How much revenue did The Callisto Protocol™ make?

$17.2M–$46.3M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did The Callisto Protocol™ sell?

Q: How many copies did The Callisto Protocol™ sell?

1.0M to 1.7M copies, based on its 43k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1.0M–1.7M; $17.2M–$46.3M after Steam's cut $31.3M–$71.2M before the cut; from 43k reviews (Mixed)

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 The Callisto Protocol™ out and predicted the genre from its 4 similar games. Every figure here, including The Callisto Protocol™'s, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 9.9M–15.3M

best case 16.1M (Lethal Company)

The First-Person genre

All 4 of your similar games are hits. A big, proven genre for a game like yours.

From a small set, so take it as a sketch.

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

A typical game

≈ 9.9M–15.3M copies

≈ $50.4M–$110.4M after Steam's cut

from ~298k reviews

Best case

≈ 12.2M–19.9M copies

Lethal Company · ≈ $33.6M–$90.4M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on First-Person (3 of 4) and Horror (3 of 4).
The winners: Winners here lead with Horror + First-Person, priced around $10.
The era: The games you compared span 2016 to 2024, a genre with a long track record.

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

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
DOOM 2016	Est. copies ≈ 8.8M–14.3M SteamSpy 5M–10M	Est. revenue $48.3M–$130.0M after Steam's cut $87.9M–$200.0M before the cut	$19.99	220k reviews Overwhelmingly Positive	FPSGore
Lethal Company 2023	Est. copies ≈ 12.2M–19.9M 1.7x vs typical SteamSpy 10M–20M	Est. revenue $33.6M–$90.4M after Steam's cut $61.1M–$139.0M before the cut	$9.99	510k reviews Overwhelmingly Positive	Online Co-OpHorror
Subnautica 2018	Est. copies ≈ 11.5M–18.6M SteamSpy 5M–10M	Est. revenue $94.5M–$254.0M after Steam's cut $171.8M–$390.8M before the cut	$29.99	377k reviews Overwhelmingly Positive	Open World Survival CraftSurvival
Content Warning 2024	Est. copies ≈ 3.9M–6.3M SteamSpy 5M–10M	Est. revenue $8.5M–$22.9M after Steam's cut $15.5M–$35.2M before the cut	$7.99	161k reviews Very Positive	Online Co-OpHorror