How many copies did FireJumpers Inferno sell?

2k to 3k copies, based on its 78 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did FireJumpers Inferno make?

FireJumpers Inferno is free to play, so there is no copy-sales revenue to estimate.

How big is FireJumpers Inferno?

Estimated players who have it: ≈ 2k–3k; from 78 reviews (Mixed)

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 FireJumpers Inferno and predicted how it would do from its 8 similar games. Every figure here, including FireJumpers Inferno's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 538k–1.1M

best case 2.0M (Stormworks: Build and Rescue)

Games like FireJumpers Inferno

A typical game among these

≈ 538k–1.1M copies

≈ $6.3M–$17.8M after Steam's cut

from ~20k reviews

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

6 of the 8 similar games are hits.

Best case: Stormworks: Build and Rescue at ≈ 1.5M–2.4M copies, ≈ $10.3M–$27.6M after Steam's cut.

What their first month looked like

About half the games that made it here had over 3k reviews in their first month; the range was 3 to 11k.

The genre you'd be entering

These games: The similar games share Simulation (5 of 8) and Flight (4 of 8).
The winners: Winners here lead with Sandbox + Base-Building, priced around $25.
When they shipped: None of the similar games shipped in the last two years; the newest is from 2023. That says more about which games were found than about the market.

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 38 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
Liftoff®: FPV Drone Racing 2018	Est. copies ≈ 429k–697k SteamSpy 500k–1M	Est. revenue $2.4M–$6.3M after Steam's cut $4.3M–$9.7M before Steam's cut	$19.99	14k reviews Overwhelmingly Positive	SimulationFlight
Ukraine Defender 2022	Est. copies ≈ 198–322 too small to compare SteamSpy under 20k	Est. revenue $163–$438 after Steam's cut $296–$674 before Steam's cut	$2.99	8 reviews 8 user reviews	SimulationFlight
X4: Foundations 2018	Est. copies ≈ 920k–1.5M 1.5x vs typical SteamSpy 1M–2M	Est. revenue $12.7M–$34.0M after Steam's cut $23.0M–$52.3M before Steam's cut	$49.99	30k reviews Mostly Positive	Space SimSimulation
Stormworks: Build and Rescue 2020	Est. copies ≈ 1.5M–2.4M 3.1x vs typical 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
Easy Red 2 2022	Est. copies ≈ 377k–612k SteamSpy 200k–500k	Est. revenue $932k–$2.5M after Steam's cut $1.7M–$3.9M before Steam's cut	$8.99	15k reviews Very Positive	World War IIAction
Carrier Command 2 VR 2021	Est. copies ≈ 3k–5k too small to compare SteamSpy under 20k	Est. revenue Free	Free	134 reviews Mixed	SimulationStrategy
Age of Wonders 4 2023	Est. copies ≈ 571k–929k SteamSpy 500k–1M	Est. revenue $7.9M–$21.1M after Steam's cut $14.3M–$32.5M before Steam's cut	$49.99	23k reviews Very Positive	Strategy4X
ROMANCE OF THE THREE KINGDOMS XIV 2020	Est. copies ≈ 404k–656k SteamSpy 1M–2M	Est. revenue $6.7M–$17.9M after Steam's cut $12.1M–$27.6M before Steam's cut	$59.99	16k reviews Mixed	Turn-Based TacticsWargame