How much revenue did Roads Of Rome: Portals 2 Collector’s Edition make?

$735–$2k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Roads Of Rome: Portals 2 Collector’s Edition sell?

Q: How many copies did Roads Of Rome: Portals 2 Collector’s Edition sell?

446 to 725 copies, based on its 18 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 446–725; $735–$2k after Steam's cut $1k–$3k before the cut; from 18 reviews (Mixed)

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 Roads Of Rome: Portals 2 Collector’s Edition out and predicted the genre from its 8 similar games. Every figure here, including Roads Of Rome: Portals 2 Collector’s Edition's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 260k–1.2M

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

Games like Roads Of Rome: Portals 2 Collector’s Edition

The middle of these games

≈ 260k–1.2M copies

≈ $1.1M–$26.4M after Steam's cut

from ~18k 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 14k reviews in their first month; the spread ran 735 to 35k.

The genre you'd be entering

Your set: Your set clusters on 4X (6 of 8) and Turn-Based Strategy (6 of 8).
The winners: Winners here lead with Turn-Based Strategy + Historical, priced around $60.
The era: The games you compared span 2006 to 2025, 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

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Rebuild 3: Gangs of Deadsville 2015	Est. copies ≈ 100k–162k SteamSpy 100k–200k	Est. revenue $412k–$1.1M after Steam's cut $749k–$1.7M before the cut	$14.99	2k reviews Very Positive	Colony Sim Survival
Dorfromantik 2022	Est. copies ≈ 733k–1.2M 1.6x vs typical SteamSpy 1M–2M	Est. revenue $2.8M–$7.6M after Steam's cut $5.1M–$11.7M before the cut	$13.99	30k reviews Overwhelmingly Positive	PuzzleRelaxing
Sid Meier’s Civilization® VI 2016	Est. copies ≈ 15.7M–25.6M 21x 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
Sid Meier's Civilization VII 2025	Est. copies ≈ 1.4M–2.4M 3.2x 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
HUMANKIND™ 2021	Est. copies ≈ 709k–1.2M 1.6x vs typical 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
Sid Meier's Civilization® III Complete 2006	Est. copies ≈ 492k–800k SteamSpy 1M–2M	Est. revenue $675k–$1.8M after Steam's cut $1.2M–$2.8M before the cut	$4.99	8k reviews Very Positive	StrategyTurn-Based Strategy
Sid Meier's Civilization® IV 2006	Est. copies ≈ 231k–375k SteamSpy 1M–2M	Est. revenue $1.3M–$3.4M after Steam's cut $2.3M–$5.2M before the cut	$19.99	4k reviews Very Positive	StrategyTurn-Based Strategy
dotAGE 2023	Est. copies ≈ 66k–108k SteamSpy 100k–200k	Est. revenue $321k–$863k after Steam's cut $584k–$1.3M before the cut	$17.59	3k reviews Overwhelmingly Positive	Resource ManagementTurn-Based