M–$3.2M before the cut	$14.99	8k reviews Very Positive	StrategySimulation
Imperator: Rome 2019	Est. copies ≈ 774k–1.3M SteamSpy 1M–2M	Est. revenue $8.5M–$22.9M after Steam's cut $15.5M–$35.2M before the cut	$39.99	27k reviews Mixed	StrategyGrand Strategy