HL2

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"HL2" and "hl2" may refer to:

• Half-Life 2, the Source game, gamedir name is "hl2". Sequel to Half-Life, later receiving a prequel in the form of Half-Life: Alyx.
  • Half-Life 2: Episode One, Half-Life 2: Episode Two - For the Half-Life 2 Episodes, see those pages.
• .HL2, the save game file format.