How many copies did Touhou Hero of Ice Fairy: Prologue sell?

84k to 137k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Touhou Hero of Ice Fairy: Prologue make?

Touhou Hero of Ice Fairy: Prologue is free to play, so there is no copy-sales revenue to estimate.

How big is Touhou Hero of Ice Fairy: Prologue?

Estimated owners: ≈ 84k–137k; from 3k 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 Touhou Hero of Ice Fairy: Prologue out and predicted the genre from its 8 similar games. Every figure here, including Touhou Hero of Ice Fairy: Prologue's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 86k–874k

best case 6.9M (NieR:Automata™)

The Anime genre

All 8 of your similar games are hits. A healthy 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

≈ 86k–874k copies

≈ $685k–$11.4M after Steam's cut

from ~6k reviews

Best case

≈ 5.2M–8.5M copies

NieR:Automata™ · ≈ $57.6M–$154.8M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on Anime (5 of 8) and Female Protagonist (4 of 8).
The winners: Winners here lead with Story Rich + Female Protagonist, priced around $40.
The era: The games you compared span 2015 to 2024, a genre with a long track record.

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

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
NieR:Automata™ 2017	Est. copies ≈ 5.2M–8.5M 24x vs typical SteamSpy 2M–5M	Est. revenue $57.6M–$154.8M after Steam's cut $104.7M–$238.1M before the cut	$39.99	152k reviews Very Positive	Great SoundtrackStory Rich
Garfield Kart 2015	Est. copies ≈ 656k–1.1M 2.2x vs typical SteamSpy 500k–1M	Est. revenue $900k–$2.4M after Steam's cut $1.6M–$3.7M before the cut	$4.99	14k reviews Very Positive	Cult ClassicCombat Racing
Kagura Survivors: Endless Night 2023	Est. copies ≈ 67k–108k SteamSpy 200k–500k	Est. revenue Free	Free	3k reviews Mostly Positive	Sexual ContentFree to Play
永远消失的幻想乡～ The Disappearing of Gensokyo 2018	Est. copies ≈ 108k–176k SteamSpy 200k–500k	Est. revenue $328k–$882k after Steam's cut $596k–$1.4M before the cut	$10.99	4k reviews Very Positive	AnimeBullet Hell
Touhou Hero of Ice Fairy 2024	Est. copies ≈ 216k–351k SteamSpy 100k–200k	Est. revenue $415k–$1.1M after Steam's cut $754k–$1.7M before the cut	$6.99	9k reviews Overwhelmingly Positive	Bullet HellAnime
Noctuary 2023	Est. copies ≈ 63k–102k SteamSpy 50k–100k	Est. revenue $516k–$1.4M after Steam's cut $938k–$2.1M before the cut	$29.99	3k reviews Very Positive	CuteInteractive Fiction
NieR Replicant™ ver.1.22474487139... 2021	Est. copies ≈ 696k–1.1M 4.5x vs typical SteamSpy 500k–1M	Est. revenue $11.5M–$30.9M after Steam's cut $20.9M–$47.5M before the cut	$59.99	28k reviews Very Positive	Great SoundtrackStory Rich
Touhou: Scarlet Curiosity 2018	Est. copies ≈ 40k–65k SteamSpy 100k–200k	Est. revenue $164k–$441k after Steam's cut $298k–$678k before the cut	$14.99	1k reviews Very Positive	Bullet HellAction