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How many copies did Kessler Effect sell?

Estimated copies sold
≈ 446–725
$1k–$3k after Steam's cut $2k–$5k before Steam's cut
from 18 reviews (Mixed)

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 Kessler Effect and predicted how it would do from its 8 similar games. Every figure here, including Kessler Effect's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 39k–5.4M
best case 23.0M (No Man's Sky)
Games like Kessler Effect

A typical game among these

≈ 39k–5.4M copies

≈ $53.3M–$79.6M after Steam's cut

from ~35k reviews

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

6 of the 8 similar games are hits.

Best case: No Man's Sky at ≈ 17.5M–28.5M copies, ≈ $289.3M–$777.8M after Steam's cut.

What their first month looked like
About half the games that made it here had over 592 reviews in their first month; the range was 47 to 27k.
The genre you'd be entering
These games
The similar games share Sci-fi (5 of 8) and VR (5 of 8).
The winners
Winners here lead with Open World + Open World Survival Craft, priced around $60.
When they shipped
The similar games span 2014 to 2024, and 1 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 70 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Elite Dangerous
2015
Est. copies
≈ 5.3M–8.5M
3.1x vs typical
SteamSpy 2M–5M
Est. revenue
$28.9M–$77.8M after Steam's cut $52.6M–$119.6M before Steam's cut
$19.99
108k reviews
Mostly Positive
Space SimSpace
Alien: Isolation
2014
Est. copies
≈ 3.8M–6.1M
1.9x vs typical
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
Construct VR - The Volumetric Movie
2021
Est. copies
≈ 3k–4k
SteamSpy under 20k
Est. revenue
Free
Free
107 reviews
Mostly Positive
VRShort
Alien: Rogue Incursion VR
2024
Est. copies
≈ 37k–61k
SteamSpy 50k–100k
Est. revenue
$412k–$1.1M after Steam's cut $750k–$1.7M before Steam's cut
$39.99
2k reviews
Mostly Positive
AliensVR
Half-Life: Alyx
2020
Est. copies
≈ 2.6M–4.3M
3.0x vs typical
SteamSpy 2M–5M
Est. revenue
$43.2M–$116.1M after Steam's cut $78.5M–$178.5M before Steam's cut
$59.99
106k reviews
Overwhelmingly Positive
VRFPS
No Man's Sky
2016
Est. copies
≈ 17.5M–28.5M
12x vs typical
SteamSpy 5M–10M
Est. revenue
$289.3M–$777.8M after Steam's cut $526.0M–$1196.6M before Steam's cut
$59.99
422k reviews
Very Positive
Open WorldOpen World Survival Craft
The Great C
2018
Est. copies
≈ 7k–12k
SteamSpy under 20k
Est. revenue
Free
Free
235 reviews
Very Positive
VRMovie
Bigscreen Beta
2016
Est. copies
≈ 135k–220k
SteamSpy 500k–1M
Est. revenue
Free
Free
3k reviews
Very Positive
VRFree to Play

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