How much revenue did Rolling Line make?

$437k–$1.2M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Rolling Line sell?

Q: How many copies did Rolling Line sell?

79k to 129k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 79k–129k; $437k–$1.2M after Steam's cut $794k–$1.8M before Steam's cut; from 3k reviews (Overwhelmingly Positive)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid Rolling Line and predicted how it would do from its 8 similar games. Every figure here, including Rolling Line's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 429k–1.1M

best case 1.2M (Transport Fever 2)

Games like Rolling Line

A typical game among these

≈ 429k–1.1M copies

≈ $5.7M–$19.3M after Steam's cut

from ~14k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

All 8 of the similar games are hits.

Best case: Transport Fever 2 at ≈ 950k–1.5M copies, ≈ $10.4M–$28.1M after Steam's cut.

What their first month looked like

About half the games that made it here had over 2k reviews in their first month; the range was 618 to 3k.

The genre you'd be entering

These games: The similar games share Simulation (7 of 8) and Trains (7 of 8).
The winners: Winners here lead with Simulation + Management, priced around $40.
When they shipped: The similar games span 2015 to 2023, 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 61 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
Factory Town 2021	Est. copies ≈ 111k–181k too small to compare SteamSpy 200k–500k	Est. revenue $612k–$1.6M after Steam's cut $1.1M–$2.5M before Steam's cut	$19.99	4k reviews Very Positive	AutomationBase-Building
Transport Fever 2 2019	Est. copies ≈ 950k–1.5M 2.4x vs typical SteamSpy 1M–2M	Est. revenue $10.4M–$28.1M after Steam's cut $19.0M–$43.2M before Steam's cut	$39.99	33k reviews Very Positive	SimulationStrategy
OpenTTD 2021	Est. copies ≈ 422k–686k SteamSpy 1M–2M	Est. revenue Free	Free	17k reviews Very Positive	SimulationBuilding
Railway Empire 2018	Est. copies ≈ 296k–480k SteamSpy 500k–1M	Est. revenue $2.4M–$6.6M after Steam's cut $4.4M–$10.1M before Steam's cut	$29.99	10k reviews Very Positive	StrategySimulation
Derail Valley 2019	Est. copies ≈ 283k–460k SteamSpy 500k–1M	Est. revenue $3.1M–$8.4M after Steam's cut $5.7M–$12.9M before Steam's cut	$39.99	10k reviews Overwhelmingly Positive	Early AccessTrains
Transport Fever 2016	Est. copies ≈ 452k–734k SteamSpy 1M–2M	Est. revenue $3.7M–$10.0M after Steam's cut $6.8M–$15.4M before Steam's cut	$29.99	11k reviews Very Positive	FlightCity Builder
Train Sim World® 4 2023	Est. copies ≈ 100k–162k too small to compare SteamSpy 50k–100k	Est. revenue $824k–$2.2M after Steam's cut $1.5M–$3.4M before Steam's cut	$29.99	4k reviews Mostly Positive	TrainsSimulation
Train Simulator Classic 2015	Est. copies ≈ 1.4M–2.3M 2.1x vs typical SteamSpy 1M–2M	Est. revenue $11.9M–$31.9M after Steam's cut $21.6M–$49.1M before Steam's cut	$29.99	29k reviews Mostly Positive	SimulationTrains