How many copies did Kill It With Fire: HEATWAVE sell?

An estimated 57k to 93k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Kill It With Fire: HEATWAVE make?

Kill It With Fire: HEATWAVE is free to play, so there is no copy-sales revenue to estimate.

How big is Kill It With Fire: HEATWAVE?

Estimated owners: ≈ 57k–93k; from 2k 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 Kill It With Fire: HEATWAVE out and predicted the genre from its 8 similar games. Every figure here, including Kill It With Fire: HEATWAVE's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 11.9M–22.8M

best case 85.1M (Garry's Mod)

The Sandbox lane

A big, proven genre, though hit-driven: most sell around 14.8M copies, while a few break out far above.

A typical game

≈ 14.8M copies

≈ $163.5M after Steam's cut

from ~302k reviews

Best case

≈ 85.1M copies

Garry's Mod · ≈ $328.7M after Steam's cut

from 1.2M reviews

A breakout hit, far above a typical game.

6 of your 8 games sit in the typical range; 2 are breakout hits far above it.

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with First-Person, priced around $7.
The breakout hits carry First-Person + Mature + Utilities; a typical game here doesn't.
The games you compared span 2006 to 2019, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
Wallpaper Engine 2018	Est. copies ≈ 30.4M–49.4M 3.3x vs typical SteamSpy 20M–50M	Est. revenue $41.7M–$112.1M net $75.8M–$172.5M gross	$4.99	1000k reviews Overwhelmingly Positive	MatureUtilities +6
Garry's Mod 2006	Est. copies ≈ 64.9M–105.4M 4.1x vs typical SteamSpy 20M–50M	Est. revenue $178.2M–$479.2M net $324.0M–$737.2M gross	$9.99	1.2M reviews Overwhelmingly Positive	SandboxModdable +6
Don't Starve Together 2016	Est. copies ≈ 21.5M–35.0M 1.8x vs typical SteamSpy 10M–20M	Est. revenue $88.7M–$238.4M net $161.2M–$366.8M gross	$14.99	538k reviews Very Positive	SurvivalOpen World Survival Craft +6
Human Fall Flat 2016	Est. copies ≈ 9.0M–14.6M SteamSpy 10M–20M	Est. revenue $49.5M–$133.2M net $90.1M–$204.9M gross	$19.99	225k reviews Very Positive	Co-opFunny +6
People Playground 2019	Est. copies ≈ 9.1M–14.7M SteamSpy 5M–10M	Est. revenue $24.9M–$66.9M net $45.2M–$102.9M gross	$9.99	314k reviews Overwhelmingly Positive	SandboxGore +6
BeamNG.drive 2015	Est. copies ≈ 18.7M–30.4M SteamSpy 5M–10M	Est. revenue $128.5M–$345.4M net $233.6M–$531.4M gross	$24.99	403k reviews Overwhelmingly Positive	SimulationDriving +6
VRChat 2017	Est. copies ≈ 9.1M–14.8M SteamSpy 20M–50M	Est. revenue Free	Free	265k reviews Mostly Positive	VRFree to Play +6
Cities: Skylines 2015	Est. copies ≈ 13.5M–21.9M SteamSpy 10M–20M	Est. revenue $111.0M–$298.5M net $201.9M–$459.3M gross	$29.99	290k reviews Very Positive	City BuilderSimulation +6