How many copies did Old School RuneScape sell?

514k to 836k copies, based on its 21k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Old School RuneScape make?

Old School RuneScape is free to play, so there is no copy-sales revenue to estimate.

How big is Old School RuneScape?

Estimated owners: ≈ 514k–836k; from 21k 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 Old School RuneScape out and predicted the genre from its 8 similar games. Every figure here, including Old School RuneScape's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 272k–672k

best case 9.7M (New World: Aeternum)

Games like Old School RuneScape

The middle of these games

≈ 272k–672k copies

from ~10k 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.

Your picks lean toward this genre's biggest survivors; the typical figure reads from its ordinary successes.

Best case: New World: Aeternum at ≈ 7.4M–12.0M copies. A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on MMORPG (8 of 8) and Open World (5 of 8).
The winners: Winners here lead with MMORPG, priced around $15.
The era: The games you compared span 2011 to 2022, and none of them 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
New World: Aeternum 2021	Est. copies ≈ 7.4M–12.0M 31x vs typical SteamSpy 50M–100M	Est. revenue Free	Free	297k reviews Mixed	Open WorldMassively Multiplayer
NosTale - Anime MMORPG 2017	Est. copies ≈ 125k–203k SteamSpy 500k–1M	Est. revenue Free	Free	4k reviews Mostly Positive	Free to PlayMMORPG
Trove 2015	Est. copies ≈ 4.5M–7.4M 9.8x vs typical SteamSpy 10M–20M	Est. revenue Free	Free	93k reviews Mostly Positive	Free to PlayOpen World
RIFT 2011	Est. copies ≈ 735k–1.2M SteamSpy 2M–5M	Est. revenue Free	Free	12k reviews Mostly Positive	Free to PlayMMORPG
Wizard101 2018	Est. copies ≈ 289k–470k SteamSpy 500k–1M	Est. revenue Free	Free	10k reviews Very Positive	ColorfulMMORPG
Lost Ark 2022	Est. copies ≈ 5.0M–8.2M 21x vs typical SteamSpy 50M–100M	Est. revenue Free	Free	203k reviews Mostly Positive	MMORPGFree to Play
The Elder Scrolls® Online 2017	Est. copies ≈ 5.6M–9.0M 17x vs typical SteamSpy 5M–10M	Est. revenue $30.5M–$82.1M after Steam's cut $55.5M–$126.2M before the cut	$19.99	161k reviews Very Positive	RPGMMORPG
Black Desert 2017	Est. copies ≈ 3.2M–5.3M 9.9x vs typical SteamSpy 5M–10M	Est. revenue $8.9M–$23.9M after Steam's cut $16.2M–$36.8M before the cut	$9.99	94k reviews Mostly Positive	MMORPGMassively Multiplayer