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How many copies did Deliver Us Mars sell?

Estimated copies sold
≈ 75k–122k
$617k–$1.7M after Steam's cut $1.1M–$2.6M before the cut
from 3k reviews (Mostly 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 Deliver Us Mars out and predicted the genre from its 8 similar games. Every figure here, including Deliver Us Mars's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 2.7M–6.7M
best case 23.1M (Half-Life 2)
Games like Deliver Us Mars

The middle of these games

≈ 2.7M–6.7M copies

≈ $47.0M–$94.4M after Steam's cut

from ~135k reviews

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

All 8 of your similar games are hits.

Best case: Half-Life 2 at ≈ 17.6M–28.6M copies, ≈ $48.3M–$130.0M after Steam's cut.

What it took to get here
About half the games that made it here had over 32k reviews in their first month; the spread ran 11k to 93k.
The genre you'd be entering
Your set
Your set clusters on Sci-fi (8 of 8) and First-Person (5 of 8).
The winners
Winners here lead with FPS + Sci-fi, priced around $10.
The era
The games you compared span 2004 to 2025, and 1 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

Half-Life 2
2004
Est. copies
≈ 17.6M–28.6M
2.1x vs typical
SteamSpy 10M–20M
Est. revenue
$48.3M–$130.0M after Steam's cut $87.9M–$200.0M before the cut
$9.99
278k reviews
Overwhelmingly Positive
FPSAction
Starfield
2023
Est. copies
≈ 4.3M–7.1M
SteamSpy 2M–5M
Est. revenue
$59.7M–$160.4M after Steam's cut $108.5M–$246.8M before the cut
$49.99
175k reviews
Mixed
SpaceSingleplayer
Halo: The Master Chief Collection
2019
Est. copies
≈ 7.5M–12.3M
1.9x vs typical
SteamSpy 5M–10M
Est. revenue
$83.0M–$223.2M after Steam's cut $150.9M–$343.3M before the cut
$39.99
262k reviews
Very Positive
Great SoundtrackFPS
Prey
2017
Est. copies
≈ 1.9M–3.0M
SteamSpy 1M–2M
Est. revenue
$15.4M–$41.5M after Steam's cut $28.1M–$63.9M before the cut
$29.99
54k reviews
Very Positive
Sci-fiImmersive Sim
STAR WARS Jedi: Survivor™
2023
Est. copies
≈ 2.1M–3.5M
SteamSpy 1M–2M
Est. revenue
$41.0M–$110.2M after Steam's cut $74.5M–$169.5M before the cut
$69.99
86k reviews
Mostly Positive
ActionAdventure
Black Mesa
2020
Est. copies
≈ 3.6M–5.8M
SteamSpy 2M–5M
Est. revenue
$19.7M–$53.0M after Steam's cut $35.8M–$81.5M before the cut
$19.99
145k reviews
Very Positive
FPSRemake
Split Fiction
2025
Est. copies
≈ 3.1M–5.1M
SteamSpy 2M–5M
Est. revenue
$43.1M–$115.8M after Steam's cut $78.3M–$178.1M before the cut
$49.99
126k reviews
Overwhelmingly Positive
Co-opSplit Screen
Mass Effect™ Legendary Edition
2021
Est. copies
≈ 1.7M–2.7M
SteamSpy 1M–2M
Est. revenue
$27.4M–$73.7M after Steam's cut $49.8M–$113.3M before the cut
$59.99
67k reviews
Very Positive

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