How many copies did Robot Rumble 2 sell?

7k to 12k copies, based on its 289 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Robot Rumble 2 make?

Robot Rumble 2 is free to play, so there is no copy-sales revenue to estimate.

How big is Robot Rumble 2?

Estimated owners: ≈ 7k–12k; from 289 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 Robot Rumble 2 out and predicted the genre from its 8 similar games. Every figure here, including Robot Rumble 2's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 33k–36.2M

best case 78.0M (Euro Truck Simulator 2)

Games like Robot Rumble 2

The middle of these games

≈ 33k–36.2M copies

≈ $138k–$129.9M after Steam's cut

from ~3k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

6 of your 8 similar games are hits.

Best case: Euro Truck Simulator 2 at ≈ 59.4M–96.6M copies, ≈ $326.7M–$878.4M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Robots (5 of 8) and Simulation (5 of 8).
The winners: Winners here lead with Driving + Transportation, priced around $20.
The era: The games you compared span 2012 to 2025, and 2 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
Euro Truck Simulator 2 2012	Est. copies ≈ 59.4M–96.6M 288x vs typical SteamSpy 10M–20M	Est. revenue $326.7M–$878.4M after Steam's cut $594.0M–$1351.4M before the cut	$19.99	940k reviews Overwhelmingly Positive	DrivingTransportation
War Thunder 2013	Est. copies ≈ 49.3M–80.1M 239x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	780k reviews Mostly Positive	Free to PlaySimulation
BeamNG.drive 2015	Est. copies ≈ 20.3M–33.0M 127x vs typical SteamSpy 5M–10M	Est. revenue $139.6M–$375.3M after Steam's cut $253.8M–$577.4M before the cut	$24.99	416k reviews Overwhelmingly Positive	SimulationDriving
French Fries Pusher Friends 2024	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue $1k–$3k after Steam's cut $2k–$5k before the cut	$3.99	45 reviews Mixed	Time ManagementBullet Hell
CAT Interstellar 2017	Est. copies ≈ 37k–60k SteamSpy 200k–500k	Est. revenue $102k–$275k after Steam's cut $186k–$423k before the cut	$9.99	1k reviews Mostly Positive	CatsAdventure
Job Simulator 2016	Est. copies ≈ 227k–369k 1.7x vs typical SteamSpy 200k–500k	Est. revenue $1.2M–$3.4M after Steam's cut $2.3M–$5.2M before the cut	$19.99	5k reviews Very Positive	VRSimulation
JOY OF PROGRAMMING - Software Engineering Simulator 2025	Est. copies ≈ 10k–16k SteamSpy 20k–50k	Est. revenue $48k–$128k after Steam's cut $87k–$197k before the cut	$17.99	389 reviews Mostly Positive	ProgrammingAutomation
Vacation Simulator 2019	Est. copies ≈ 31k–50k SteamSpy under 20k	Est. revenue $169k–$455k after Steam's cut $307k–$699k before the cut	$19.99	1k reviews Very Positive	VRSimulation