How much revenue did GetsuFumaDen: Undying Moon make?

$195k–$524k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did GetsuFumaDen: Undying Moon sell?

Q: How many copies did GetsuFumaDen: Undying Moon sell?

28k to 46k copies, based on its 1k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 28k–46k; $195k–$524k after Steam's cut $354k–$806k before Steam's cut; from 1k reviews (Mostly Positive)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid GetsuFumaDen: Undying Moon and predicted how it would do from its 8 similar games. Every figure here, including GetsuFumaDen: Undying Moon's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1.0M–4.8M

best case 10.1M (Hades)

Games like GetsuFumaDen: Undying Moon

A typical game among these

≈ 1.0M–4.8M copies

≈ $7.0M–$52.7M after Steam's cut

from ~45k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

All 8 of the similar games are hits.

Best case: Hades at ≈ 7.7M–12.5M copies, ≈ $52.9M–$142.2M after Steam's cut.

What their first month looked like

About half the games that made it here had over 24k reviews in their first month; the range was 15k to 86k.

The genre you'd be entering

These games: The similar games share Action Roguelike (6 of 8) and Rogue-like (6 of 8).
The winners: Winners here lead with Action Roguelike + Rogue-lite, priced around $25.
When they shipped: The similar games span 2016 to 2025, and 3 of the 8 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 52 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
Skul: The Hero Slayer 2021	Est. copies ≈ 1.4M–2.3M SteamSpy 1M–2M	Est. revenue $7.9M–$21.2M after Steam's cut $14.3M–$32.6M before Steam's cut	$19.99	58k reviews Very Positive	IndieAction
Necesse 2025	Est. copies ≈ 727k–1.2M SteamSpy 1M–2M	Est. revenue $3.0M–$8.1M after Steam's cut $5.5M–$12.4M before Steam's cut	$14.99	29k reviews Very Positive	Open World Survival CraftMultiplayer
Children of Morta 2019	Est. copies ≈ 674k–1.1M SteamSpy 1M–2M	Est. revenue $4.1M–$11.0M after Steam's cut $7.4M–$16.9M before Steam's cut	$21.99	23k reviews Very Positive	MultiplayerRogue-like
Hades 2020	Est. copies ≈ 7.7M–12.5M 6.9x vs typical SteamSpy 5M–10M	Est. revenue $52.9M–$142.2M after Steam's cut $96.1M–$218.7M before Steam's cut	$24.99	310k reviews Overwhelmingly Positive	Action RoguelikeRogue-lite
Halls of Torment 2024	Est. copies ≈ 793k–1.3M SteamSpy 500k–1M	Est. revenue $1.5M–$3.9M after Steam's cut $2.6M–$6.0M before Steam's cut	$6.66	32k reviews Overwhelmingly Positive	Action RoguelikeRogue-lite
Hades II 2025	Est. copies ≈ 3.1M–5.0M 2.8x vs typical SteamSpy 2M–5M	Est. revenue $25.3M–$68.0M after Steam's cut $46.0M–$104.6M before Steam's cut	$29.99	124k reviews Overwhelmingly Positive	ActionRogue-like
Hyper Light Drifter 2016	Est. copies ≈ 799k–1.3M SteamSpy 1M–2M	Est. revenue $4.4M–$11.8M after Steam's cut $8.0M–$18.2M before Steam's cut	$19.99	19k reviews Very Positive	Pixel GraphicsGreat Soundtrack
Dead Cells 2018	Est. copies ≈ 5.6M–9.1M 4.1x vs typical SteamSpy 5M–10M	Est. revenue $38.4M–$103.2M after Steam's cut $69.8M–$158.8M before Steam's cut	$24.99	184k reviews Overwhelmingly Positive	AdventureAction Roguelike