How many copies did FireJumpers Inferno sell?

2k to 3k copies, based on its 76 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 owners: ≈ 2k–3k; from 76 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 FireJumpers Inferno out and predicted the genre from its 8 similar games. Every figure here, including FireJumpers Inferno's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 545k–1.1M

best case 2.1M (Stormworks: Build and Rescue)

The Simulation genre

6 of your 8 similar games are hits. A healthy genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 545k–1.1M copies

≈ $6.3M–$18.3M after Steam's cut

from ~19k reviews

Best case

≈ 1.6M–2.5M copies

Stormworks: Build and Rescue · ≈ $10.7M–$28.9M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on Simulation (5 of 8) and Flight (4 of 8).
The winners: Winners here lead with Sandbox + Base-Building, priced around $25.
The era: None of the games you compared shipped in the last two years; the newest is from 2023. That says more about your picks than about the market, so add newer similar games to read the timing.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Liftoff®: FPV Drone Racing 2018	Est. copies ≈ 414k–673k SteamSpy 500k–1M	Est. revenue $2.3M–$6.1M after Steam's cut $4.1M–$9.4M before the cut	$19.99	14k reviews Overwhelmingly Positive	SimulationFlight
Ukraine Defender 2022	Est. copies ≈ 168–273 too small to compare SteamSpy under 20k	Est. revenue $138–$371 after Steam's cut $251–$571 before the cut	$2.99	7 reviews 7 user reviews	SimulationFlight
X4: Foundations 2018	Est. copies ≈ 899k–1.5M 1.5x vs typical SteamSpy 1M–2M	Est. revenue $12.4M–$33.2M after Steam's cut $22.5M–$51.1M before the cut	$49.99	30k reviews Mostly Positive	Space SimSimulation
Stormworks: Build and Rescue 2020	Est. copies ≈ 1.6M–2.5M 3.1x vs typical SteamSpy 1M–2M	Est. revenue $10.7M–$28.9M after Steam's cut $19.5M–$44.5M before the cut	$24.99	59k reviews Very Positive	SandboxBase-Building
Easy Red 2 2022	Est. copies ≈ 339k–551k SteamSpy 200k–500k	Est. revenue $838k–$2.3M after Steam's cut $1.5M–$3.5M before the cut	$8.99	14k 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 ≈ 546k–887k SteamSpy 500k–1M	Est. revenue $7.5M–$20.2M after Steam's cut $13.6M–$31.0M before the cut	$49.99	23k reviews Very Positive	Strategy4X
ROMANCE OF THE THREE KINGDOMS XIV 2020	Est. copies ≈ 418k–679k SteamSpy 1M–2M	Est. revenue $6.9M–$18.5M after Steam's cut $12.5M–$28.5M before the cut	$59.99	16k reviews Mixed	Turn-Based TacticsWargame