How many copies did The Forgotten Ones sell?

93k to 151k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did The Forgotten Ones make?

The Forgotten Ones is free to play, so there is no copy-sales revenue to estimate.

How big is The Forgotten Ones?

Estimated owners: ≈ 93k–151k; from 2k 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 Forgotten Ones out and predicted the genre from its 8 similar games. Every figure here, including The Forgotten Ones's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 2.4M–27.9M

best case 124.1M (PUBG: BATTLEGROUNDS)

Games like The Forgotten Ones

The middle of these games

≈ 2.4M–27.9M copies

≈ $15.9M–$40.8M after Steam's cut

from ~58k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

All 8 of your similar games are hits.

Best case: PUBG: BATTLEGROUNDS at ≈ 94.5M–153.6M copies.

The genre you'd be entering

Your set: Your set clusters on FPS (8 of 8) and Survival (8 of 8).
The winners: Winners here lead with Survival + Shooter.
The era: The games you compared span 2007 to 2020, and none of them 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 79 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Z1 Battle Royale 2018	Est. copies ≈ 6.2M–10.0M 3.5x vs typical SteamSpy 10M–20M	Est. revenue Free	Free	202k reviews Mixed	SurvivalMassively Multiplayer
Left 4 Dead 2 2009	Est. copies ≈ 66.7M–108.4M 18x vs typical SteamSpy 50M–100M	Est. revenue $183.2M–$492.6M after Steam's cut $333.1M–$757.9M before the cut	$9.99	1.1M reviews Overwhelmingly Positive	ZombiesCo-op
S.T.A.L.K.E.R.: Shadow of Chernobyl 2007	Est. copies ≈ 3.0M–4.9M SteamSpy 1M–2M	Est. revenue $16.7M–$44.9M after Steam's cut $30.4M–$69.1M before the cut	$19.99	48k reviews Very Positive	AtmosphericPost-apocalyptic
Killing Floor 2009	Est. copies ≈ 4.4M–7.1M SteamSpy 2M–5M	Est. revenue $23.9M–$64.3M after Steam's cut $43.5M–$99.0M before the cut	$19.99	69k reviews Overwhelmingly Positive	FPSZombies
PUBG: BATTLEGROUNDS 2017	Est. copies ≈ 94.5M–153.6M 47x vs typical SteamSpy 100M–200M	Est. revenue Free	Free	2.7M reviews Mixed	SurvivalShooter
S.T.A.L.K.E.R.: Clear Sky 2008	Est. copies ≈ 1.4M–2.3M SteamSpy 1M–2M	Est. revenue $7.8M–$21.1M after Steam's cut $14.2M–$32.4M before the cut	$19.99	23k reviews Very Positive	Open WorldAtmospheric
S.T.A.L.K.E.R.: Call of Pripyat 2010	Est. copies ≈ 2.0M–3.2M SteamSpy 1M–2M	Est. revenue $10.9M–$29.3M after Steam's cut $19.8M–$45.1M before the cut	$19.99	31k reviews Overwhelmingly Positive	AtmosphericOpen World
Into the Radius VR 2020	Est. copies ≈ 280k–455k SteamSpy 500k–1M	Est. revenue $2.3M–$6.2M after Steam's cut $4.2M–$9.6M before the cut	$29.99	11k reviews Very Positive	VRExtraction Shooter