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 players who have it: ≈ 422–685; from 17 reviews (Mostly 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 Rover Mechanic Challenge - ERC Competition and predicted how it would do from its 8 similar games. Every figure here, including Rover Mechanic Challenge - ERC Competition's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 3.5M–10.1M

best case 18.7M (Cities: Skylines)

Games like Rover Mechanic Challenge - ERC Competition

A typical game among these

≈ 3.5M–10.1M copies

≈ $38.3M–$152.5M after Steam's cut

from ~127k 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: Cities: Skylines at ≈ 14.2M–23.1M copies, ≈ $117.2M–$315.2M after Steam's cut.

What their first month looked like

About half the games that made it here had over 22k reviews in their first month; the range was 16k to 26k.

The genre you'd be entering

These games: The similar games share Simulation (8 of 8) and Sandbox (6 of 8).
The winners: Winners here lead with City Builder + Simulation, priced around $30.
When they shipped: The similar games 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–5.7M SteamSpy 2M–5M	Est. revenue $48.6M–$130.7M after Steam's cut $88.4M–$201.1M before Steam's 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–$302.6M after Steam's cut $204.7M–$465.6M before Steam's cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy
House Flipper 2018	Est. copies ≈ 3.4M–5.5M SteamSpy 2M–5M	Est. revenue $23.4M–$63.0M after Steam's cut $42.6M–$96.9M before Steam's cut	$24.99	112k reviews Very Positive	SimulationDesign & Illustration
RimWorld 2018	Est. copies ≈ 7.6M–12.3M 2.0x vs typical SteamSpy 5M–10M	Est. revenue $72.7M–$195.4M after Steam's cut $132.2M–$300.7M before Steam's cut	$34.99	249k reviews Overwhelmingly Positive	Colony SimBase-Building
Planet Zoo 2019	Est. copies ≈ 2.8M–4.6M SteamSpy 2M–5M	Est. revenue $34.9M–$93.8M after Steam's cut $63.4M–$144.3M before Steam's cut	$44.99	98k reviews Very Positive	Management Simulation
Farming Simulator 22 2021	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $12.7M–$34.1M after Steam's cut $23.1M–$52.5M before Steam's 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–$33.7M after Steam's cut $22.8M–$51.9M before Steam's 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 $117.2M–$315.2M after Steam's cut $213.1M–$484.9M before Steam's cut	$29.99	291k reviews Very Positive	City Builder Simulation