Mac 
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.
Genre: Action
Release Date: Jun 1, 2006
Packages that include this game
Buy The Orange Box
Includes 5 items: Half-Life 2, Half-Life 2: Episode One, Portal, Half-Life 2: Episode Two, Team Fortress 2
$19.99
Buy Half-Life Complete
Includes 9 items: Team Fortress Classic, Half-Life: Opposing Force, Half-Life, Half-Life: Blue Shift, Half-Life 2, Half-Life: Source, Half-Life 2: Deathmatch, Half-Life 2: Episode One, Half-Life 2: Episode Two
$39.99
Buy Valve Complete Pack
Includes 24 items: Counter-Strike, Team Fortress Classic, Day of Defeat, Deathmatch Classic, Half-Life: Opposing Force, Ricochet, Half-Life, Counter-Strike: Condition Zero, Counter-Strike: Condition Zero Deleted Scenes, Half-Life: Blue Shift, Half-Life 2, Counter-Strike: Source, Half-Life: Source, Day of Defeat: Source, Half-Life 2: Deathmatch, Half-Life 2: Lost Coast, Half-Life Deathmatch: Source, Half-Life 2: Episode One, Portal, Half-Life 2: Episode Two, Team Fortress 2, Left 4 Dead, Left 4 Dead 2, Portal 2
$99.99
About the Game
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.
PC System Requirements
Minimum: 1.7 GHz Processor, 512MB RAM, DirectX® 8.1 level Graphics Card (Requires support for SSE), Windows® 7 (32/64-bit)/Vista/XP, Mouse, Keyboard, Internet Connection
Recommended: Pentium 4 processor (3.0GHz, or better), 1GB RAM, DirectX® 9 level Graphics Card, Windows® 7 (32/64-bit)/Vista/XP, Mouse, Keyboard, Internet Connection
Mac System Requirements
Minimum: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, 1GB RAM, NVIDIA GeForce 8 or higher, ATI X1600 or higher, or Intel HD 3000 or higher Mouse, Keyboard, Internet Connection
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Game Details
87
Title: Half-Life 2: Episode One
Genre: Action
Developer: Valve
Publisher: Valve
Release Date: Jun 1, 2006
Languages: English*, French*, German*, Italian*, Korean*, Spanish*, Russian*, Simplified Chinese*, Traditional Chinese*, Dutch, Danish, Finnish, Japanese, Norwegian, Polish, Portuguese, Swedish, Thai*
*languages with full audio support
Genre: Action
Developer: Valve
Publisher: Valve
Release Date: Jun 1, 2006
Languages: English*, French*, German*, Italian*, Korean*, Spanish*, Russian*, Simplified Chinese*, Traditional Chinese*, Dutch, Danish, Finnish, Japanese, Norwegian, Polish, Portuguese, Swedish, Thai*
*languages with full audio support
Single-player
Steam Achievements
Steam Cloud
Commentary available
Captions available
Stats
HDR available
Controller enabled
Includes Source SDK
Awards
Steam News 