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How many copies did Lost Astronaut sell?

Estimated copies sold
≈ 918–1k
$502–$1k after Steam's cut $913–$2k before Steam's cut
from 37 reviews (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 Lost Astronaut and predicted how it would do from its 8 similar games. Every figure here, including Lost Astronaut's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 264k–918k
best case 3.3M (EVE Online)
Games like Lost Astronaut

A typical game among these

≈ 264k–918k copies

≈ $1.6M–$8.0M after Steam's cut

from ~10k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

5 of the 8 similar games are hits.

Best case: EVE Online at ≈ 2.5M–4.1M copies.

What their first month looked like
About half the games that made it here had over 467 reviews in their first month; the range was 2 to 12k.
The genre you'd be entering
These games
The similar games share Space (7 of 8) and Sci-fi (5 of 8).
The winners
Winners here lead with Space + Open World.
When they shipped
The similar games span 2010 to 2024, and 1 of the 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

STAR WARS™: Squadrons
2020
Est. copies
≈ 699k–1.1M
2.9x vs typical
SteamSpy 1M–2M
Est. revenue
$7.7M–$20.7M after Steam's cut $14.0M–$31.8M before Steam's cut
$39.99
28k reviews
Mixed
FlightSpace
Heavenly Bodies
2021
Est. copies
≈ 112k–182k
SteamSpy 200k–500k
Est. revenue
$772k–$2.1M after Steam's cut $1.4M–$3.2M before Steam's cut
$24.99
5k reviews
Overwhelmingly Positive
PhysicsDifficult
EVE Online
2010
Est. copies
≈ 2.5M–4.1M
4.0x vs typical
SteamSpy 2M–5M
Est. revenue
Free
Free
40k reviews
Mostly Positive
SpaceFree to Play
Spaceflight Simulator
2022
Est. copies
≈ 243k–395k
SteamSpy 200k–500k
Est. revenue
$1.0M–$2.7M after Steam's cut $1.8M–$4.1M before Steam's cut
$14.99
10k reviews
Overwhelmingly Positive
SandboxSpace Sim
Dreadnought
2018
Est. copies
≈ 202k–327k
SteamSpy 500k–1M
Est. revenue
Free
Free
7k reviews
Mixed
SpaceFree to Play
Space Hit
2017
Est. copies
≈ 413–671
too small to compare
SteamSpy 20k–50k
Est. revenue
$112–$302 after Steam's cut $204–$465 before Steam's cut
$0.99
12 reviews
Mixed
SpaceSpaceships
Landing
2020
Est. copies
≈ 546–887
too small to compare
SteamSpy under 20k
Est. revenue
Free
Free
22 reviews
Mostly Positive
SimulationArcade
Unlanded
2024
Est. copies
≈ 918–1k
too small to compare
SteamSpy under 20k
Est. revenue
$1k–$3k after Steam's cut $2k–$4k before Steam's cut
$3.99
37 reviews
Positive
DifficultUnforgiving

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