How much revenue did It came from space and ate our brains make?

$69k–$187k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did It came from space and ate our brains sell?

Q: How many copies did It came from space and ate our brains sell?

25k to 41k copies, based on its 518 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 25k–41k; $69k–$187k after Steam's cut $126k–$287k before the cut; from 518 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 It came from space and ate our brains out and predicted the genre from its 8 similar games. Every figure here, including It came from space and ate our brains's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 435k–906k

best case 2.1M (HELLDIVERS™ Dive Harder Edition)

Games like It came from space and ate our brains

The middle of these games

≈ 435k–906k copies

≈ $4.0M–$9.4M after Steam's cut

from ~13k 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: HELLDIVERS™ Dive Harder Edition at ≈ 1.6M–2.6M copies, ≈ $9.0M–$24.1M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Top-Down Shooter (8 of 8) and Co-op (5 of 8).
The winners: Winners here lead with Co-op + Top-Down Shooter, priced around $20.
The era: The games you compared span 1997 to 2021, 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
SYNTHETIK: Legion Rising 2018	Est. copies ≈ 398k–647k SteamSpy 500k–1M	Est. revenue $2.2M–$5.9M after Steam's cut $4.0M–$9.1M before the cut	$19.99	13k reviews Very Positive	Top-Down ShooterRogue-lite
HELLDIVERS™ Dive Harder Edition 2015	Est. copies ≈ 1.6M–2.6M 2.6x vs typical SteamSpy 2M–5M	Est. revenue $9.0M–$24.1M after Steam's cut $16.3M–$37.0M before the cut	$19.99	33k reviews Very Positive	Online Co-OpCo-op
The Ascent 2021	Est. copies ≈ 617k–1.0M 1.9x vs typical SteamSpy 1M–2M	Est. revenue $5.1M–$13.7M after Steam's cut $9.2M–$21.0M before the cut	$29.99	25k reviews Mostly Positive	Top-Down ShooterCyberpunk
POSTAL 1997	Est. copies ≈ 911k–1.5M SteamSpy 2M–5M	Est. revenue Free	Free	14k reviews Very Positive	HorrorVillain Protagonist
Relic Hunters Zero: Remix 2015	Est. copies ≈ 330k–536k SteamSpy 1M–2M	Est. revenue Free	Free	7k reviews Very Positive	Looter ShooterTwin Stick Shooter
Brigador: Up-Armored Edition 2016	Est. copies ≈ 242k–394k SteamSpy 200k–500k	Est. revenue $1.7M–$4.5M after Steam's cut $3.0M–$6.9M before the cut	$24.99	6k reviews Very Positive	Twin Stick ShooterAction
RUINER 2017	Est. copies ≈ 429k–698k SteamSpy 500k–1M	Est. revenue $2.4M–$6.3M after Steam's cut $4.3M–$9.8M before the cut	$19.99	12k reviews Very Positive	CyberpunkAction
SAS: Zombie Assault 4 2017	Est. copies ≈ 332k–540k SteamSpy 1M–2M	Est. revenue Free	Free	10k reviews Very Positive	Free to PlayZombies