How much revenue did 9 Kings make?

$3.2M–$8.6M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did 9 Kings sell?

Q: How many copies did 9 Kings sell?

580k to 942k copies, based on its 23k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 580k–942k; $3.2M–$8.6M after Steam's cut $5.8M–$13.2M before Steam's cut; from 23k reviews (Very 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 9 Kings and predicted how it would do from its 8 similar games. Every figure here, including 9 Kings's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2.2M–7.0M

best case 8.3M (Slay the Spire)

Games like 9 Kings

A typical game among these

≈ 2.2M–7.0M copies

≈ $16.4M–$66.8M after Steam's cut

from ~68k 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.

The genre you'd be entering

These games: The similar games share Rogue-like (6 of 8) and Turn-Based (3 of 8).
The winners: Winners here lead with Roguelike Deckbuilder + Card Game, priced around $25.
When they shipped: The similar games span 2012 to 2026, 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 79 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
Darkest Dungeon® 2016	Est. copies ≈ 6.8M–11.0M 2.4x vs typical SteamSpy 2M–5M	Est. revenue $46.5M–$125.1M after Steam's cut $84.6M–$192.5M before Steam's cut	$24.99	163k reviews Very Positive	Turn-Based CombatDark Fantasy
Slay the Spire 2019	Est. copies ≈ 6.3M–10.3M 3.2x 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 SteamSpy 500k–1M	Est. revenue Free	Free	65k reviews Very Positive	PvETrading Card Game
The Scroll of Taiwu : Beyond The Dome 2026	Est. copies ≈ 1.7M–2.8M SteamSpy 2M–5M	Est. revenue $14.4M–$38.7M after Steam's cut $26.1M–$59.5M before Steam's cut	$29.99	70k reviews Mixed	RPGMartial Arts
For The King 2018	Est. copies ≈ 1.3M–2.2M SteamSpy 2M–5M	Est. revenue $7.3M–$19.7M after Steam's cut $13.3M–$30.3M before Steam's cut	$19.99	44k reviews Very Positive	RPGOnline Co-Op
FTL: Faster Than Light 2012	Est. copies ≈ 5.0M–8.1M SteamSpy 2M–5M	Est. revenue $13.7M–$36.8M after Steam's cut $24.9M–$56.6M before Steam's cut	$9.99	79k reviews Overwhelmingly Positive	Rogue-likeSpace
Realm of the Mad God Exalt 2012	Est. copies ≈ 3.0M–4.9M SteamSpy 500k–1M	Est. revenue Free	Free	48k reviews Very Positive	Pixel GraphicsMMORPG
Loop Hero 2021	Est. copies ≈ 907k–1.5M SteamSpy 1M–2M	Est. revenue $3.7M–$10.1M after Steam's cut $6.8M–$15.5M before Steam's cut	$14.99	37k reviews Very Positive	TacticalRogue-like