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How many copies did ΔV: Rings of Saturn sell?

Estimated copies sold
≈ 86k–140k
$237k–$637k after Steam's cut $431k–$980k before Steam's cut
from 3k reviews (Very 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 ΔV: Rings of Saturn and predicted how it would do from its 8 similar games. Every figure here, including ΔV: Rings of Saturn's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 732k–1.5M
best case 38.8M (Portal 2)
Games like ΔV: Rings of Saturn

A typical game among these

≈ 732k–1.5M copies

≈ $7.6M–$9.9M after Steam's cut

from ~24k 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: Portal 2 at ≈ 29.5M–48.0M copies, ≈ $81.1M–$218.1M after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like
About half the games that made it here had over 13k reviews in their first month; the range was 3k to 20k.
The genre you'd be entering
These games
The similar games share Simulation (6 of 8) and Space (5 of 8).
The winners
Winners here lead with Space + Simulation, priced around $20.
When they shipped
The similar games span 2011 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 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

Universe Sandbox
2015
Est. copies
≈ 1.6M–2.6M
SteamSpy 1M–2M
Est. revenue
$13.0M–$35.0M after Steam's cut $23.6M–$53.8M before Steam's cut
$29.99
32k reviews
Overwhelmingly Positive
SandboxSpace
Kerbal Space Program
2015
Est. copies
≈ 7.2M–11.7M
6.2x vs typical
SteamSpy 2M–5M
Est. revenue
$79.0M–$212.3M after Steam's cut $143.6M–$326.6M before Steam's cut
$39.99
147k reviews
Overwhelmingly Positive
SpaceSimulation
Empyrion - Galactic Survival
2020
Est. copies
≈ 854k–1.4M
SteamSpy 1M–2M
Est. revenue
$4.7M–$12.6M after Steam's cut $8.5M–$19.4M before Steam's cut
$19.99
34k reviews
Mostly Positive
Dome Keeper
2022
Est. copies
≈ 558k–906k
SteamSpy 2M–5M
Est. revenue
$2.8M–$7.4M after Steam's cut $5.0M–$11.4M before Steam's cut
$17.99
22k reviews
Very Positive
SingleplayerPost-apocalyptic
Hardspace: Shipbreaker
2022
Est. copies
≈ 557k–905k
SteamSpy 1M–2M
Est. revenue
$5.4M–$14.4M after Steam's cut $9.7M–$22.2M before Steam's cut
$34.99
22k reviews
Very Positive
SpaceSci-fi
Space Engineers
2019
Est. copies
≈ 3.9M–6.3M
5.7x vs typical
SteamSpy 2M–5M
Est. revenue
$21.3M–$57.3M after Steam's cut $38.7M–$88.1M before Steam's cut
$19.99
135k reviews
Very Positive
SpaceSandbox
Portal 2
2011
Est. copies
≈ 29.5M–48.0M
20x vs typical
SteamSpy 5M–10M
Est. revenue
$81.1M–$218.1M after Steam's cut $147.5M–$335.6M before Steam's cut
$9.99
467k reviews
Overwhelmingly Positive
Viscera Cleanup Detail
2015
Est. copies
≈ 1.2M–1.9M
SteamSpy 1M–2M
Est. revenue
$4.1M–$11.1M after Steam's cut $7.5M–$17.1M before Steam's cut
$12.99
24k reviews
Very Positive
SimulationGore

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