How much revenue did Poly Bridge make?

$2.2M–$5.8M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Poly Bridge sell?

Q: How many copies did Poly Bridge sell?

788k to 1.3M copies, based on its 19k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 788k–1.3M; $2.2M–$5.8M after Steam's cut $3.9M–$9.0M before Steam's cut; from 19k 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 Poly Bridge and predicted how it would do from its 8 similar games. Every figure here, including Poly Bridge's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1.8M–2.0M

best case 105.1M (Garry's Mod)

Games like Poly Bridge

A typical game among these

≈ 1.8M–2.0M copies

≈ $12.6M–$17.0M after Steam's cut

from ~60k 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.

These similar games lean toward the genre's biggest winners; the typical figure comes from its ordinary successes.

Best case: Garry's Mod at ≈ 80.0M–130.1M copies, ≈ $219.9M–$591.3M 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 31k reviews in their first month; the range was 11k to 122k.

The genre you'd be entering

These games: The similar games share Sandbox (8 of 8) and Building (7 of 8).
The winners: Winners here lead with Sandbox, priced around $20.
When they shipped: The similar games span 2006 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
Garry's Mod 2006	Est. copies ≈ 80.0M–130.1M 21x vs typical SteamSpy 20M–50M	Est. revenue $219.9M–$591.3M after Steam's cut $399.8M–$909.6M before Steam's cut	$9.99	1.3M reviews Overwhelmingly Positive	SandboxModdable
Space Engineers 2019	Est. copies ≈ 3.9M–6.3M 2.2x vs typical SteamSpy 2M–5M	Est. revenue $21.3M–$57.3M after Steam's cut $38.7M–$88.1M before Steam's cut	$19.99	135k reviews Very Positive	SpaceSandbox
People Playground 2019	Est. copies ≈ 9.2M–15.0M 5.4x vs typical SteamSpy 5M–10M	Est. revenue $25.4M–$68.2M after Steam's cut $46.1M–$104.9M before Steam's cut	$9.99	321k reviews Overwhelmingly Positive	SandboxGore
Kerbal Space Program 2015	Est. copies ≈ 7.2M–11.7M 2.5x vs typical SteamSpy 2M–5M	Est. revenue $79.0M–$212.3M after Steam's cut $143.6M–$326.6M before Steam's cut	$39.99	147k reviews Overwhelmingly Positive	SpaceSimulation
Scrap Mechanic 2026	Est. copies ≈ 3.1M–5.0M 2.1x vs typical SteamSpy 2M–5M	Est. revenue $24.3M–$65.4M after Steam's cut $44.2M–$100.6M before Steam's cut	$28.99	123k reviews Very Positive	BuildingSandbox
Besiege 2020	Est. copies ≈ 1.3M–2.1M SteamSpy 1M–2M	Est. revenue $5.5M–$14.7M after Steam's cut $9.9M–$22.6M before Steam's cut	$14.99	53k reviews Overwhelmingly Positive	SimulationSandbox
Stormworks: Build and Rescue 2020	Est. copies ≈ 1.5M–2.4M SteamSpy 1M–2M	Est. revenue $10.3M–$27.6M after Steam's cut $18.7M–$42.5M before Steam's cut	$24.99	60k reviews Very Positive	SandboxBase-Building
Brick Rigs 2023	Est. copies ≈ 1.5M–2.4M SteamSpy 1M–2M	Est. revenue $8.2M–$22.0M after Steam's cut $14.8M–$33.8M before Steam's cut	$19.99	60k reviews Very Positive	SandboxDestruction