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 players who have it: ≈ 248–403; from 10 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 NEXT DOOR - An Eternal World and predicted how it would do from its 8 similar games. Every figure here, including NEXT DOOR - An Eternal World's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 50k–97k

best case 322k (TROUBLESHOOTER: Abandoned Children)

Games like NEXT DOOR - An Eternal World

A typical game among these

≈ 50k–97k copies

≈ $392k–$2.0M after Steam's cut

from ~2k reviews

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

7 of the 8 similar games are hits.

Best case: TROUBLESHOOTER: Abandoned Children at ≈ 246k–399k copies, ≈ $1.7M–$4.5M after Steam's cut.

What their first month looked like

About half the games that made it here had over 584 reviews in their first month; the range was 403 to 2k.

The genre you'd be entering

These games: The similar games share JRPG (7 of 8) and Party-Based RPG (5 of 8).
The winners: Winners here lead with CRPG + Tactical RPG, priced around $25.
When they shipped: Only 1 of the 8 similar games shipped in the last two years. That says more about which games were found than about the market.

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 Steam's 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 $260k–$591k before Steam's cut	$17.99	1k reviews Mostly Positive	JRPG Turn-Based Tactics
TROUBLESHOOTER: Abandoned Children 2020	Est. copies ≈ 246k–399k 5.2x vs typical SteamSpy 200k–500k	Est. revenue $1.7M–$4.5M after Steam's cut $3.1M–$7.0M before Steam's cut	$24.99	10k reviews Very Positive	CRPGTactical RPG
Bloomtown: A Different Story 2024	Est. copies ≈ 41k–67k SteamSpy 20k–50k	Est. revenue $282k–$758k after Steam's cut $513k–$1.2M before Steam's cut	$24.99	2k reviews Very Positive	RPGAdventure
ANOTHER EDEN 2021	Est. copies ≈ 52k–84k SteamSpy 500k–1M	Est. revenue Free	Free	2k reviews Mixed	Free to PlayJRPG
Tactics Ogre: Reborn 2022	Est. copies ≈ 115k–187k 2.4x vs typical SteamSpy 200k–500k	Est. revenue $1.6M–$4.2M after Steam's cut $2.9M–$6.5M before Steam's cut	$49.99	5k reviews Mostly Positive	Tactical RPGTurn-Based Tactics
The Legend of Heroes: Kuro no Kiseki 2022	Est. copies ≈ 43k–70k SteamSpy 50k–100k	Est. revenue $591k–$1.6M after Steam's cut $1.1M–$2.4M before Steam's cut	$49.99	2k reviews Very Positive	RPGJRPG
Lost Eidolons 2022	Est. copies ≈ 60k–97k SteamSpy 200k–500k	Est. revenue $575k–$1.5M after Steam's cut $1.0M–$2.4M before Steam's cut	$34.99	2k reviews Mixed	JRPGWar