How big is the Deckbuilding market on Steam?

A typical Deckbuilding game sells 1k to 2k copies, and the top decile 32k to 52k, based on the 1,366 games SteamSpy lists for the tag (its visible subset). Labeled estimates from review counts, not exact sales.

The realistic ceiling for Deckbuilding games

Two honest views of what Deckbuilding games do on Steam: the whole market from a systematic sample, and the games gathered here. Kept separate on purpose.

The market

A typical game sells

≈ 1k–2k copies

$3k–$7k after Steam's cut, est.

The top decile

≈ 32k–52k copies

$79k–$213k after Steam's cut, est.

Half the reviews in SteamSpy's sample of 1,366 Deckbuilding games sit with 12 of them.

Based on the 1,366 Deckbuilding games SteamSpy listed on August 30, 2026. It misses the games that barely sold, so these figures flatter the genre. Games are grouped by the tags players give them, which are applied loosely, so a genre's edges are fuzzy. Owners are SteamSpy estimates from review counts, not exact sales.

The Deckbuilding games gathered on wishvane

Across the 356 Deckbuilding games compared here, the middle one runs ≈ 53k–59k copies (est.), with Slay the Spire the biggest comparable game at ≈ 6.3M–10.2M. These are the games people chose to compare, not a sample of the genre, so they run far larger than the market figures above.

The Deckbuilding games gathered here span 2011 to 2026, and 150 of the 356 of them shipped in the last two years.
The biggest Deckbuilding games here share nothing more specific than the genre; individually they lead with Board Game and Sci-fi.
Across the Deckbuilding games gathered here the median price is $12.99, and the biggest charge more, around $20.

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Building a Deckbuilding game? This genre already ran your experiment. Add the games yours will be compared to and see what's realistic, before you spend months on it.