How many copies did Lost Ark sell?

5.0M to 8.2M 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: ≈ 5.0M–8.2M; 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) 2.1M–3.8M

best case 20.7M (Path of Exile)

Games like Lost Ark

The middle of these games

≈ 2.1M–3.8M copies

≈ $48.5M after Steam's cut

from ~44k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

All 8 of your similar games are hits.

Best case: Path of Exile at ≈ 15.8M–25.6M copies. 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, and 1 of your 8 shipped in the last two years.

How these numbers were worked out

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

Copies come from each game's reviews times a sales-per-review rate that falls with release age, from about 31 for the most recent game here to about 79 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Path of Exile 2013	Est. copies ≈ 15.8M–25.6M 5.7x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	250k reviews Very Positive	Free to PlayDark Fantasy
Realm of the Mad God Exalt 2012	Est. copies ≈ 3.0M–4.9M SteamSpy 500k–1M	Est. revenue Free	Free	48k reviews Very Positive	Pixel GraphicsMMORPG
FINAL FANTASY XIV Online 2014	Est. copies ≈ 4.8M–7.8M 2.0x vs typical SteamSpy 2M–5M	Est. revenue $26.3M–$70.8M after Steam's cut $47.9M–$108.9M before the cut	$19.99	85k reviews Very Positive	MMORPGRPG
Path of Exile 2 2024	Est. copies ≈ 5.6M–9.1M 5.1x vs typical SteamSpy 20M–50M	Est. revenue $45.9M–$123.5M after Steam's cut $83.5M–$190.0M before the cut	$29.99	225k reviews Mostly Positive	Action RPGHack and Slash
Neverwinter 2013	Est. copies ≈ 2.5M–4.1M SteamSpy 5M–10M	Est. revenue Free	Free	40k reviews Mostly Positive	Free to PlayMMORPG
Dungeon Defenders II 2017	Est. copies ≈ 762k–1.2M SteamSpy 2M–5M	Est. revenue Free	Free	22k reviews Mostly Positive	MultiplayerOnline Co-Op
STAR WARS™: The Old Republic™ 2020	Est. copies ≈ 1.9M–3.0M 1.7x vs typical SteamSpy 5M–10M	Est. revenue Free	Free	75k reviews Very Positive	Free to PlayMultiplayer
Spiral Knights 2011	Est. copies ≈ 1.5M–2.5M SteamSpy 2M–5M	Est. revenue Free	Free	24k reviews Very Positive	Free to PlayMassively Multiplayer