How much revenue did Killing Floor 2 make?

An estimated 42.6M to 114.4M net after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Killing Floor 2 sell?

Q: How many copies did Killing Floor 2 sell?

An estimated 5.2M to 8.4M copies, based on its 129k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 5.2M–8.4M; $42.6M–$114.4M net $77.4M–$176.1M gross; from 129k 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 Killing Floor 2 out and predicted the genre from its 8 similar games. Every figure here, including Killing Floor 2's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 8.8M–21.4M

best case 71.2M (Left 4 Dead 2)

The Multiplayer lane

A big, proven genre: most sell around 11.5M copies.

A typical game

≈ 11.5M copies

≈ $220.3M after Steam's cut

from ~339k reviews

Best case

≈ 71.2M copies

Left 4 Dead 2 · ≈ $275.0M after Steam's cut

from 1.0M reviews

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with Zombies + Co-op, priced around $10.
The games you compared span 2009 to 2024, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
Left 4 Dead 2 2009	Est. copies ≈ 54.3M–88.2M 3.1x vs typical SteamSpy 50M–100M	Est. revenue $149.1M–$400.9M net $271.1M–$616.8M gross	$9.99	1.0M reviews Overwhelmingly Positive	ZombiesCo-op +6
7 Days to Die 2024	Est. copies ≈ 9.7M–15.7M SteamSpy 10M–20M	Est. revenue $119.5M–$321.2M net $217.2M–$494.2M gross	$44.99	402k reviews Very Positive	SurvivalZombies +6
Z1 Battle Royale 2018	Est. copies ≈ 6.2M–10.0M SteamSpy 10M–20M	Est. revenue Free	Free	203k reviews Mixed	SurvivalMassively Multiplayer +6
theHunter: Call of the Wild™ 2017	Est. copies ≈ 6.9M–11.2M SteamSpy 5M–10M	Est. revenue $37.8M–$101.6M net $68.7M–$156.4M gross	$19.99	200k reviews Very Positive	HuntingOpen World +6
Hunt: Showdown 1896 2019	Est. copies ≈ 7.9M–12.9M SteamSpy 10M–20M	Est. revenue $65.3M–$175.6M net $118.8M–$270.2M gross	$29.99	275k reviews Mostly Positive	Open WorldExtraction Shooter +6
Dying Light 2015	Est. copies ≈ 22.7M–37.0M SteamSpy 10M–20M	Est. revenue $156.3M–$420.3M net $284.3M–$646.7M gross	$24.99	490k reviews Overwhelmingly Positive	ZombiesSurvival Horror +6
DayZ 2018	Est. copies ≈ 14.1M–22.9M SteamSpy 10M–20M	Est. revenue $194.1M–$521.9M net $353.0M–$803.0M gross	$49.99	465k reviews Mostly Positive	SurvivalOpen World +6
Warhammer 40,000: Darktide 2022	Est. copies ≈ 3.3M–5.3M SteamSpy 2M–5M	Est. revenue $35.7M–$96.1M net $65.0M–$147.9M gross	$39.99	135k reviews Mostly Positive	HorrorTeam-Based +6