How many copies did Epic Roller Coasters sell?

24k to 39k copies, based on its 784 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Epic Roller Coasters make?

Epic Roller Coasters is free to play, so there is no copy-sales revenue to estimate.

How big is Epic Roller Coasters?

Estimated owners: ≈ 24k–39k; from 784 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 Epic Roller Coasters out and predicted the genre from its 8 similar games. Every figure here, including Epic Roller Coasters's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 721k–783k

best case 12.7M (Assetto Corsa)

Games like Epic Roller Coasters

The middle of these games

≈ 721k–783k copies

≈ $5.5M after Steam's cut

from ~16k 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.

Your picks lean toward this genre's biggest survivors; the typical figure reads from its ordinary successes.

Best case: Assetto Corsa at ≈ 9.7M–15.8M copies, ≈ $53.4M–$143.6M after Steam's cut. A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Automobile Sim (8 of 8) and Driving (8 of 8).
The winners: Winners here lead with Racing + Simulation, priced around $20.
The era: The games you compared span 2014 to 2020, 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 70 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
DiRT Rally 2015	Est. copies ≈ 2.0M–3.2M 2.5x vs typical SteamSpy 2M–5M	Est. revenue Free	Free	40k reviews Very Positive	RacingSimulation
F1® 2020 2020	Est. copies ≈ 990k–1.6M 2.5x vs typical SteamSpy 1M–2M	Est. revenue Free	Free	40k reviews Very Positive	RacingSimulation
Assetto Corsa 2014	Est. copies ≈ 9.7M–15.8M 11x vs typical SteamSpy 5M–10M	Est. revenue $53.4M–$143.6M after Steam's cut $97.1M–$220.9M before the cut	$19.99	173k reviews Very Positive	RacingAutomobile Sim
DiRT Rally 2.0 2019	Est. copies ≈ 1.4M–2.3M 3.0x vs typical SteamSpy 1M–2M	Est. revenue $7.7M–$20.6M after Steam's cut $13.9M–$31.7M before the cut	$19.99	48k reviews Very Positive	RacingAutomobile Sim
Assetto Corsa Competizione 2019	Est. copies ≈ 1.4M–2.2M 3.0x vs typical SteamSpy 1M–2M	Est. revenue $15.2M–$40.8M after Steam's cut $27.6M–$62.8M before the cut	$39.99	48k reviews Very Positive	RacingAutomobile Sim
DiRT 4 2017	Est. copies ≈ 559k–909k SteamSpy 500k–1M	Est. revenue Free	Free	16k reviews Very Positive	RacingAutomobile Sim
WRC 7 FIA World Rally Championship 2017	Est. copies ≈ 539k–876k SteamSpy 500k–1M	Est. revenue $3.0M–$8.0M after Steam's cut $5.4M–$12.3M before the cut	$19.99	16k reviews Very Positive	RacingAutomobile Sim
Project CARS 2 2017	Est. copies ≈ 634k–1.0M SteamSpy 1M–2M	Est. revenue Free	Free	18k reviews Very Positive	RacingDriving