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 players who have it: ≈ 93k–151k; from 2k reviews (Mixed)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid The Forgotten Ones and predicted how it would do from its 8 similar games. Every figure here, including The Forgotten Ones's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2.4M–28.0M

best case 125.7M (PUBG: BATTLEGROUNDS)

Games like The Forgotten Ones

A typical game among these

≈ 2.4M–28.0M copies

≈ $15.9M–$40.9M after Steam's cut

from ~59k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

All 8 of the similar games are hits.

Best case: PUBG: BATTLEGROUNDS at ≈ 95.8M–155.7M copies.

The genre you'd be entering

These games: The similar games share FPS (8 of 8) and Survival (8 of 8).
The winners: Winners here lead with Survival + Shooter.
When they shipped: The similar games 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 ≈ 67.0M–108.9M 18x vs typical SteamSpy 50M–100M	Est. revenue $184.1M–$495.0M after Steam's cut $334.7M–$761.6M before Steam's 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–$45.0M after Steam's cut $30.4M–$69.2M before Steam's cut	$19.99	48k reviews Very Positive	AtmosphericPost-apocalyptic
Killing Floor 2009	Est. copies ≈ 4.4M–7.1M SteamSpy 2M–5M	Est. revenue $24.0M–$64.4M after Steam's cut $43.6M–$99.1M before Steam's cut	$19.99	69k reviews Overwhelmingly Positive	FPSZombies
PUBG: BATTLEGROUNDS 2017	Est. copies ≈ 95.8M–155.7M 48x vs typical SteamSpy 100M–200M	Est. revenue Free	Free	2.8M 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 $14.3M–$32.4M before Steam's 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–$29.4M after Steam's cut $19.9M–$45.2M before Steam's cut	$19.99	31k reviews Overwhelmingly Positive	AtmosphericOpen World
Into the Radius VR 2020	Est. copies ≈ 281k–456k SteamSpy 500k–1M	Est. revenue $2.3M–$6.2M after Steam's cut $4.2M–$9.6M before Steam's cut	$29.99	11k reviews Very Positive	VRExtraction Shooter