Valve Corporation · Valve^*

Half-Life 2: Episode One

2006 post-apocalyptic video game · first-person shooter · science fiction video game +1^*

Where and when.

2006-06-01
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Platform
Microsoft Windows
2007-10-10
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North America
2007-10-19
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Europe
2007-10-25
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Australasia
2007-12-11
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Platform
PlayStation 3
Market
North America
2007-12-14
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Platform
PlayStation 3
Market
Europe
2007-12-20
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Platform
PlayStation 3
Market
Australasia
2008-05-22
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Japan
2010-05-26
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macOS
2013-06-26
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Platform
Linux
2006-06-01 · Microsoft Windows^*
Release date
2006-06-01^*
Date precision
Exact date^*
Platform
Microsoft Windows^*

* Provisional data