How much revenue did 长明火计划 Project: Eternal Flame make?

$14k–$37k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did 长明火计划 Project: Eternal Flame sell?

Q: How many copies did 长明火计划 Project: Eternal Flame sell?

3k to 4k copies, based on its 105 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 3k–4k; $14k–$37k after Steam's cut $25k–$57k before the cut; from 105 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 长明火计划 Project: Eternal Flame out and predicted the genre from its 8 similar games. Every figure here, including 长明火计划 Project: Eternal Flame's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 15k–137k

best case 1.4M (Library Of Ruina)

The Card Game genre

3 of your 8 similar games are hits. A niche genre: plan for a small audience.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 15k–137k copies

≈ $68k–$1.3M after Steam's cut

from ~643 reviews

Best case

≈ 1.1M–1.8M copies

Library Of Ruina · ≈ $8.9M–$24.1M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on Card Game (7 of 8) and Deckbuilding (6 of 8).
The winners: Winners here lead with Story Rich + Card Game, priced around $30.
The era: The games you compared span 2017 to 2025, a genre with a long track record.

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

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Library Of Ruina 2021	Est. copies ≈ 1.1M–1.8M 68x vs typical SteamSpy 1M–2M	Est. revenue $8.9M–$24.1M after Steam's cut $16.3M–$37.0M before the cut	$29.99	44k reviews Very Positive	Story RichCard Game
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Signs of the Sojourner 2020	Est. copies ≈ 7k–11k SteamSpy under 20k	Est. revenue $37k–$100k after Steam's cut $67k–$153k before the cut	$19.99	255 reviews Very Positive	IndieRPG
Monster Monpiece 2017	Est. copies ≈ 13k–22k SteamSpy 50k–100k	Est. revenue $37k–$99k after Steam's cut $67k–$152k before the cut	$9.99	388 reviews Mostly Positive	StrategyCard Battler