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How many copies did Аlien cat 4 sell?

Estimated copies sold
≈ 322–524
$265–$713 after Steam's cut $481–$1k before the cut
from 13 reviews (Positive)

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 Аlien cat 4 out and predicted the genre from its 8 similar games. Every figure here, including Аlien cat 4's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 22k–71k
best case 565k (Touhou Luna Nights)
Games like Аlien cat 4

The middle of these games

≈ 22k–71k copies

≈ $94k–$197k after Steam's cut

from ~693 reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

3 of your 8 similar games are hits.

Best case: Touhou Luna Nights at ≈ 430k–699k copies, ≈ $2.1M–$5.7M after Steam's cut. A breakout hit, far above a typical game.

What it took to get here
About half the games that made it here had over 349 reviews in their first month; the spread ran 1 to 2k.
The genre you'd be entering
Your set
Your set clusters on Bullet Hell (7 of 8) and Shooter (4 of 8).
The winners
Winners here lead with Metroidvania + Side Scroller, priced around $18. The breakout hits carry Metroidvania + Platformer + Action-Adventure; a typical game here doesn't.
The era
The games you compared span 2011 to 2025, and 2 of your 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

Sine Mora EX
2017
Est. copies
≈ 24k–39k
SteamSpy 50k–100k
Est. revenue
$65k–$176k after Steam's cut $119k–$271k before the cut
$9.99
693 reviews
Mixed
Side ScrollerShoot 'Em Up
Touhou Luna Nights
2019
Est. copies
≈ 430k–699k
22x vs typical
SteamSpy 500k–1M
Est. revenue
$2.1M–$5.7M after Steam's cut $3.9M–$8.8M before the cut
$17.99
15k reviews
Overwhelmingly Positive
MetroidvaniaDifficult
Waves
2011
Est. copies
≈ 99k–161k
2.3x vs typical
SteamSpy 50k–100k
Est. revenue
Free
Free
2k reviews
Overwhelmingly Positive
Bullet HellShoot 'Em Up
Super Time Force Ultra
2014
Est. copies
≈ 54k–88k
SteamSpy 200k–500k
Est. revenue
$223k–$601k after Steam's cut $406k–$924k before the cut
$14.99
968 reviews
Very Positive
Side ScrollerTime Manipulation
TheDawn
2020
Est. copies
≈ 213k–346k
12x vs typical
SteamSpy 500k–1M
Est. revenue
Free
Free
9k reviews
Very Positive
AnimeAction
Star Defence
2023
Est. copies
≈ 25–40
too small to compare
SteamSpy under 20k
Est. revenue
$7–$18 after Steam's cut $12–$28 before the cut
$0.99
1 reviews
1 user reviews
Tower DefenseReal Time Tactics
Cozy Space Survivors
2024
Est. copies
≈ 10k–16k
SteamSpy 20k–50k
Est. revenue
$8k–$22k after Steam's cut $15k–$34k before the cut
$2.99
409 reviews
Very Positive
Action RoguelikeExploration
RAM: Random Access Mayhem
2025
Est. copies
≈ 17k–27k
SteamSpy 20k–50k
Est. revenue
$68k–$183k after Steam's cut $124k–$282k before the cut
$14.99
666 reviews
Overwhelmingly Positive
Early AccessAction Roguelike

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