История серии видеоигры: Half Life.
24. 04. 1996. 08. 11. 1998.
Half Life Day One. 01. 1998. Windows.
Half Life. 08. 11. 1998. Windows, Play. Station 2, Linux, Mac OS X.
Half Life Uplink. 12. 02. 1999. Windows.
Half Life Opposing Force. 31. 10. 1999. Windows, Linux, Mac OS X.
Half Life Blue Shift. 12. 06. 2001. Windows, Linux, Mac OS X, Dreamcast.
Half Life Blue Shift High Definition Pack. 12. 06. 2001. Windows, Linux, Mac OS X, Dreamcast.
Half Life Decay. 14. 11. 2001. Play. Station 2.
Codename: Gordon. 17. 05. 2004. Windows.
Half Life Source. 01. 06. 2004. Windows.
Half Life Source High-Definition Source. 01. 06. 2004. Windows.
Half Life 2 Deathmatch. 02. 11. 2004. Windows.
Half Life 2. 16. 11. 2004. Windows, Linux, Mac OS X, Xbox 360, Play. Station 3, SHIELD Portable.
Half Life 2 Lost Coast. 27. 10. 2005. Windows, Mac OS, Linux.
Half Life Deathmatch Source. 01. 05. 2006. Windows, Apple.
Half Life 2 Episode One. 01. 06. 2006. Windows, Mac OS X, Linux, Xbox 360, Play. Station 3, Android.
Half Life 2 Survivor. 28. 06. 2006. Taito Type X+.
Half Life 2 Episode Two. 10. 2007. Windows, Mac OS X, Play. Station 3, Xbox 360, Linux.
Half Life Before. 05. 03. 2009. Windows.
Black Mesa. 14. 09. 2012. Windows.
Black Mesa Uplink. 17. 12. 2012. Windows.
Prospekt. 18. 02. 2016. Windows.
15. 06. 2016.