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How many copies did Aliens vs. Predator™ sell?

Estimated copies sold
≈ 1.4M–2.2M
$5.7M–$15.2M after Steam's cut $10.3M–$23.4M before Steam's cut
from 22k 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 Aliens vs. Predator™ and predicted how it would do from its 8 similar games. Every figure here, including Aliens vs. Predator™'s, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2.6M–3.4M
best case 23.2M (Half-Life 2)
Games like Aliens vs. Predator™

A typical game among these

≈ 2.6M–3.4M copies

≈ $40.5M–$64.2M after Steam's cut

from ~48k 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.

Best case: Half-Life 2 at ≈ 17.7M–28.8M copies, ≈ $48.6M–$130.7M after Steam's cut. It is a breakout hit, far above a typical game.

The genre you'd be entering
These games
The similar games share First-Person (7 of 8) and FPS (7 of 8).
The winners
Winners here lead with FPS + Sci-fi, priced around $20.
When they shipped
The similar games span 2004 to 2020, 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

Black Mesa
2020
Est. copies
≈ 3.6M–5.8M
3.0x vs typical
SteamSpy 2M–5M
Est. revenue
$19.8M–$53.2M after Steam's cut $35.9M–$81.8M before Steam's cut
$19.99
145k reviews
Very Positive
FPSRemake
Half-Life 2
2004
Est. copies
≈ 17.7M–28.8M
5.8x vs typical
SteamSpy 10M–20M
Est. revenue
$48.6M–$130.7M after Steam's cut $88.4M–$201.1M before Steam's cut
$9.99
280k reviews
Overwhelmingly Positive
FPSAction
Half-Life 2: Episode One
2006
Est. copies
≈ 2.0M–3.2M
SteamSpy 5M–10M
Est. revenue
Free
Free
31k reviews
Overwhelmingly Positive
FPSAction
Half-Life 2: Episode Two
2007
Est. copies
≈ 2.6M–4.2M
SteamSpy 5M–10M
Est. revenue
Free
Free
41k reviews
Overwhelmingly Positive
FPSAction
Prey
2017
Est. copies
≈ 1.9M–3.1M
SteamSpy 1M–2M
Est. revenue
$15.5M–$41.8M after Steam's cut $28.2M–$64.2M before Steam's cut
$29.99
55k reviews
Very Positive
Sci-fiImmersive Sim
Alien: Isolation
2014
Est. copies
≈ 3.8M–6.1M
SteamSpy 2M–5M
Est. revenue
$41.3M–$110.9M after Steam's cut $75.0M–$170.6M before Steam's cut
$39.99
67k reviews
Very Positive
Halo: The Master Chief Collection
2019
Est. copies
≈ 7.6M–12.3M
5.5x vs typical
SteamSpy 5M–10M
Est. revenue
$83.3M–$223.9M after Steam's cut $151.4M–$344.5M before Steam's cut
$39.99
263k reviews
Very Positive
Great SoundtrackFPS
Evolve Stage 2
2015
Est. copies
≈ 2.4M–3.8M
SteamSpy 5M–10M
Est. revenue
Free
Free
48k reviews
Mostly Positive
ActionMultiplayer

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