Half-Life (stylized HλLF-LIFE) is a series developed by Valve Corporation set in a shared universe with the Portal series.

The series is known for it's developments in gameplay and storytelling. Most notably, the series foregoes the use of traditional cutscenes, instead allowing story events to take place in-game and in real time, during gameplay.

The Half-Life series includes the following games:

See also: List of maps in the Half-Life series & List of weapons in the Half-Life series

Half-Life series
Games Half-Life - Half-Life: Opposing Force - Half-Life: Blue Shift - Half-Life 2 - Half-Life 2: Deathmatch - Half-Life 2: Lost Coast - Half-Life 2: Episode 1 - Half-Life 2: Survivor - Half-Life 2: Episode 2
Developers Valve Corporation - Gearbox Software
Engine GoldSrc - Source
Characters [Characters]
Weapons [Weapons]
Levels [Levels]