How many copies did BrainBread 2 sell?

129k to 210k copies, based on its 5k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did BrainBread 2 make?

BrainBread 2 is free to play, so there is no copy-sales revenue to estimate.

How big is BrainBread 2?

Estimated owners: ≈ 129k–210k; from 5k reviews (Mostly 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 BrainBread 2 out and predicted the genre from its 8 similar games. Every figure here, including BrainBread 2's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 6.5M–21.9M

best case 87.5M (Left 4 Dead 2)

Games like BrainBread 2

The middle of these games

≈ 6.5M–21.9M copies

≈ $79.4M–$321.9M after Steam's cut

from ~301k 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: Left 4 Dead 2 at ≈ 66.7M–108.4M copies, ≈ $183.2M–$492.6M after Steam's cut.

What it took to get here

About half the games that made it here had over 114k reviews in their first month; the spread ran 42k to 327k.

The genre you'd be entering

Your set: Your set clusters on Zombies (7 of 8) and Survival (6 of 8).
The winners: Winners here lead with Zombies + Co-op, priced around $10.
The era: The games you compared span 2009 to 2025, and 2 of your 8 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
Left 4 Dead 2 2009	Est. copies ≈ 66.7M–108.4M 3.5x 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
Resident Evil Village 2021	Est. copies ≈ 3.8M–6.2M SteamSpy 2M–5M	Est. revenue $41.8M–$112.3M after Steam's cut $76.0M–$172.8M before the cut	$39.99	153k reviews Overwhelmingly Positive	Survival Horror Horror
Z1 Battle Royale 2018	Est. copies ≈ 6.2M–10.0M SteamSpy 10M–20M	Est. revenue Free	Free	202k reviews Mixed	SurvivalMassively Multiplayer
DayZ 2018	Est. copies ≈ 14.2M–23.1M 1.6x vs typical SteamSpy 10M–20M	Est. revenue $195.8M–$526.4M after Steam's cut $356.0M–$809.9M before the cut	$49.99	469k reviews Mostly Positive	SurvivalOpen World
Dying Light 2015	Est. copies ≈ 24.1M–39.2M 1.6x vs typical SteamSpy 10M–20M	Est. revenue $165.8M–$445.8M after Steam's cut $301.5M–$685.8M before the cut	$24.99	494k reviews Overwhelmingly Positive	ZombiesSurvival Horror
SCUM 2025	Est. copies ≈ 3.1M–5.1M SteamSpy 5M–10M	Est. revenue $38.8M–$104.2M after Steam's cut $70.5M–$160.3M before the cut	$44.99	126k reviews Mostly Positive	SurvivalOpen World Survival Craft
Killing Floor 2 2016	Est. copies ≈ 5.4M–8.7M SteamSpy 2M–5M	Est. revenue $44.4M–$119.3M after Steam's cut $80.6M–$183.5M before the cut	$29.99	129k reviews Very Positive	ZombiesMultiplayer
7 Days to Die 2024	Est. copies ≈ 9.9M–16.1M SteamSpy 10M–20M	Est. revenue $122.7M–$330.0M after Steam's cut $223.1M–$507.7M before the cut	$44.99	400k reviews Very Positive	SurvivalZombies