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How many copies did William and Sly sell?

Estimated copies sold
≈ 2k–4k
$9k–$24k after Steam's cut $17k–$38k before the cut
from 89 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 William and Sly out and predicted the genre from its 8 similar games. Every figure here, including William and Sly's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 148k–304k
best case 450k (Little Kitty, Big City)
Games like William and Sly

The middle of these games

≈ 148k–304k copies

≈ $1.1M–$2.4M after Steam's cut

from ~6k 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: Little Kitty, Big City at ≈ 342k–557k copies, ≈ $2.4M–$6.3M after Steam's cut.

What it took to get here
About half the games that made it here had over 2k reviews in their first month; the spread ran 485 to 4k.
The genre you'd be entering
Your set
Your set clusters on Cozy (5 of 8) and Open World (5 of 8).
The winners
Winners here lead with Cats + Wholesome, priced around $25.
The era
5 of your 8 similar games shipped in the last two years. You'd be launching into a busy stretch.
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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2.0x vs typical
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CatsCute
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ColorfulPuzzle

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