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How many copies did Alien Shooter TD sell?

Estimated copies sold
≈ 32k–51k
$87k–$234k after Steam's cut $158k–$359k before Steam's cut
from 919 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 Alien Shooter TD and predicted how it would do from its 8 similar games. Every figure here, including Alien Shooter TD's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 9.6M–12.1M
best case 12.1M (People Playground)
Games like Alien Shooter TD

A typical game among these

≈ 9.6M–12.1M copies

≈ $64.4M–$87.8M after Steam's cut

from ~222k reviews

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

3 of the 8 similar games are hits.

Best case: People Playground at ≈ 9.2M–15.0M copies, ≈ $25.4M–$68.2M after Steam's cut.

What their first month looked like
About half the games that made it here had over 84 reviews in their first month; the range was 5 to 42k.
Games with under about 100 reviews in month one almost never recover.
The genre you'd be entering
These games
The similar games share Gore (6 of 8) and Violent (4 of 8).
The winners
Winners here lead with Sandbox + Gore, priced around $10.
When they shipped
The similar games span 2016 to 2024, 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 52 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

DOOM
2016
Est. copies
≈ 9.2M–15.0M
SteamSpy 5M–10M
Est. revenue
$50.7M–$136.4M after Steam's cut $92.3M–$209.9M before Steam's cut
$19.99
222k reviews
Overwhelmingly Positive
FPSGore
DOOM Eternal
2020
Est. copies
≈ 5.4M–8.8M
SteamSpy 5M–10M
Est. revenue
$44.5M–$119.7M after Steam's cut $80.9M–$184.1M before Steam's cut
$29.99
218k reviews
Very Positive
FPSAction
People Playground
2019
Est. copies
≈ 9.2M–15.0M
SteamSpy 5M–10M
Est. revenue
$25.4M–$68.2M after Steam's cut $46.1M–$104.9M before Steam's cut
$9.99
321k reviews
Overwhelmingly Positive
SandboxGore
Kalyzmyr
2024
Est. copies
≈ 918–1k
too small to compare
SteamSpy 20k–50k
Est. revenue
$755–$2k after Steam's cut $1k–$3k before Steam's cut
$2.99
37 reviews
Positive
ActionHack and Slash
Firebase Defence
2019
Est. copies
≈ 2k–3k
too small to compare
SteamSpy under 20k
Est. revenue
$2k–$5k after Steam's cut $4k–$8k before Steam's cut
$3.99
63 reviews
Mostly Positive
ActionStrategy
Hell Loop
2020
Est. copies
≈ 645–1k
too small to compare
SteamSpy under 20k
Est. revenue
$530–$1k after Steam's cut $964–$2k before Steam's cut
$2.99
26 reviews
Mostly Positive
StrategyTower Defense
Zombie Killing Simulator
2023
Est. copies
≈ 4k–6k
too small to compare
SteamSpy under 20k
Est. revenue
Free
Free
156 reviews
Mixed
GoreAction
Bella Wants Blood
2024
Est. copies
≈ 4k–6k
too small to compare
SteamSpy under 20k
Est. revenue
$5k–$14k after Steam's cut $10k–$22k before Steam's cut
$4.99
154 reviews
Very Positive

Sizing up your own game? See how many copies games in its genre usually sell before you build it.