How much revenue did SUNLESS SEA make?

$2.3M–$6.2M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did SUNLESS SEA sell?

Q: How many copies did SUNLESS SEA sell?

442k to 718k copies, based on its 10k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 442k–718k; $2.3M–$6.2M after Steam's cut $4.2M–$9.5M before the cut; from 10k 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 SUNLESS SEA out and predicted the genre from its 8 similar games. Every figure here, including SUNLESS SEA's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 134k–1.4M

best case 3.2M (SOMA)

The Exploration genre

All 8 of your similar games are hits. A healthy 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

≈ 134k–1.4M copies

≈ $1.3M–$12.6M after Steam's cut

from ~8k reviews

Best case

≈ 2.4M–3.9M copies

SOMA · ≈ $19.9M–$53.4M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on Exploration (6 of 8) and Horror (4 of 8).
The winners: Winners here lead with Horror + Psychological Horror, priced around $30.
The era: The games you compared span 2010 to 2021, 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
Curious Expedition 2016	Est. copies ≈ 180k–292k SteamSpy 200k–500k	Est. revenue $741k–$2.0M after Steam's cut $1.3M–$3.1M before the cut	$14.99	4k reviews Very Positive	ExplorationRogue-like
Sunless Skies: Sovereign Edition 2019	Est. copies ≈ 100k–162k SteamSpy 200k–500k	Est. revenue $685k–$1.8M after Steam's cut $1.2M–$2.8M before the cut	$24.99	3k reviews Very Positive	SteampunkLovecraftian
Amnesia: A Machine for Pigs 2013	Est. copies ≈ 627k–1.0M SteamSpy 1M–2M	Est. revenue $3.4M–$9.3M after Steam's cut $6.3M–$14.3M before the cut	$19.99	12k reviews Mixed	Horror Walking Simulator
SOMA 2015	Est. copies ≈ 2.4M–3.9M 6.3x vs typical SteamSpy 2M–5M	Est. revenue $19.9M–$53.4M after Steam's cut $36.1M–$82.2M before the cut	$29.99	52k reviews Overwhelmingly Positive	Horror Psychological Horror
Amnesia: The Dark Descent 2010	Est. copies ≈ 1.8M–3.0M 4.3x vs typical SteamSpy 2M–5M	Est. revenue $10.2M–$27.3M after Steam's cut $18.5M–$42.0M before the cut	$19.99	36k reviews Very Positive	HorrorGore
Curious Expedition 2 2021	Est. copies ≈ 102k–166k SteamSpy 500k–1M	Est. revenue $563k–$1.5M after Steam's cut $1.0M–$2.3M before the cut	$19.99	4k reviews Very Positive	AdventureSimulation
Darkwood 2017	Est. copies ≈ 847k–1.4M 3.0x vs typical SteamSpy 1M–2M	Est. revenue $3.5M–$9.4M after Steam's cut $6.3M–$14.4M before the cut	$14.99	25k reviews Very Positive	Horror Survival Horror
Swallow the Sea 2021	Est. copies ≈ 61k–99k SteamSpy 100k–200k	Est. revenue Free	Free	2k reviews Overwhelmingly Positive	ActionFree to Play