How many copies did Island Saver sell?

An estimated 101k to 164k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Island Saver make?

Island Saver is free to play, so there is no copy-sales revenue to estimate.

How big is Island Saver?

Estimated owners: ≈ 101k–164k; from 4k reviews (Overwhelmingly 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 Island Saver out and predicted the genre from its 8 similar games. Every figure here, including Island Saver's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 20.2M–37.4M

best case 123.2M (PUBG: BATTLEGROUNDS)

The Multiplayer lane

A big, proven genre, though hit-driven: most sell around 25.5M copies, while a few break out far above.

A typical game

≈ 25.5M copies

≈ $84.2M after Steam's cut

from ~618k reviews

Best case

≈ 123.2M copies

PUBG: BATTLEGROUNDS

from 2.7M reviews

A breakout hit, far above a typical game.

7 of your 8 games sit in the typical range; 1 is a breakout hit 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 Survival + Shooter, priced around $14.
The breakout hits carry Shooter + Battle Royale + PvP; a typical game here doesn't.
The games you compared span 2014 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
Unturned 2017	Est. copies ≈ 19.4M–31.5M SteamSpy 50M–100M	Est. revenue Free	Free	564k reviews Very Positive	Free to PlaySurvival +6
Geometry Dash 2014	Est. copies ≈ 32.1M–52.2M SteamSpy 5M–10M	Est. revenue $44.1M–$118.5M net $80.2M–$182.4M gross	$4.99	618k reviews Very Positive	DifficultMusic +6
ARK: Survival Evolved 2017	Est. copies ≈ 26.5M–43.1M SteamSpy 20M–50M	Est. revenue $109.4M–$294.3M net $199.0M–$452.7M gross	$14.99	772k reviews Very Positive	Open World Survival CraftSurvival +6
Bloons TD 6 2018	Est. copies ≈ 11.9M–19.3M SteamSpy 2M–5M	Est. revenue $45.6M–$122.7M net $83.0M–$188.8M gross	$13.99	390k reviews Overwhelmingly Positive	Tower DefenseStrategy +6
PUBG: BATTLEGROUNDS 2017	Est. copies ≈ 93.9M–152.6M 4.4x vs typical SteamSpy 100M–200M	Est. revenue Free	Free	2.7M reviews Mixed	SurvivalShooter +6
Raft 2022	Est. copies ≈ 9.0M–14.6M SteamSpy 10M–20M	Est. revenue $49.5M–$133.0M net $89.9M–$204.6M gross	$19.99	375k reviews Very Positive	SurvivalMultiplayer +6
Destiny 2 2019	Est. copies ≈ 19.0M–30.8M SteamSpy 20M–50M	Est. revenue Free	Free	659k reviews Mostly Positive	Free to PlayOpen World +6
Wallpaper Engine 2018	Est. copies ≈ 30.4M–49.4M 1.6x vs typical SteamSpy 20M–50M	Est. revenue $41.7M–$112.2M net $75.9M–$172.6M gross	$4.99	1.0M reviews Overwhelmingly Positive	MatureUtilities +6