How much revenue did Katana ZERO make?

$9.0M–$24.2M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Katana ZERO sell?

Q: How many copies did Katana ZERO sell?

2.2M to 3.6M copies, based on its 76k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 2.2M–3.6M; $9.0M–$24.2M after Steam's cut $16.4M–$37.3M before the cut; from 76k 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 Katana ZERO out and predicted the genre from its 8 similar games. Every figure here, including Katana ZERO's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 5.6M–10.0M

best case 33.1M (The Binding of Isaac: Rebirth)

Games like Katana ZERO

The middle of these games

≈ 5.6M–10.0M copies

≈ $36.3M–$86.0M after Steam's cut

from ~137k 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.

No genre covers most of your similar games. The closest is Rogue-like (4 of 8), so the genre you lead with is still undecided.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: The Binding of Isaac: Rebirth at ≈ 25.2M–41.0M copies, ≈ $104.0M–$279.6M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Rogue-like (4 of 8) and Action Roguelike (3 of 8).
The winners: Winners here lead with Action Roguelike + Rogue-like, priced around $15.
The era: The games you compared span 2012 to 2020, 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
The Binding of Isaac: Rebirth 2014	Est. copies ≈ 25.2M–41.0M 3.3x vs typical SteamSpy 5M–10M	Est. revenue $104.0M–$279.6M after Steam's cut $189.1M–$430.1M before the cut	$14.99	450k reviews Overwhelmingly Positive	Action RoguelikeRogue-like
RimWorld 2018	Est. copies ≈ 7.5M–12.1M 1.8x vs typical SteamSpy 5M–10M	Est. revenue $71.8M–$193.1M after Steam's cut $130.6M–$297.1M before the cut	$34.99	246k reviews Overwhelmingly Positive	Colony SimBase-Building
Dead Cells 2018	Est. copies ≈ 5.6M–9.0M SteamSpy 5M–10M	Est. revenue $38.2M–$102.8M after Steam's cut $69.5M–$158.2M before the cut	$24.99	183k reviews Overwhelmingly Positive	AdventureAction Roguelike
Starbound 2016	Est. copies ≈ 5.1M–8.3M SteamSpy 2M–5M	Est. revenue $21.1M–$56.8M after Steam's cut $38.4M–$87.4M before the cut	$14.99	123k reviews Very Positive	Open World Survival CraftSandbox
Celeste 2018	Est. copies ≈ 4.4M–7.2M SteamSpy 2M–5M	Est. revenue $24.5M–$65.8M after Steam's cut $44.5M–$101.2M before the cut	$19.99	146k reviews Overwhelmingly Positive	Precision PlatformerDifficult
Enter the Gungeon 2016	Est. copies ≈ 3.7M–6.1M SteamSpy 2M–5M	Est. revenue $15.4M–$41.4M after Steam's cut $28.0M–$63.6M before the cut	$14.99	90k reviews Overwhelmingly Positive	Bullet HellAction Roguelike
Hotline Miami 2012	Est. copies ≈ 8.1M–13.1M SteamSpy 2M–5M	Est. revenue $22.2M–$59.6M after Steam's cut $40.3M–$91.7M before the cut	$9.99	128k reviews Overwhelmingly Positive	Great SoundtrackViolent
Noita 2020	Est. copies ≈ 2.2M–3.6M SteamSpy 2M–5M	Est. revenue $12.1M–$32.5M after Steam's cut $22.0M–$50.0M before the cut	$19.99	89k reviews Overwhelmingly Positive	PhysicsRogue-like