How much revenue did DOOM + DOOM II make?

$4.1M–$11.0M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did DOOM + DOOM II sell?

Q: How many copies did DOOM + DOOM II sell?

1.5M to 2.4M copies, based on its 29k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1.5M–2.4M; $4.1M–$11.0M after Steam's cut $7.4M–$16.9M before the cut; from 29k reviews (Overwhelmingly 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 DOOM + DOOM II out and predicted the genre from its 8 similar games. Every figure here, including DOOM + DOOM II's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 9.1M–14.5M

best case 18.9M (Half-Life 2)

The First-Person 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

≈ 9.1M–14.5M copies

≈ $52.7M–$81.0M after Steam's cut

from ~210k reviews

Best case

≈ 14.4M–23.4M copies

Half-Life 2 · ≈ $39.5M–$106.2M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on First-Person (5 of 8) and FPS (5 of 8).
The winners: Winners here lead with FPS + Sci-fi, priced around $10.
The era: The games you compared span 1998 to 2020, 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
Grand Theft Auto IV: Complete Edition Invalid Date	Est. copies ≈ 4.8M–7.8M SteamSpy 20M–50M	Est. revenue Free	Free	200k reviews Very Positive	Open WorldAction
Half-Life 1998	Est. copies ≈ 8.5M–13.8M SteamSpy 10M–20M	Est. revenue $23.2M–$62.5M after Steam's cut $42.3M–$96.2M before the cut	$9.99	163k reviews Overwhelmingly Positive	FPSClassic
Half-Life 2 2004	Est. copies ≈ 14.4M–23.4M SteamSpy 10M–20M	Est. revenue $39.5M–$106.2M after Steam's cut $71.8M–$163.4M before the cut	$9.99	277k reviews Overwhelmingly Positive	FPSAction
Halo: The Master Chief Collection 2019	Est. copies ≈ 7.5M–12.2M SteamSpy 5M–10M	Est. revenue $82.5M–$221.7M after Steam's cut $149.9M–$341.1M before the cut	$39.99	260k reviews Very Positive	Great SoundtrackFPS
Portal 2007	Est. copies ≈ 10.3M–16.7M SteamSpy 10M–20M	Est. revenue $28.2M–$75.7M after Steam's cut $51.2M–$116.5M before the cut	$9.99	197k reviews Overwhelmingly Positive	PuzzlePuzzle-Platformer
Grand Theft Auto IV: The Complete Edition 2020	Est. copies ≈ 5.3M–8.6M SteamSpy 5M–10M	Est. revenue $28.9M–$77.8M after Steam's cut $52.6M–$119.7M before the cut	$19.99	199k reviews Very Positive	Open WorldAction
Counter-Strike 2000	Est. copies ≈ 13.6M–22.0M SteamSpy 10M–20M	Est. revenue $37.3M–$100.2M after Steam's cut $67.7M–$154.1M before the cut	$9.99	261k reviews Overwhelmingly Positive	ActionFPS
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