How much revenue did Roman Empire vs. Barbarians make?

$102–$275 after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Roman Empire vs. Barbarians sell?

Q: How many copies did Roman Empire vs. Barbarians sell?

74 to 121 copies, based on its 3 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 74–121; $102–$275 after Steam's cut $185–$423 before the cut; from 3 reviews (3 user reviews); Thin evidence: 3 reviews. That range swings on one or two people, so read it as a hint, not a measurement.

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

Copies, estimated from reviews

typical (middle half) 1.0M–1.6M

best case 13.0M (7 Days to Die)

Games like Roman Empire vs. Barbarians

The middle of these games

≈ 1.0M–1.6M copies

≈ $7.9M–$12.6M after Steam's cut

from ~25k 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: 7 Days to Die at ≈ 9.9M–16.1M copies, ≈ $122.7M–$330.0M after Steam's cut. A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Tower Defense (7 of 8) and Survival (5 of 8).
The winners: Winners here lead with Tower Defense + Co-op, priced around $14. The breakout hits carry Casual; a typical game here doesn't.
The era: The games you compared span 2009 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 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

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They Are Billions 2019	Est. copies ≈ 1.5M–2.4M 2.1x vs typical 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
Bloons TD 6 2018	Est. copies ≈ 12.0M–19.5M 16x vs typical SteamSpy 2M–5M	Est. revenue $46.2M–$124.2M after Steam's cut $84.0M–$191.0M before the cut	$13.99	395k reviews Overwhelmingly Positive	Tower DefenseStrategy
Plants vs. Zombies GOTY Edition 2009	Est. copies ≈ 9.8M–16.0M 6.3x vs typical SteamSpy 2M–5M	Est. revenue $13.5M–$36.3M after Steam's cut $24.6M–$55.9M before the cut	$4.99	156k reviews Overwhelmingly Positive	Tower DefenseZombies
Dungeon Defenders II 2017	Est. copies ≈ 762k–1.2M SteamSpy 2M–5M	Est. revenue Free	Free	22k reviews Mostly Positive	MultiplayerOnline Co-Op
Dungeon Defenders 2011	Est. copies ≈ 1.2M–2.0M SteamSpy 2M–5M	Est. revenue $4.9M–$13.3M after Steam's cut $9.0M–$20.5M before the cut	$14.99	19k reviews Very Positive	MultiplayerOnline Co-Op
Mindustry 2019	Est. copies ≈ 807k–1.3M SteamSpy 1M–2M	Est. revenue $2.2M–$6.0M after Steam's cut $4.0M–$9.2M before the cut	$9.99	28k reviews Overwhelmingly Positive	Base-BuildingResource Management
The Riftbreaker 2021	Est. copies ≈ 614k–998k SteamSpy 1M–2M	Est. revenue $5.1M–$13.6M after Steam's cut $9.2M–$21.0M before the cut	$29.99	25k reviews Very Positive	Base-BuildingTower Defense
7 Days to Die 2024	Est. copies ≈ 9.9M–16.1M 16x vs typical SteamSpy 10M–20M	Est. revenue $122.7M–$330.0M after Steam's cut $223.1M–$507.7M before the cut	$44.99	400k reviews Very Positive	SurvivalZombies