How much revenue did Knock-knock make?

$360k–$967k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Knock-knock sell?

Q: How many copies did Knock-knock sell?

131k to 213k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 131k–213k; $360k–$967k after Steam's cut $654k–$1.5M before the cut; from 2k 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 Knock-knock out and predicted the genre from its 8 similar games. Every figure here, including Knock-knock's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 6k–10k

best case 36k (Iron Meat)

Games like Knock-knock

The middle of these games

≈ 6k–10k copies

≈ $27k–$42k after Steam's cut

from ~231 reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

1 of your 8 similar games is a hit.

Best case: Iron Meat at ≈ 27k–44k copies, ≈ $150k–$404k after Steam's cut.

What it took to get here

About half the games that made it here had over 85 reviews in their first month; the spread ran 9 to 497.

Under about 100 in month one, almost nothing recovers.

The genre you'd be entering

Your set: Your set clusters on 2D Platformer (8 of 8) and Side Scroller (8 of 8).
The winners: Winners here lead with Shoot 'Em Up + Side Scroller, priced around $20.
The era: 4 of your 8 similar games shipped in the last two years, so this niche is actively shipping.

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 of about 31, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

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PARASiTE FLOWER 2024	Est. copies ≈ 6k–10k SteamSpy under 20k	Est. revenue $5k–$14k after Steam's cut $9k–$21k before the cut	$2.99	252 reviews Mostly Positive	RPGJRPG
Angel's Gear 2023	Est. copies ≈ 7k–11k SteamSpy under 20k	Est. revenue $18k–$49k after Steam's cut $33k–$75k before the cut	$9.99	267 reviews Mostly Positive	MetroidvaniaSide Scroller
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Okinawa Rush 2021	Est. copies ≈ 4k–6k SteamSpy 20k–50k	Est. revenue $18k–$48k after Steam's cut $33k–$74k before the cut	$17.99	146 reviews Very Positive	Beat 'em up2D Platformer
Iron Meat 2024	Est. copies ≈ 27k–44k 4.8x vs typical SteamSpy 100k–200k	Est. revenue $150k–$404k after Steam's cut $273k–$621k before the cut	$19.99	1k reviews Overwhelmingly Positive	Shoot 'Em UpSide Scroller
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