How many copies did Rover Mechanic Challenge - ERC Competition sell?

422 to 685 copies, based on its 17 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Rover Mechanic Challenge - ERC Competition make?

Rover Mechanic Challenge - ERC Competition is free to play, so there is no copy-sales revenue to estimate.

How big is Rover Mechanic Challenge - ERC Competition?

Estimated owners: ≈ 422–685; from 17 reviews (Mostly 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 Rover Mechanic Challenge - ERC Competition out and predicted the genre from its 8 similar games. Every figure here, including Rover Mechanic Challenge - ERC Competition's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 3.5M–10.0M

best case 18.7M (Cities: Skylines)

Games like Rover Mechanic Challenge - ERC Competition

The middle of these games

≈ 3.5M–10.0M copies

≈ $38.0M–$151.3M after Steam's cut

from ~127k 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 22k reviews in their first month; the spread ran 16k to 26k.

The genre you'd be entering

Your set: Your set clusters on Simulation (8 of 8) and Sandbox (6 of 8).
The winners: Winners here lead with City Builder + Simulation, priced around $30.
The era: The games you compared span 2015 to 2021, 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
Crusader Kings III 2020	Est. copies ≈ 3.5M–5.8M SteamSpy 2M–5M	Est. revenue $48.8M–$131.2M after Steam's cut $88.7M–$201.9M before the cut	$49.99	143k reviews Very Positive	StrategyMedieval
Stellaris 2016	Est. copies ≈ 8.2M–13.3M 1.5x vs typical SteamSpy 2M–5M	Est. revenue $112.6M–$302.8M after Steam's cut $204.7M–$465.8M before the cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy
House Flipper 2018	Est. copies ≈ 3.4M–5.5M SteamSpy 2M–5M	Est. revenue $23.3M–$62.6M after Steam's cut $42.3M–$96.3M before the cut	$24.99	111k reviews Very Positive	SimulationDesign & Illustration
RimWorld 2018	Est. copies ≈ 7.5M–12.1M 1.9x vs typical SteamSpy 5M–10M	Est. revenue $71.8M–$193.1M after Steam's cut $130.6M–$297.1M before the cut	$34.99	246k reviews Overwhelmingly Positive	Colony SimBase-Building
Planet Zoo 2019	Est. copies ≈ 2.8M–4.6M SteamSpy 2M–5M	Est. revenue $34.7M–$93.4M after Steam's cut $63.2M–$143.7M before the cut	$44.99	97k reviews Very Positive	Management Simulation
Farming Simulator 22 2021	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $12.6M–$34.0M after Steam's cut $23.0M–$52.2M before the cut	$19.99	93k reviews Very Positive	Simulation Farming Sim
Dyson Sphere Program 2021	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $12.5M–$33.6M after Steam's cut $22.7M–$51.6M before the cut	$19.99	92k reviews Overwhelmingly Positive	AutomationSpace
Cities: Skylines 2015	Est. copies ≈ 14.2M–23.1M 2.3x 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