How many copies did Fallout Shelter sell?

An estimated 2.8M to 4.6M copies, based on its 82k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Fallout Shelter make?

Fallout Shelter is free to play, so there is no copy-sales revenue to estimate.

How big is Fallout Shelter?

Estimated owners: ≈ 2.8M–4.6M; from 82k 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 Fallout Shelter out and predicted the genre from its 8 similar games. Every figure here, including Fallout Shelter's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 6.0M–12.6M

best case 34.8M (ARK: Survival Evolved)

The Survival lane

A big, proven genre: most sell around 9.0M copies.

A typical game

≈ 9.0M copies

≈ $109.8M after Steam's cut

from ~241k reviews

Best case

≈ 34.8M copies

ARK: Survival Evolved · ≈ $201.8M after Steam's cut

from 772k reviews

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 Open World Survival Craft + Survival, priced around $15.
The games you compared span 2016 to 2022, 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
ARK: Survival Evolved 2017	Est. copies ≈ 26.5M–43.1M 3.2x vs typical SteamSpy 20M–50M	Est. revenue $109.4M–$294.2M net $198.9M–$452.6M gross	$14.99	772k reviews Very Positive	Open World Survival CraftSurvival +6
Squad 2020	Est. copies ≈ 6.3M–10.3M SteamSpy 2M–5M	Est. revenue $69.6M–$187.1M net $126.5M–$287.8M gross	$39.99	240k reviews Very Positive	MilitaryRealistic +6
RimWorld 2018	Est. copies ≈ 7.4M–12.0M SteamSpy 5M–10M	Est. revenue $70.9M–$190.6M net $128.9M–$293.2M gross	$34.99	242k reviews Overwhelmingly Positive	Colony SimBase-Building +6
Scrap Mechanic 2016	Est. copies ≈ 4.7M–7.7M SteamSpy 2M–5M	Est. revenue $25.9M–$69.7M net $47.1M–$107.3M gross	$19.99	118k reviews Very Positive	BuildingSandbox +6
Grounded 2022	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $25.0M–$67.2M net $45.5M–$103.5M gross	$39.99	95k reviews Very Positive	SurvivalMultiplayer +6
Raft 2022	Est. copies ≈ 9.0M–14.6M 1.6x vs typical SteamSpy 10M–20M	Est. revenue $49.4M–$132.9M net $89.9M–$204.5M gross	$19.99	375k reviews Very Positive	SurvivalMultiplayer +6
ASTRONEER 2019	Est. copies ≈ 4.0M–6.5M SteamSpy 2M–5M	Est. revenue $32.9M–$88.5M net $59.8M–$136.1M gross	$29.99	139k reviews Very Positive	MultiplayerOpen World +6
Subnautica 2018	Est. copies ≈ 11.4M–18.5M 1.6x vs typical SteamSpy 5M–10M	Est. revenue $94.1M–$253.0M net $171.1M–$389.3M gross	$29.99	375k reviews Overwhelmingly Positive	Open World Survival CraftSurvival +6