How much revenue did Steam Marines make?

$103k–$276k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Steam Marines sell?

Q: How many copies did Steam Marines sell?

19k to 30k copies, based on its 333 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 19k–30k; $103k–$276k after Steam's cut $186k–$424k before the cut; from 333 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 Steam Marines out and predicted the genre from its 8 similar games. Every figure here, including Steam Marines's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 243k–487k

best case 887k (Into the Breach)

Games like Steam Marines

The middle of these games

≈ 243k–487k copies

≈ $1.5M–$3.2M after Steam's cut

from ~7k 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: Into the Breach at ≈ 676k–1.1M copies, ≈ $2.8M–$7.5M after Steam's cut.

What it took to get here

About half the games that made it here had over 6k reviews in their first month; the spread ran 3k to 8k.

The genre you'd be entering

Your set: Your set clusters on Turn-Based (6 of 8) and Rogue-like (4 of 8).
The winners: Winners here lead with Turn-Based Strategy + Turn-Based Tactics, priced around $15.
The era: The games you compared span 2008 to 2026, 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 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
X-COM: UFO Defense 2008	Est. copies ≈ 252k–410k SteamSpy 1M–2M	Est. revenue $346k–$931k after Steam's cut $629k–$1.4M before the cut	$4.99	4k reviews Overwhelmingly Positive	StrategyClassic
Tales of Maj'Eyal 2013	Est. copies ≈ 469k–762k SteamSpy 50k–100k	Est. revenue $902k–$2.4M after Steam's cut $1.6M–$3.7M before the cut	$6.99	7k reviews Very Positive	Traditional RoguelikeRogue-like
Crown Trick 2020	Est. copies ≈ 134k–217k SteamSpy 500k–1M	Est. revenue $735k–$2.0M after Steam's cut $1.3M–$3.0M before the cut	$19.99	5k reviews Very Positive	Rogue-likeTurn-Based Combat
The Last Spell 2023	Est. copies ≈ 338k–550k 2.0x vs typical SteamSpy 500k–1M	Est. revenue $2.3M–$6.3M after Steam's cut $4.2M–$9.6M before the cut	$24.99	14k reviews Very Positive	StrategySingleplayer
Into the Breach 2018	Est. copies ≈ 676k–1.1M 3.3x vs typical SteamSpy 1M–2M	Est. revenue $2.8M–$7.5M after Steam's cut $5.1M–$11.5M before the cut	$14.99	22k reviews Very Positive	StrategyTurn-Based Strategy
Gordian Quest 2022	Est. copies ≈ 149k–243k SteamSpy 200k–500k	Est. revenue $821k–$2.2M after Steam's cut $1.5M–$3.4M before the cut	$19.99	6k reviews Very Positive	RPGCard Game
Quasimorph 2026	Est. copies ≈ 197k–321k SteamSpy 200k–500k	Est. revenue $1.4M–$3.6M after Steam's cut $2.5M–$5.6M before the cut	$24.99	8k reviews Very Positive	Early AccessExtraction Shooter
Invisible, Inc. 2015	Est. copies ≈ 282k–458k SteamSpy 1M–2M	Est. revenue $1.6M–$4.2M after Steam's cut $2.8M–$6.4M before the cut	$19.99	6k reviews Very Positive	CyberpunkDifficult