Half-Life 2: Episode One
[af] Half-Life 2: Episode One
[ar] هاف-لايف 2: أيبيسود ون
[arz] هالف ليف 2: اپيسود اون
[ca] Half-Life 2: Episode One
[da] Half-Life 2: Episode One
[de] Half-Life 2: Episode One
[es] Half-Life 2: Episode One
[fa] نیمه‌عمر ۲: قسمت نخست
[fi] Half-Life 2: Episode One
[fr] Half-Life 2: Episode One