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 players who have it: ≈ 214k–348k; from 7k 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 Eternal Card Game and predicted how it would do from its 8 similar games. Every figure here, including Eternal Card Game's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 408k–1.9M

best case 8.3M (Slay the Spire)

Games like Eternal Card Game

A typical game among these

≈ 408k–1.9M copies

≈ $80.2M after Steam's cut

from ~21k reviews

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

All 8 of the similar games are hits.

Best case: Slay the Spire at ≈ 6.3M–10.3M copies, ≈ $43.5M–$116.9M after Steam's cut.

What their first month looked like

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

The genre you'd be entering

These games: The similar games share Card Game (7 of 8) and Card Battler (5 of 8).
The winners: Winners here lead with Roguelike Deckbuilder + Card Game, priced around $25.
When they shipped: The similar games span 2016 to 2024, and 1 of the 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	52k reviews Mixed	Free to PlayCard Game
Slay the Spire 2019	Est. copies ≈ 6.3M–10.3M 10x vs typical SteamSpy 5M–10M	Est. revenue $43.5M–$116.9M after Steam's cut $79.0M–$179.8M before Steam's cut	$24.99	220k reviews Overwhelmingly Positive	Roguelike DeckbuilderCard Game
Minion Masters 2019	Est. copies ≈ 1.9M–3.1M 3.0x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	65k reviews Very Positive	PvETrading Card Game
Wizard101 2018	Est. copies ≈ 293k–476k SteamSpy 500k–1M	Est. revenue Free	Free	10k reviews Very Positive	ColorfulMMORPG
GWENT: The Witcher Card Game 2020	Est. copies ≈ 690k–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 ≈ 171k–278k 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 ≈ 317k–516k SteamSpy 500k–1M	Est. revenue Free	Free	11k reviews Very Positive	Card GameFree to Play