Half-Life (sep 13, 1998 – sep 13, 2006)
Description:
Half-Life (1998)Half-Life: Opposing Force (1999)
Half-Life: Blue Shift (2001)
Half-Life 2 (2004)
Half-Life 2: Episode One (2006)
Added to timeline:
Date:
sep 13, 1998
sep 13, 2006
~ 8 years