How much revenue did Sonic the Hedgehog 4 - Episode I make?

An estimated 545k to 1.5M net after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Sonic the Hedgehog 4 - Episode I sell?

Q: How many copies did Sonic the Hedgehog 4 - Episode I sell?

An estimated 198k to 322k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 198k–322k; $545k–$1.5M net $990k–$2.3M gross; from 4k reviews (Mostly Negative)

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 the Hedgehog 4 - Episode I out and predicted the genre from its 8 similar games. Every figure here, including Sonic the Hedgehog 4 - Episode I's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 6.1M–7.9M

best case 104.7M (Terraria)

The 2D lane

A big, proven genre, though hit-driven: most sell around 6.9M copies, while a few break out far above.

A typical game

≈ 6.9M copies

≈ $64.1M after Steam's cut

from ~163k reviews

Best case

≈ 104.7M copies

Terraria · ≈ $404.3M after Steam's cut

from 1.5M reviews

A breakout hit, far above a typical game.

4 of your 8 games sit in the typical range; 4 are breakout hits 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 Difficult + Music, priced around $10.
The games you compared span 2011 to 2020, 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
Cuphead 2017	Est. copies ≈ 7.4M–12.0M SteamSpy 5M–10M	Est. revenue $40.7M–$109.5M net $74.1M–$168.5M gross	$19.99	215k reviews Overwhelmingly Positive	DifficultCartoon +6
Starbound 2016	Est. copies ≈ 4.9M–8.0M SteamSpy 2M–5M	Est. revenue $20.3M–$54.6M net $36.9M–$83.9M gross	$14.99	123k reviews Very Positive	Open World Survival CraftSandbox +6
Geometry Dash 2014	Est. copies ≈ 32.1M–52.1M 3.8x vs typical SteamSpy 5M–10M	Est. revenue $44.0M–$118.3M net $80.0M–$182.0M gross	$4.99	617k reviews Very Positive	DifficultMusic +6
Brawlhalla 2017	Est. copies ≈ 14.1M–22.8M 2.5x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	409k reviews Very Positive	Free to PlayMultiplayer +6
Ori and the Will of the Wisps 2020	Est. copies ≈ 3.8M–6.2M SteamSpy 2M–5M	Est. revenue $31.6M–$85.0M net $57.5M–$130.7M gross	$29.99	145k reviews Overwhelmingly Positive	BeautifulMetroidvania +6
Terraria 2011	Est. copies ≈ 79.8M–129.7M 9.4x vs typical SteamSpy 20M–50M	Est. revenue $219.2M–$589.5M net $398.6M–$906.9M gross	$9.99	1.5M reviews Overwhelmingly Positive	Open World Survival CraftSandbox +6
Dead Cells 2018	Est. copies ≈ 5.5M–9.0M SteamSpy 5M–10M	Est. revenue $37.9M–$102.0M net $68.9M–$156.9M gross	$24.99	182k reviews Overwhelmingly Positive	AdventureAction Roguelike +6
Hollow Knight 2017	Est. copies ≈ 18.9M–30.7M 3.4x vs typical SteamSpy 5M–10M	Est. revenue $78.0M–$209.6M net $141.7M–$322.4M gross	$14.99	550k reviews Overwhelmingly Positive	MetroidvaniaSouls-like +6