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How many copies did Gibbous - A Cthulhu Adventure sell?

Estimated copies sold
≈ 66k–107k
$363k–$976k after Steam's cut $660k–$1.5M before the cut
from 2k reviews (Very 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 Gibbous - A Cthulhu Adventure out and predicted the genre from its 8 similar games. Every figure here, including Gibbous - A Cthulhu Adventure's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 10.1M–18.6M
best case 31.7M (Portal 2)

7 of your 8 similar games are hits. A big, proven genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game
≈ 10.1M–18.6M copies
≈ $97.5M–$137.4M after Steam's cut
from ~268k reviews
Best case
≈ 24.1M–39.2M copies
Portal 2 · ≈ $66.3M–$178.1M after Steam's cut
The genre you'd be entering
Your set
Your set clusters on Story Rich (4 of 8) and Female Protagonist (3 of 8).
The winners
Winners here lead with Platformer + Puzzle, priced around $10.
The era
The games you compared span 2004 to 2023, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Resident Evil 2
2019
Est. copies
≈ 6.3M–10.2M
SteamSpy 5M–10M
Est. revenue
$69.1M–$185.7M after Steam's cut $125.5M–$285.6M before the cut
$39.99
218k reviews
Overwhelmingly Positive
ZombiesSurvival Horror
Portal
2007
Est. copies
≈ 10.3M–16.7M
SteamSpy 10M–20M
Est. revenue
$28.2M–$75.7M after Steam's cut $51.2M–$116.5M before the cut
$9.99
197k reviews
Overwhelmingly Positive
PuzzlePuzzle-Platformer
Half-Life 2
2004
Est. copies
≈ 14.4M–23.4M
SteamSpy 10M–20M
Est. revenue
$39.5M–$106.2M after Steam's cut $71.8M–$163.4M before the cut
$9.99
277k reviews
Overwhelmingly Positive
FPSAction
Play minigames with Reiko
2023
Est. copies
≈ 24–39
too small to compare
SteamSpy under 20k
Est. revenue
$40–$107 after Steam's cut $72–$164 before the cut
$5.99
1 reviews
1 user reviews
Early AccessAnime
It Takes Two
2021
Est. copies
≈ 6.6M–10.7M
SteamSpy 5M–10M
Est. revenue
$72.4M–$194.6M after Steam's cut $131.6M–$299.3M before the cut
$39.99
265k reviews
Overwhelmingly Positive
Co-opMultiplayer
Tomb Raider Game of the Year
2013
Est. copies
≈ 13.9M–22.6M
SteamSpy 5M–10M
Est. revenue
$76.6M–$206.0M after Steam's cut $139.3M–$316.8M before the cut
$19.99
268k reviews
Overwhelmingly Positive
AdventureAction
Portal 2
2011
Est. copies
≈ 24.1M–39.2M
1.7x vs typical
SteamSpy 5M–10M
Est. revenue
$66.3M–$178.1M after Steam's cut $120.5M–$274.1M before the cut
$9.99
464k reviews
Overwhelmingly Positive
Hogwarts Legacy
2023
Est. copies
≈ 8.9M–14.4M
SteamSpy 20M–50M
Est. revenue
$146.4M–$393.7M after Steam's cut $266.3M–$605.8M before the cut
$59.99
370k reviews
Very Positive
MagicOpen World

Sizing up your own game? See what its genre can realistically do before you build it.