How many copies did Alas Astra sell?

992 to 2k copies, based on its 40 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Alas Astra make?

Alas Astra is free to play, so there is no copy-sales revenue to estimate.

How big is Alas Astra?

Estimated players who have it: ≈ 992–2k; from 40 reviews (Mostly 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 Alas Astra and predicted how it would do from its 8 similar games. Every figure here, including Alas Astra's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 369k–4.1M

best case 38.8M (Portal 2)

Games like Alas Astra

A typical game among these

≈ 369k–4.1M copies

≈ $4.2M–$57.4M after Steam's cut

from ~37k 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 First-Person (4 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: Portal 2 at ≈ 29.5M–48.0M copies, ≈ $81.1M–$218.1M after Steam's cut.

What their first month looked like

About half the games that made it here had over 2k reviews in their first month; the range was 532 to 18k.

The genre you'd be entering

These games: The similar games share First-Person (4 of 8) and Puzzle (4 of 8).
The winners: Winners here lead with Platformer + Puzzle, priced around $10.
When they shipped: The similar games span 2009 to 2023, 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

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Portal 2 2011	Est. copies ≈ 29.5M–48.0M 13x 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	Platformer Puzzle
Mirror's Edge™ 2009	Est. copies ≈ 2.5M–4.0M SteamSpy 2M–5M	Est. revenue $13.7M–$36.8M after Steam's cut $24.9M–$56.6M before Steam's cut	$19.99	39k reviews Very Positive	Action-AdventureParkour
STAR WARS Jedi: Fallen Order™ 2019	Est. copies ≈ 5.1M–8.2M 4.7x vs typical SteamSpy 2M–5M	Est. revenue $55.6M–$149.5M after Steam's cut $101.1M–$230.0M before Steam's cut	$39.99	176k reviews Very Positive	Action-AdventureSouls-like
The Talos Principle 2 2023	Est. copies ≈ 333k–541k SteamSpy 200k–500k	Est. revenue $2.7M–$7.4M after Steam's cut $5.0M–$11.4M before Steam's cut	$29.99	13k reviews Very Positive	Puzzle Story Rich
Hidden Deep 2022	Est. copies ≈ 127k–206k SteamSpy 200k–500k	Est. revenue $869k–$2.3M after Steam's cut $1.6M–$3.6M before Steam's cut	$24.99	5k reviews Mostly Positive	Early AccessShooter
SIGNALIS 2022	Est. copies ≈ 862k–1.4M SteamSpy 1M–2M	Est. revenue $4.7M–$12.7M after Steam's cut $8.6M–$19.6M before Steam's cut	$19.99	35k reviews Overwhelmingly Positive	Survival Horror Psychological Horror
Atomic Heart 2023	Est. copies ≈ 1.4M–2.3M 1.5x vs typical SteamSpy 1M–2M	Est. revenue $22.9M–$61.6M after Steam's cut $41.7M–$94.8M before Steam's cut	$59.99	56k reviews Very Positive	Sexual ContentFPS
Fobia - St. Dinfna Hotel 2022	Est. copies ≈ 59k–96k SteamSpy 100k–200k	Est. revenue $486k–$1.3M after Steam's cut $883k–$2.0M before Steam's cut	$29.99	2k reviews Very Positive	IndieSurvival Horror