How many copies did Katawa Shoujo sell?

140k to 228k copies, based on its 6k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Katawa Shoujo make?

Katawa Shoujo is free to play, so there is no copy-sales revenue to estimate.

How big is Katawa Shoujo?

Estimated owners: ≈ 140k–228k; from 6k reviews (Overwhelmingly 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 Katawa Shoujo out and predicted the genre from its 8 similar games. Every figure here, including Katawa Shoujo's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.4M–2.1M

best case 10.1M (Doki Doki Literature Club!)

The Visual Novel genre

All 8 of your similar games are hits. A big, proven genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 1.4M–2.1M copies

≈ $4.4M–$9.7M after Steam's cut

from ~46k reviews

Best case

≈ 7.7M–12.5M copies

Doki Doki Literature Club!

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Visual Novel (6 of 8) and Dating Sim (5 of 8).
The winners: Winners here lead with Psychological Horror + Visual Novel. The breakout hits carry Psychological Horror + Horror + Dark; a typical game here doesn't.
The era: The games you compared span 2014 to 2024, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

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Everlasting Summer 2014	Est. copies ≈ 4.0M–6.6M 1.7x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	78k reviews Very Positive	Visual Novel Story Rich
Doki Doki Literature Club! 2017	Est. copies ≈ 7.7M–12.5M 4.9x vs typical SteamSpy 5M–10M	Est. revenue Free	Free	224k reviews Overwhelmingly Positive	Psychological Horror Visual Novel
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Emily is Away 2015	Est. copies ≈ 1.5M–2.4M SteamSpy 1M–2M	Est. revenue Free	Free	32k reviews Very Positive	Free to PlayStory Rich
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LoveChoice 2021	Est. copies ≈ 904k–1.5M SteamSpy 1M–2M	Est. revenue $495k–$1.3M after Steam's cut $899k–$2.0M before the cut	$1.99	36k reviews Very Positive	RomanceDating Sim
Senren＊Banka 2020	Est. copies ≈ 963k–1.6M SteamSpy 500k–1M	Est. revenue $9.3M–$24.9M after Steam's cut $16.8M–$38.3M before the cut	$34.99	36k reviews Overwhelmingly Positive	Visual NovelNSFW