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- Release date: 6/1/2006
- Developer: Valve
- Publisher: Valve
- Genre: Action
- Languages: English, French, German, Italian, Korean, Spanish, Russian, Simplified Chinese, Traditional Chinese, Dutch, Danish, Finnish, Japanese, Norwegian, Polish, Portuguese, Swedish, Thai
- Features: Single-player, Steam Achievements, Captions available, Partial Controller Support, Steam Cloud, Stats, Includes Source SDK, Commentary available
- Requirements: View details
Half-Life 2: Episode One
Half-Life 2: Episode One description194
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.