How much revenue did Gaia Project make?

$62k–$166k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Gaia Project sell?

Q: How many copies did Gaia Project sell?

9k to 15k copies, based on its 362 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 9k–15k; $62k–$166k after Steam's cut $112k–$255k before the cut; from 362 reviews (Very Positive)

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 Gaia Project out and predicted the genre from its 8 similar games. Every figure here, including Gaia Project's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 473k–1.4M

best case 1.4M (FPS Chess)

Games like Gaia Project

The middle of these games

≈ 473k–1.4M copies

≈ $1.9M–$14.0M after Steam's cut

from ~20k reviews

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

6 of your 8 similar games are hits.

Best case: FPS Chess at ≈ 1.1M–1.8M copies.

What it took to get here

About half the games that made it here had over 1k reviews in their first month; the spread ran 32 to 3k.

The genre you'd be entering

Your set: Your set clusters on Board Game (5 of 8) and Sci-fi (5 of 8).
The winners: Winners here lead with FPS + Shooter.
The era: The games you compared span 2014 to 2023, and none of them 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 70 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
Sid Meier's Civilization®: Beyond Earth™ 2014	Est. copies ≈ 1.3M–2.1M SteamSpy 1M–2M	Est. revenue $14.2M–$38.3M after Steam's cut $25.9M–$58.9M before the cut	$39.99	23k reviews Mixed	StrategyTurn-Based Strategy
Terraforming Mars 2018	Est. copies ≈ 220k–357k SteamSpy 500k–1M	Est. revenue $1.2M–$3.2M after Steam's cut $2.2M–$5.0M before the cut	$19.99	7k reviews Mostly Positive	StrategyBoard Game
Terraformers 2023	Est. copies ≈ 93k–151k SteamSpy 1M–2M	Est. revenue $509k–$1.4M after Steam's cut $926k–$2.1M before the cut	$19.99	4k reviews Very Positive	SimulationProcedural Generation
FPS Chess 2022	Est. copies ≈ 1.1M–1.8M 2.2x vs typical SteamSpy 1M–2M	Est. revenue Free	Free	44k reviews Very Positive	FPSPvP
Trap for Winners 2019	Est. copies ≈ 461–749 too small to compare SteamSpy under 20k	Est. revenue $1k–$3k after Steam's cut $2k–$4k before the cut	$7.99	16 reviews Positive	IndieAdventure
RISK: Global Domination 2020	Est. copies ≈ 1.0M–1.7M 2.1x vs typical SteamSpy 2M–5M	Est. revenue Free	Free	42k reviews Mostly Positive	Free to PlayMultiplayer
Armello 2015	Est. copies ≈ 783k–1.3M SteamSpy 1M–2M	Est. revenue $5.4M–$14.5M after Steam's cut $9.8M–$22.3M before the cut	$24.99	16k reviews Very Positive	Board GamePvP
The Captain is Dead 2021	Est. copies ≈ 2k–3k too small to compare SteamSpy 20k–50k	Est. revenue $11k–$30k after Steam's cut $21k–$47k before the cut	$19.99	83 reviews Very Positive	StrategyBoard Game