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How many copies did Astronomia sell?

Estimated copies sold
≈ 198–322
$272–$731 after Steam's cut $494–$1k before Steam's cut
from 8 reviews (8 user reviews)
Only 8 reviews so far, so that range swings on one or two people. Read it as a hint, not a measurement.

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 Astronomia and predicted how it would do from its 8 similar games. Every figure here, including Astronomia's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 495k–956k
best case 2.1M (LEGO® Star Wars™ - The Complete Saga)
Games like Astronomia

A typical game among these

≈ 495k–956k copies

≈ $959k–$4.2M after Steam's cut

from ~13k 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.

No genre covers most of these similar games. The closest is Platformer (3 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: LEGO® Star Wars™ - The Complete Saga at ≈ 1.6M–2.6M copies, ≈ $8.9M–$23.9M after Steam's cut.

The genre you'd be entering
These games
The similar games share Platformer (3 of 8) and Puzzle (3 of 8).
The winners
Winners here lead with LEGO + Co-op, priced around $20.
When they shipped
The similar games span 2009 to 2026, and 2 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

VVVVVV
2010
Est. copies
≈ 667k–1.1M
SteamSpy 500k–1M
Est. revenue
$916k–$2.5M after Steam's cut $1.7M–$3.8M before Steam's cut
$4.99
11k reviews
Overwhelmingly Positive
Pixel GraphicsPrecision Platformer
Defy Gravity Extended
2016
Est. copies
≈ 355k–576k
SteamSpy 1M–2M
Est. revenue
$194k–$522k after Steam's cut $353k–$803k before Steam's cut
$1.99
9k reviews
Very Positive
Puzzle-PlatformerPlatformer
Mountain
2014
Est. copies
≈ 912k–1.5M
SteamSpy 500k–1M
Est. revenue
$248k–$668k after Steam's cut $452k–$1.0M before Steam's cut
$0.99
16k reviews
Very Positive
SimulationIndie
LOCKDOWN Protocol
2025
Est. copies
≈ 496k–805k
SteamSpy 1M–2M
Est. revenue
$1.4M–$3.7M after Steam's cut $2.5M–$5.6M before Steam's cut
$9.99
20k reviews
Very Positive
Early AccessMultiplayer
Learn to Fly 3
2017
Est. copies
≈ 390k–633k
SteamSpy 200k–500k
Est. revenue
Free
Free
11k reviews
Very Positive
Free to PlayCasual
shapez 2 - Factory
2026
Est. copies
≈ 385k–625k
SteamSpy 200k–500k
Est. revenue
$3.2M–$8.5M after Steam's cut $5.8M–$13.1M before Steam's cut
$29.99
16k reviews
Overwhelmingly Positive
ManagementStrategy
Out There Somewhere
2016
Est. copies
≈ 288k–468k
SteamSpy 200k–500k
Est. revenue
$791k–$2.1M after Steam's cut $1.4M–$3.3M before Steam's cut
$9.99
7k reviews
Very Positive
PlatformerPixel Graphics
LEGO® Star Wars™ - The Complete Saga
2009
Est. copies
≈ 1.6M–2.6M
1.9x vs typical
SteamSpy 1M–2M
Est. revenue
$8.9M–$23.9M after Steam's cut $16.1M–$36.7M before Steam's cut
$19.99
26k reviews
Overwhelmingly Positive
LEGOLocal Co-Op

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