How many copies did NEXT DOOR - An Eternal World sell?

248 to 403 copies, based on its 10 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did NEXT DOOR - An Eternal World make?

NEXT DOOR - An Eternal World is free to play, so there is no copy-sales revenue to estimate.

How big is NEXT DOOR - An Eternal World?

Estimated owners: ≈ 248–403; from 10 reviews (Mostly 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 NEXT DOOR - An Eternal World out and predicted the genre from its 8 similar games. Every figure here, including NEXT DOOR - An Eternal World's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 49k–96k

best case 320k (TROUBLESHOOTER: Abandoned Children)

Games like NEXT DOOR - An Eternal World

The middle of these games

≈ 49k–96k copies

≈ $386k–$2.0M after Steam's cut

from ~2k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

7 of your 8 similar games are hits.

Best case: TROUBLESHOOTER: Abandoned Children at ≈ 244k–396k copies, ≈ $1.7M–$4.5M after Steam's cut.

What it took to get here

About half the games that made it here had over 585 reviews in their first month; the spread ran 404 to 2k.

The genre you'd be entering

Your set: Your set clusters on JRPG (7 of 8) and Party-Based RPG (5 of 8).
The winners: Winners here lead with CRPG + Tactical RPG, priced around $25.
The era: Only 1 of your 8 similar games shipped in the last two years. That says more about your picks than about the market, so add newer similar games to read the timing.

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 of about 31, 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
封神榜2022 2022	Est. copies ≈ 24k–39k SteamSpy 100k–200k	Est. revenue $66k–$177k after Steam's cut $120k–$272k before the cut	$9.99	966 reviews Very Positive	RPGJRPG
ARIA CHRONICLE 2020	Est. copies ≈ 29k–47k SteamSpy 100k–200k	Est. revenue $143k–$384k after Steam's cut $259k–$590k before the cut	$17.99	1k reviews Mostly Positive	JRPG Turn-Based Tactics
TROUBLESHOOTER: Abandoned Children 2020	Est. copies ≈ 244k–396k 5.2x vs typical SteamSpy 200k–500k	Est. revenue $1.7M–$4.5M after Steam's cut $3.0M–$6.9M before the cut	$24.99	10k reviews Very Positive	CRPGTactical RPG
Bloomtown: A Different Story 2024	Est. copies ≈ 40k–65k SteamSpy 20k–50k	Est. revenue $276k–$742k after Steam's cut $502k–$1.1M before the cut	$24.99	2k reviews Very Positive	RPGAdventure
ANOTHER EDEN 2021	Est. copies ≈ 51k–83k SteamSpy 500k–1M	Est. revenue Free	Free	2k reviews Mixed	Free to PlayJRPG
Tactics Ogre: Reborn 2022	Est. copies ≈ 114k–185k 2.4x vs typical SteamSpy 200k–500k	Est. revenue $1.6M–$4.2M after Steam's cut $2.8M–$6.5M before the cut	$49.99	5k reviews Mostly Positive	Tactical RPGTurn-Based Tactics
The Legend of Heroes: Kuro no Kiseki 2022	Est. copies ≈ 43k–69k SteamSpy 50k–100k	Est. revenue $586k–$1.6M after Steam's cut $1.1M–$2.4M before the cut	$49.99	2k reviews Very Positive	RPGJRPG
Lost Eidolons 2022	Est. copies ≈ 59k–96k SteamSpy 200k–500k	Est. revenue $569k–$1.5M after Steam's cut $1.0M–$2.4M before the cut	$34.99	2k reviews Mixed	JRPGWar