How many copies did Eternal Card Game sell?

214k to 348k copies, based on its 7k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Eternal Card Game make?

Eternal Card Game is free to play, so there is no copy-sales revenue to estimate.

How big is Eternal Card Game?

Estimated owners: ≈ 214k–348k; from 7k 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 Eternal Card Game out and predicted the genre from its 8 similar games. Every figure here, including Eternal Card Game's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 406k–1.9M

best case 8.2M (Slay the Spire)

Games like Eternal Card Game

The middle of these games

≈ 406k–1.9M copies

≈ $79.6M after Steam's cut

from ~21k 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.

Best case: Slay the Spire at ≈ 6.3M–10.2M copies, ≈ $43.1M–$116.0M after Steam's cut.

What it took to get here

About half the games that made it here had over 5k reviews in their first month; the spread ran 4k to 8k.

The genre you'd be entering

Your set: Your set clusters on Card Game (7 of 8) and Card Battler (5 of 8).
The winners: Winners here lead with Roguelike Deckbuilder + Card Game, priced around $25.
The era: The games you compared span 2016 to 2024, and 1 of your 8 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 52 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
Shadowverse CCG 2016	Est. copies ≈ 627k–1.0M SteamSpy 2M–5M	Est. revenue Free	Free	15k reviews Mostly Positive	Free to PlayCard Battler
KARDS - The WW2 Card Game 2020	Est. copies ≈ 1.3M–2.1M 2.4x vs typical SteamSpy 2M–5M	Est. revenue Free	Free	51k reviews Mixed	Free to PlayCard Game
Slay the Spire 2019	Est. copies ≈ 6.3M–10.2M 10x vs typical SteamSpy 5M–10M	Est. revenue $43.1M–$116.0M after Steam's cut $78.4M–$178.5M before the cut	$24.99	218k reviews Overwhelmingly Positive	Roguelike DeckbuilderCard Game
Minion Masters 2019	Est. copies ≈ 1.9M–3.1M 3.1x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	65k reviews Very Positive	PvETrading Card Game
Wizard101 2018	Est. copies ≈ 289k–470k SteamSpy 500k–1M	Est. revenue Free	Free	10k reviews Very Positive	ColorfulMMORPG
GWENT: The Witcher Card Game 2020	Est. copies ≈ 687k–1.1M SteamSpy 1M–2M	Est. revenue Free	Free	28k reviews Very Positive	Free to PlayStrategy
Yi Xian: The Cultivation Card Game 2024	Est. copies ≈ 170k–276k SteamSpy 500k–1M	Est. revenue Free	Free	7k reviews Mostly Positive	Free to PlayCard Battler
月圆之夜 (Night of Full Moon) 2019	Est. copies ≈ 316k–514k SteamSpy 500k–1M	Est. revenue Free	Free	11k reviews Very Positive	Card GameFree to Play