How many copies did Yume Nikki sell?

320k to 521k copies, based on its 11k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Yume Nikki make?

Yume Nikki is free to play, so there is no copy-sales revenue to estimate.

How big is Yume Nikki?

Estimated owners: ≈ 320k–521k; from 11k 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 Yume Nikki out and predicted the genre from its 8 similar games. Every figure here, including Yume Nikki's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 154k–460k

best case 551k (Grimm's Hollow)

Games like Yume Nikki

The middle of these games

≈ 154k–460k copies

≈ $4.0M–$9.1M after Steam's cut

from ~5k 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 Anime (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: Grimm's Hollow at ≈ 420k–682k copies.

The genre you'd be entering

Your set: Your set clusters on Anime (4 of 8) and RPGMaker (4 of 8).
The winners: Winners here lead with Story Rich.
The era: The games you compared span 2012 to 2021, 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
Grimm's Hollow 2019	Est. copies ≈ 420k–682k 3.0x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	15k reviews Overwhelmingly Positive	Free to PlayPixel Graphics
Trick & Treat 2016	Est. copies ≈ 100k–163k SteamSpy 200k–500k	Est. revenue Free	Free	2k reviews Overwhelmingly Positive	Free to PlayRPGMaker
Confess My Love 2017	Est. copies ≈ 168k–273k SteamSpy 100k–200k	Est. revenue Free	Free	5k reviews Very Positive	Free to PlayAnime
Have a Nice Dream 2021	Est. copies ≈ 122k–198k SteamSpy 200k–500k	Est. revenue Free	Free	5k reviews Very Positive	RPGPixel Graphics
Epic Battle Fantasy 4 2014	Est. copies ≈ 186k–303k SteamSpy 100k–200k	Est. revenue $768k–$2.1M after Steam's cut $1.4M–$3.2M before the cut	$14.99	3k reviews Overwhelmingly Positive	JRPGTurn-Based
异化之恶〇Abnormal Treatment 2019	Est. copies ≈ 104k–169k SteamSpy 500k–1M	Est. revenue Free	Free	4k reviews Overwhelmingly Positive	RPGMakerRPG
Eternal Senia 2015	Est. copies ≈ 588k–956k 2.5x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	12k reviews Overwhelmingly Positive	AnimeFree to Play
RPG Maker VX Ace 2012	Est. copies ≈ 328k–533k SteamSpy 100k–200k	Est. revenue $6.3M–$17.0M after Steam's cut $11.5M–$26.1M before the cut	$69.99	5k reviews Very Positive	Game DevelopmentRPG