How much revenue did Sonic Adventure 2 make?

$4.9M–$13.3M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Sonic Adventure 2 sell?

Q: How many copies did Sonic Adventure 2 sell?

1.8M to 2.9M copies, based on its 28k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1.8M–2.9M; $4.9M–$13.3M after Steam's cut $9.0M–$20.5M before the cut; from 28k 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 Sonic Adventure 2 out and predicted the genre from its 8 similar games. Every figure here, including Sonic Adventure 2's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 2.1M–7.8M

best case 15.3M (Fall Guys)

Games like Sonic Adventure 2

The middle of these games

≈ 2.1M–7.8M copies

≈ $17.0M–$37.5M after Steam's cut

from ~46k 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: Fall Guys at ≈ 11.6M–18.9M copies.

The genre you'd be entering

Your set: Your set clusters on 3D Platformer (5 of 8) and Platformer (4 of 8).
The winners: Winners here lead with Party Game + Battle Royale.
The era: The games you compared span 2007 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
A Hat in Time 2017	Est. copies ≈ 1.8M–3.0M SteamSpy 500k–1M	Est. revenue $15.1M–$40.7M after Steam's cut $27.5M–$62.7M before the cut	$29.99	53k reviews Overwhelmingly Positive	Cute3D Platformer
Mirror's Edge™ 2009	Est. copies ≈ 2.5M–4.0M SteamSpy 2M–5M	Est. revenue $13.7M–$36.7M after Steam's cut $24.8M–$56.5M before the cut	$19.99	39k reviews Very Positive	Action-AdventureParkour
Portal 2007	Est. copies ≈ 12.5M–20.4M 4.3x vs typical SteamSpy 10M–20M	Est. revenue $34.5M–$92.6M after Steam's cut $62.6M–$142.5M before the cut	$9.99	198k reviews Overwhelmingly Positive	PuzzlePuzzle-Platformer
Sonic Generations Collection 2011	Est. copies ≈ 1.6M–2.6M SteamSpy 500k–1M	Est. revenue Free	Free	25k reviews Very Positive	PlatformerGreat Soundtrack
Fall Guys 2020	Est. copies ≈ 11.6M–18.9M 10x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	469k reviews Very Positive	MultiplayerParty Game
Little Nightmares 2017	Est. copies ≈ 4.0M–6.5M 2.5x vs typical SteamSpy 5M–10M	Est. revenue $22.0M–$59.2M after Steam's cut $40.1M–$91.1M before the cut	$19.99	117k reviews Very Positive	HorrorAtmospheric
A Story About My Uncle 2014	Est. copies ≈ 1.6M–2.7M SteamSpy 5M–10M	Est. revenue $6.8M–$18.1M after Steam's cut $12.3M–$27.9M before the cut	$14.99	29k reviews Very Positive	AdventureFirst-Person
Sonic Frontiers 2022	Est. copies ≈ 704k–1.1M SteamSpy 500k–1M	Est. revenue $7.7M–$20.8M after Steam's cut $14.1M–$32.0M before the cut	$39.99	28k reviews Very Positive	Great SoundtrackOpen World