How much revenue did I Am a Rock make?

$679–$2k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did I Am a Rock sell?

Q: How many copies did I Am a Rock sell?

1k to 2k copies, based on its 50 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1k–2k; $679–$2k after Steam's cut $1k–$3k before Steam's cut; from 50 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 I Am a Rock and predicted how it would do from its 8 similar games. Every figure here, including I Am a Rock's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 42k–173k

best case 2.1M (Universe Sandbox)

Games like I Am a Rock

A typical game among these

≈ 42k–173k copies

≈ $589k–$1.0M after Steam's cut

from ~2k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

7 of the 8 similar games are hits.

No genre covers most of these similar games. The closest is Sandbox (4 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Universe Sandbox at ≈ 1.6M–2.6M copies, ≈ $13.0M–$35.0M after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like

About half the games that made it here had over 342 reviews in their first month; the range was 198 to 2k.

The genre you'd be entering

These games: The similar games share Sandbox (4 of 8) and Simulation (4 of 8).
The winners: Winners here lead with Sandbox + Space, priced around $30. The breakout hits carry Science + Destruction + Realistic; a typical game here doesn't.
When they shipped: The similar games span 2011 to 2022, 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 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
Universe Sandbox 2015	Est. copies ≈ 1.6M–2.6M 21x vs typical SteamSpy 1M–2M	Est. revenue $13.0M–$35.0M after Steam's cut $23.6M–$53.8M before Steam's cut	$29.99	32k reviews Overwhelmingly Positive	SandboxSpace
Exo One 2021	Est. copies ≈ 131k–213k 3.4x vs typical SteamSpy 200k–500k	Est. revenue $612k–$1.6M after Steam's cut $1.1M–$2.5M before Steam's cut	$16.99	5k reviews Very Positive	AtmosphericExploration
Solar 2 2011	Est. copies ≈ 141k–230k SteamSpy 100k–200k	Est. revenue $388k–$1.0M after Steam's cut $706k–$1.6M before Steam's cut	$9.99	2k reviews Very Positive	SpaceIndie
The Sandbox Evolution - Craft a 2D Pixel Universe! 2016	Est. copies ≈ 63k–102k SteamSpy 200k–500k	Est. revenue Free	Free	2k reviews Mixed	SandboxPixel Graphics
Everything 2017	Est. copies ≈ 133k–216k 2.5x vs typical SteamSpy 100k–200k	Est. revenue $549k–$1.5M after Steam's cut $997k–$2.3M before Steam's cut	$14.99	4k reviews Very Positive	PhilosophicalSimulation
Stardeus 2022	Est. copies ≈ 39k–63k SteamSpy 100k–200k	Est. revenue $319k–$859k after Steam's cut $581k–$1.3M before Steam's cut	$29.99	2k reviews Very Positive	Early AccessExploration
The Fermi Paradox 2021	Est. copies ≈ 25k–40k SteamSpy 100k–200k	Est. revenue $130k–$349k after Steam's cut $236k–$537k before Steam's cut	$18.99	1k reviews Mostly Positive	Early AccessGod Game
Exo One: Prologue 2020	Est. copies ≈ 19k–30k SteamSpy 50k–100k	Est. revenue Free	Free	746 reviews Very Positive	FlightSci-fi