How many copies did KARDS - The WW2 Card Game sell?

1.3M to 2.1M copies, based on its 51k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did KARDS - The WW2 Card Game make?

KARDS - The WW2 Card Game is free to play, so there is no copy-sales revenue to estimate.

How big is KARDS - The WW2 Card Game?

Estimated owners: ≈ 1.3M–2.1M; from 51k reviews (Mixed)

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 KARDS - The WW2 Card Game out and predicted the genre from its 8 similar games. Every figure here, including KARDS - The WW2 Card Game's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 967k–1.6M

best case 2.0M (Yu-Gi-Oh! Duel Links)

Games like KARDS - The WW2 Card Game

The middle of these games

≈ 967k–1.6M copies

from ~26k reviews

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

4 of your 8 similar games are hits.

Best case: Yu-Gi-Oh! Duel Links at ≈ 1.5M–2.5M copies.

What it took to get here

About half the games that made it here had over 21 reviews in their first month; the spread ran 3 to 5k.

Under about 100 in month one, almost nothing recovers.

The genre you'd be entering

Your set: Your set clusters on Card Game (8 of 8) and Trading Card Game (7 of 8).
The winners: Winners here lead with Card Game + Anime.
The era: The games you compared span 2015 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 61 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
HoCWar 2016	Est. copies ≈ 6k–10k too small to compare SteamSpy under 20k	Est. revenue Free	Free	142 reviews Mixed	StrategyFree to Play
Artifact 2018	Est. copies ≈ 753k–1.2M SteamSpy 1M–2M	Est. revenue Free	Free	25k reviews Mixed	Card BattlerDeckbuilding
World War 3: Card Battler 2024	Est. copies ≈ 99–161 too small to compare SteamSpy under 20k	Est. revenue $27–$73 after Steam's cut $49–$112 before the cut	$0.99	4 reviews 4 user reviews	FunnyPolitical
Card Blitz: WWII 2020	Est. copies ≈ 2k–4k too small to compare SteamSpy under 20k	Est. revenue Free	Free	92 reviews Mixed	Trading Card GameWorld War II
WWII TCG - World War 2: The Card Game 2019	Est. copies ≈ 11k–17k too small to compare SteamSpy 100k–200k	Est. revenue Free	Free	372 reviews Mixed	Free to PlayStrategy
Yu-Gi-Oh! Duel Links 2017	Est. copies ≈ 1.5M–2.5M 1.7x vs typical SteamSpy 2M–5M	Est. revenue Free	Free	45k reviews Very Positive	Free to PlayCard Game
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
Magic Duels 2015	Est. copies ≈ 1.2M–1.9M SteamSpy 2M–5M	Est. revenue Free	Free	24k reviews Mostly Positive	Free to PlayCard Game