
Half-Life 2 has sold over 4 million copies worldwide, and earned over 35 Game of the Year Awards. Episode One is the first in a series of games that reveal the aftermath of Half-Life 2 and launch a journey beyond City 17. Also features two multiplayer games. Half-Life 2 not required.
Modeled estimate, not a reported figure. How we estimate →
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Engagement
Reviews
Themes across 43 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Muito bom
hell yeah
good
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Trends
Modeled estimate over time.
Languages: English*, French*, German*, Italian*, Korean*, Spanish - Spain*, Russian*, Simplified Chinese*, Traditional Chinese*, Dutch, Danish, Finnish +6 more
Hours played at review time, across 43 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
Momentum
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
Audience
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.