How many copies did Cthulhu: Death Escape / 克苏鲁:死亡逃脱 Prototype sell?

4k to 6k copies, based on its 150 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Cthulhu: Death Escape / 克苏鲁:死亡逃脱 Prototype make?

Cthulhu: Death Escape / 克苏鲁:死亡逃脱 Prototype is free to play, so there is no copy-sales revenue to estimate.

How big is Cthulhu: Death Escape / 克苏鲁:死亡逃脱 Prototype?

Estimated owners: ≈ 4k–6k; from 150 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 Cthulhu: Death Escape / 克苏鲁:死亡逃脱 Prototype out and predicted the genre from its 8 similar games. Every figure here, including Cthulhu: Death Escape / 克苏鲁:死亡逃脱 Prototype's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 2.2M–2.4M

best case 29.0M (Phasmophobia)

The Horror genre

All 8 of your 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

≈ 2.2M–2.4M copies

≈ $16.9M–$21.4M after Steam's cut

from ~54k reviews

Best case

≈ 22.1M–35.8M copies

Phasmophobia · ≈ $121.3M–$326.1M after Steam's cut

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Horror (4 of 8) and Psychological Horror (4 of 8).
The winners: Winners here lead with Horror + Psychological Horror, priced around $20. The breakout hits carry Online Co-Op + Co-op + Supernatural; a typical game here doesn't.
The era: The games you compared span 2010 to 2023, 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
UNO 2017	Est. copies ≈ 1.9M–3.0M SteamSpy 2M–5M	Est. revenue $5.1M–$13.7M after Steam's cut $9.3M–$21.1M before the cut	$9.99	54k reviews Mostly Positive	Card GameMultiplayer
Phasmophobia 2020	Est. copies ≈ 22.1M–35.8M 15x vs typical SteamSpy 10M–20M	Est. revenue $121.3M–$326.1M after Steam's cut $220.5M–$501.6M before the cut	$19.99	836k reviews Very Positive	HorrorOnline Co-Op
The Room 2014	Est. copies ≈ 1.6M–2.7M too small to compare SteamSpy 500k–1M	Est. revenue $2.2M–$6.0M after Steam's cut $4.1M–$9.3M before the cut	$4.99	32k reviews Overwhelmingly Positive	PuzzleMystery
Lobotomy Corporation \| Monster Management Simulation 2018	Est. copies ≈ 1.7M–2.7M SteamSpy 1M–2M	Est. revenue $11.6M–$31.2M after Steam's cut $21.1M–$48.1M before the cut	$24.99	56k reviews Very Positive	ManagementDifficult
Amnesia: The Dark Descent 2010	Est. copies ≈ 1.8M–3.0M too small to compare 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
DREDGE 2023	Est. copies ≈ 1.3M–2.2M SteamSpy 1M–2M	Est. revenue $9.2M–$24.7M after Steam's cut $16.7M–$38.0M before the cut	$24.99	56k reviews Overwhelmingly Positive	ExplorationFishing
What Remains of Edith Finch 2017	Est. copies ≈ 1.8M–2.9M SteamSpy 500k–1M	Est. revenue $9.8M–$26.5M after Steam's cut $17.9M–$40.7M before the cut	$19.99	52k reviews Overwhelmingly Positive	Story RichAtmospheric
SOMA 2015	Est. copies ≈ 2.4M–3.9M SteamSpy 2M–5M	Est. revenue $19.9M–$53.6M after Steam's cut $36.3M–$82.5M before the cut	$29.99	52k reviews Overwhelmingly Positive	Horror Psychological Horror