How much revenue did DEFCON make?

$741k–$2.0M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did DEFCON sell?

Q: How many copies did DEFCON sell?

225k to 365k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 225k–365k; $741k–$2.0M after Steam's cut $1.3M–$3.1M before the cut; from 4k 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 DEFCON out and predicted the genre from its 8 similar games. Every figure here, including DEFCON's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.0M–5.2M

best case 71.5M (Left 4 Dead 2)

The Shooter 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

≈ 1.0M–5.2M copies

≈ $10.6M–$38.6M after Steam's cut

from ~66k reviews

Best case

≈ 54.5M–88.5M copies

Left 4 Dead 2 · ≈ $149.6M–$402.3M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on Shooter (4 of 8) and Co-op (3 of 8).
The winners: Winners here lead with Zombies + Co-op, priced around $10.
The era: The games you compared span 2008 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
GTFO 2021	Est. copies ≈ 1.6M–2.7M SteamSpy 2M–5M	Est. revenue $18.1M–$48.6M after Steam's cut $32.9M–$74.8M before the cut	$39.99	66k reviews Very Positive	Online Co-OpHorror
Left 4 Dead 2008	Est. copies ≈ 3.5M–5.7M SteamSpy 5M–10M	Est. revenue $9.6M–$25.9M after Steam's cut $17.5M–$39.9M before the cut	$9.99	68k reviews Overwhelmingly Positive	ZombiesCo-op
Left 4 Dead 2 2009	Est. copies ≈ 54.5M–88.5M 16x vs typical SteamSpy 50M–100M	Est. revenue $149.6M–$402.3M after Steam's cut $272.1M–$618.9M before the cut	$9.99	1.0M reviews Overwhelmingly Positive	ZombiesCo-op
Door Kickers: Action Squad 2018	Est. copies ≈ 321k–522k SteamSpy 1M–2M	Est. revenue $1.2M–$3.3M after Steam's cut $2.2M–$5.1M before the cut	$13.99	11k reviews Very Positive	2D PlatformerPixel Graphics
Age of Empires II (Retired) 2013	Est. copies ≈ 5.3M–8.7M 1.6x vs typical SteamSpy 5M–10M	Est. revenue $29.4M–$78.9M after Steam's cut $53.4M–$121.4M before the cut	$19.99	103k reviews Overwhelmingly Positive	StrategyRTS
Sins of a Solar Empire®: Rebellion 2012	Est. copies ≈ 848k–1.4M SteamSpy 2M–5M	Est. revenue $4.7M–$12.5M after Steam's cut $8.5M–$19.3M before the cut	$19.99	16k reviews Very Positive	ManagementDiplomacy
Plague Inc: Evolved 2016	Est. copies ≈ 2.6M–4.2M SteamSpy 1M–2M	Est. revenue $10.7M–$28.7M after Steam's cut $19.4M–$44.1M before the cut	$14.99	65k reviews Very Positive	StrategySimulation
Warhammer 40,000: Gladius - Relics of War 2018	Est. copies ≈ 558k–907k SteamSpy 1M–2M	Est. revenue $6.1M–$16.5M after Steam's cut $11.2M–$25.4M before the cut	$39.99	18k reviews Very Positive	StrategyWarhammer 40K