How many copies did Game Master Engine sell?

5k to 8k copies, based on its 207 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Game Master Engine make?

Game Master Engine is free to play, so there is no copy-sales revenue to estimate.

How big is Game Master Engine?

Estimated owners: ≈ 5k–8k; from 207 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 Game Master Engine out and predicted the genre from its 8 similar games. Every figure here, including Game Master Engine's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 975k–1.6M

best case 1.8M (Besiege)

The Building genre

7 of your 8 similar games are hits. A big, proven genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 975k–1.6M copies

≈ $7.1M–$11.3M after Steam's cut

from ~31k reviews

Best case

≈ 1.4M–2.3M copies

Besiege · ≈ $5.8M–$15.5M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on Building (2 of 8) and Fast-Paced (2 of 8).
The winners: Winners here lead with Simulation + Sandbox, priced around $15.
The era: The games you compared span 2016 to 2026, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

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Game	Est. copies	Est. revenue	Price	Reviews	Tags
Rhythm Doctor 2025	Est. copies ≈ 640k–1.0M SteamSpy 500k–1M	Est. revenue $3.5M–$9.5M after Steam's cut $6.4M–$14.5M before the cut	$19.99	27k reviews Overwhelmingly Positive	RhythmMusic
Besiege 2020	Est. copies ≈ 1.4M–2.3M 1.7x vs typical SteamSpy 1M–2M	Est. revenue $5.8M–$15.5M after Steam's cut $10.5M–$23.9M before the cut	$14.99	53k reviews Overwhelmingly Positive	SimulationSandbox
Golf It! 2023	Est. copies ≈ 743k–1.2M SteamSpy 1M–2M	Est. revenue $1.8M–$4.9M after Steam's cut $3.3M–$7.6M before the cut	$8.99	31k reviews Very Positive	MultiplayerMini Golf
FitnessVR 2023	Est. copies ≈ 336–546 too small to compare SteamSpy under 20k	Est. revenue Free	Free	14 reviews Mixed	SportsVR
SpeedRunners 2016	Est. copies ≈ 1.5M–2.4M SteamSpy 2M–5M	Est. revenue $6.1M–$16.5M after Steam's cut $11.1M–$25.3M before the cut	$14.99	37k reviews Very Positive	MultiplayerRacing
VTOL VR 2017	Est. copies ≈ 744k–1.2M SteamSpy 500k–1M	Est. revenue $6.1M–$16.5M after Steam's cut $11.2M–$25.4M before the cut	$29.99	22k reviews Overwhelmingly Positive	FlightVR
DUSK 2018	Est. copies ≈ 770k–1.3M SteamSpy 1M–2M	Est. revenue $4.2M–$11.4M after Steam's cut $7.7M–$17.5M before the cut	$19.99	25k reviews Overwhelmingly Positive	Boomer ShooterFPS
Timberborn 2026	Est. copies ≈ 973k–1.6M SteamSpy 1M–2M	Est. revenue $9.4M–$25.2M after Steam's cut $17.0M–$38.7M before the cut	$34.99	41k reviews Overwhelmingly Positive	City BuilderVoxel