How much revenue did Half-Life 2: Episode Two make?

Half-Life 2: Episode Two is free to play, so there is no copy-sales revenue to estimate.

How many copies did Half-Life 2: Episode Two sell?

Q: How many copies did Half-Life 2: Episode Two sell?

An estimated 2.1M to 3.5M copies, based on its 41k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 2.1M–3.5M; from 41k reviews (Overwhelmingly 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 Half-Life 2: Episode Two out and predicted the genre from its 8 similar games. Every figure here, including Half-Life 2: Episode Two's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 22.4M–33.9M

best case 36.6M (Apex Legends™)

The FPS lane

A big, proven genre: most sell around 28.8M copies.

A typical game

≈ 28.8M copies

≈ $173.6M after Steam's cut

from ~561k reviews

Best case

≈ 36.6M copies

Apex Legends™

from 1.1M reviews

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 Free to Play + Battle Royale, priced around $30.
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
Cyberpunk 2077 2020	Est. copies ≈ 25.2M–40.9M 1.7x vs typical SteamSpy 20M–50M	Est. revenue $415.4M–$1116.9M net $755.3M–$1718.3M gross	$59.99	954k reviews Very Positive	CyberpunkOpen World +6
Apex Legends™ 2020	Est. copies ≈ 27.9M–45.3M 1.9x vs typical SteamSpy 100M–200M	Est. revenue Free	Free	1.1M reviews Mixed	Free to PlayBattle Royale +6
Warframe 2013	Est. copies ≈ 34.8M–56.5M SteamSpy 20M–50M	Est. revenue Free	Free	669k reviews Very Positive	Free to PlayAction RPG +6
Destiny 2 2019	Est. copies ≈ 19.0M–30.8M SteamSpy 20M–50M	Est. revenue Free	Free	659k reviews Mostly Positive	Free to PlayOpen World +6
Portal 2 2011	Est. copies ≈ 24.1M–39.1M SteamSpy 5M–10M	Est. revenue $66.1M–$177.7M net $120.1M–$273.3M gross	$9.99	463k reviews Overwhelmingly Positive	PlatformerPuzzle +6
Fallout 4 2015	Est. copies ≈ 19.8M–32.1M SteamSpy 10M–20M	Est. revenue $108.7M–$292.2M net $197.6M–$449.5M gross	$19.99	426k reviews Very Positive	Open WorldPost-apocalyptic +6
Deep Rock Galactic 2020	Est. copies ≈ 10.0M–16.2M SteamSpy 5M–10M	Est. revenue $82.2M–$221.1M net $149.5M–$340.1M gross	$29.99	378k reviews Overwhelmingly Positive	DwarfCo-op +6
Subnautica 2018	Est. copies ≈ 11.4M–18.5M SteamSpy 5M–10M	Est. revenue $94.1M–$253.0M net $171.1M–$389.3M gross	$29.99	375k reviews Overwhelmingly Positive	Open World Survival CraftSurvival +6