How much revenue did Diplomacy is Not an Option make?

$2.6M–$6.9M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Diplomacy is Not an Option sell?

Q: How many copies did Diplomacy is Not an Option sell?

310k to 503k copies, based on its 12k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 310k–503k; $2.6M–$6.9M after Steam's cut $4.6M–$10.6M before the cut; from 12k 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 Diplomacy is Not an Option out and predicted the genre from its 8 similar games. Every figure here, including Diplomacy is Not an Option's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.8M–6.9M

best case 18.7M (Cities: Skylines)

Games like Diplomacy is Not an Option

The middle of these games

≈ 1.8M–6.9M copies

≈ $26.2M–$140.0M after Steam's cut

from ~76k 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: Cities: Skylines at ≈ 14.2M–23.1M copies, ≈ $117.4M–$315.8M after Steam's cut.

What it took to get here

About half the games that made it here had over 20k reviews in their first month; the spread ran 17k to 44k.

The genre you'd be entering

Your set: Your set clusters on City Builder (6 of 8) and Simulation (5 of 8).
The winners: Winners here lead with City Builder + Simulation, priced around $30.
The era: The games you compared span 2012 to 2024, 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
Europa Universalis IV 2013	Est. copies ≈ 8.7M–14.1M 1.8x vs typical 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
Against the Storm 2023	Est. copies ≈ 926k–1.5M SteamSpy 500k–1M	Est. revenue $7.6M–$20.5M after Steam's cut $13.9M–$31.6M before the cut	$29.99	37k reviews Very Positive	StrategyCity Builder
Cities: Skylines 2015	Est. copies ≈ 14.2M–23.1M 3.8x vs typical SteamSpy 10M–20M	Est. revenue $117.4M–$315.8M after Steam's cut $213.5M–$485.8M before the cut	$29.99	292k reviews Very Positive	City Builder Simulation
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
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
Frostpunk 2018	Est. copies ≈ 4.2M–6.8M 1.8x vs typical 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
Victoria 3 2022	Est. copies ≈ 1.5M–2.5M 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
Age of Empires® III (2007) 2012	Est. copies ≈ 2.0M–3.3M SteamSpy 2M–5M	Est. revenue Free	Free	32k reviews Very Positive	StrategyRTS