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How many copies did Force and Motion sell?

Estimated copies sold
≈ 74–121
$41–$110 after Steam's cut $74–$169 before the cut
from 3 reviews (3 user reviews)
Thin evidence: 3 reviews. That range swings on one or two people, so read it as a hint, not a measurement.

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 Force and Motion out and predicted the genre from its 8 similar games. Every figure here, including Force and Motion's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 438k–2.2M
best case 9.4M (Kerbal Space Program)
Games like Force and Motion

The middle of these games

≈ 438k–2.2M copies

≈ $3.4M–$20.7M after Steam's cut

from ~20k 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: Kerbal Space Program at ≈ 7.1M–11.6M copies, ≈ $78.6M–$211.3M after Steam's cut.

The genre you'd be entering
Your set
Your set clusters on Simulation (8 of 8) and Building (6 of 8).
The winners
Winners here lead with Space + Simulation, priced around $40.
The era
The games you compared span 2015 to 2022, 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

Construction Simulator
2022
Est. copies
≈ 359k–583k
SteamSpy 500k–1M
Est. revenue
$2.5M–$6.6M after Steam's cut $4.5M–$10.2M before the cut
$24.99
14k reviews
Very Positive
SimulationMultiplayer
X-Plane 11
2017
Est. copies
≈ 697k–1.1M
SteamSpy 1M–2M
Est. revenue
$5.7M–$15.5M after Steam's cut $10.4M–$23.8M before the cut
$29.99
20k reviews
Very Positive
SimulationFlight
Bridge Constructor Portal
2017
Est. copies
≈ 258k–419k
SteamSpy 200k–500k
Est. revenue
$709k–$1.9M after Steam's cut $1.3M–$2.9M before the cut
$9.99
7k reviews
Very Positive
Kerbal Space Program
2015
Est. copies
≈ 7.1M–11.6M
7.5x vs typical
SteamSpy 2M–5M
Est. revenue
$78.6M–$211.3M after Steam's cut $142.9M–$325.1M before the cut
$39.99
146k reviews
Overwhelmingly Positive
SpaceSimulation
Universe Sandbox
2015
Est. copies
≈ 1.6M–2.5M
1.6x vs typical
SteamSpy 1M–2M
Est. revenue
$12.9M–$34.7M after Steam's cut $23.5M–$53.4M before the cut
$29.99
32k reviews
Overwhelmingly Positive
SandboxSpace
Car Mechanic Simulator 2018
2017
Est. copies
≈ 1.9M–3.2M
2.9x vs typical
SteamSpy 2M–5M
Est. revenue
$10.7M–$28.8M after Steam's cut $19.4M–$44.2M before the cut
$19.99
57k reviews
Very Positive
SimulationAutomobile Sim
Poly Bridge 2
2020
Est. copies
≈ 204k–332k
SteamSpy 200k–500k
Est. revenue
$842k–$2.3M after Steam's cut $1.5M–$3.5M before the cut
$14.99
8k reviews
Overwhelmingly Positive
BuildingSimulation
Poly Bridge
2016
Est. copies
≈ 786k–1.3M
SteamSpy 500k–1M
Est. revenue
$2.2M–$5.8M after Steam's cut $3.9M–$8.9M before the cut
$9.99
19k reviews
Very Positive
BuildingSimulation

Sizing up your own game? See what its genre can realistically do before you build it.