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Half-Life 2: Episode One Steam Details
All games
Half-Life 2: Episode One
Valve
Released
Jun 1, 2006
Platforms
Apple
Linux
Last updated
09 Sep 2026, 00:55 GMT
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United States store
Price pending
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22
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beta
Build
16557527
Beta updates
Updated
28 Nov 2024, 15:39 GMT
public
Build
17324704
Updated
11 Feb 2025, 18:43 GMT
previous
Build
16436854
The previous public build
Updated
28 Nov 2024, 15:39 GMT
steam_legacy
Build
12694560
Pre-20th Anniversary Build
Updated
15 Nov 2024, 22:02 GMT
Build history
Build history
Build
Branch
Steam updated
Depot changes
16557527
Current
beta
28 Nov 2024, 15:39 GMT
Unknown
16436854
Current
previous
28 Nov 2024, 15:39 GMT
Unknown
17324704
Current
public
11 Feb 2025, 18:43 GMT
Unknown
12694560
Current
steam_legacy
15 Nov 2024, 22:02 GMT
Unknown
Some intermediate builds may be missing.
