How many copies did Lost Ark sell?

4.9M to 7.9M copies, based on its 203k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Lost Ark make?

Lost Ark is free to play, so there is no copy-sales revenue to estimate.

How big is Lost Ark?

Estimated owners: ≈ 4.9M–7.9M; from 203k reviews (Mostly 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 Lost Ark out and predicted the genre from its 8 similar games. Every figure here, including Lost Ark's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.9M–3.1M

best case 16.9M (Path of Exile)

The MMORPG genre

All 8 of your similar games are hits. A big, proven 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

≈ 1.9M–3.1M copies

≈ $44.9M after Steam's cut

from ~44k reviews

Best case

≈ 12.9M–20.9M copies

Path of Exile

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on MMORPG (6 of 8) and Action RPG (3 of 8).
The winners: Winners here lead with Dark Fantasy + Action RPG, priced around $30. The breakout hits carry Dark Fantasy + Hack and Slash + Action RPG; a typical game here doesn't.
The era: The games you compared span 2011 to 2024, a genre with a long track record.

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

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Path of Exile 2013	Est. copies ≈ 12.9M–20.9M 5.7x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	248k reviews Very Positive	Free to PlayDark Fantasy
Realm of the Mad God Exalt 2012	Est. copies ≈ 2.5M–4.0M SteamSpy 500k–1M	Est. revenue Free	Free	48k reviews Very Positive	Pixel GraphicsMMORPG
FINAL FANTASY XIV Online 2014	Est. copies ≈ 4.4M–7.2M 2.0x vs typical SteamSpy 2M–5M	Est. revenue $24.3M–$65.4M after Steam's cut $44.2M–$100.6M before the cut	$19.99	85k reviews Very Positive	MMORPGRPG
Path of Exile 2 2024	Est. copies ≈ 5.3M–8.7M 5.1x vs typical SteamSpy 20M–50M	Est. revenue $44.1M–$118.6M after Steam's cut $80.2M–$182.5M before the cut	$29.99	223k reviews Mostly Positive	Action RPGHack and Slash
Neverwinter 2013	Est. copies ≈ 2.1M–3.3M SteamSpy 5M–10M	Est. revenue Free	Free	40k reviews Mostly Positive	Free to PlayMMORPG
Dungeon Defenders II 2017	Est. copies ≈ 761k–1.2M SteamSpy 2M–5M	Est. revenue Free	Free	22k reviews Mostly Positive	MultiplayerOnline Co-Op
STAR WARS™: The Old Republic™ 2020	Est. copies ≈ 2.0M–3.2M 1.7x vs typical SteamSpy 5M–10M	Est. revenue Free	Free	75k reviews Very Positive	Free to PlayMultiplayer
Spiral Knights 2011	Est. copies ≈ 1.3M–2.0M SteamSpy 2M–5M	Est. revenue Free	Free	24k reviews Very Positive	Free to PlayMassively Multiplayer