Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This section does not cite any references or sources. The complexity of the creatures progresses as the gamer advances through the game. The game's setting and use of characters was influential within the gaming industry, with The New York Times writing that with the innovative storyline 'Half-Life became the Citizen Kane of the genre.' In Maximum PC's review of the original game the monster design was given a rating of 'excellent'.
The series was initially released for the PC, but console ports of most installments have also been released. Electronic Arts also took over distribution of the games in the series from Sierra from 2005 onwards. Most games and expansions in the series were developed by Valve Corporation and published by Sierra Studios, although some expansions were produced by Gearbox Software. Half-Life is a science fiction first-person shooter computer game series which consists of two full games, two episodic games, and three third-party made expansions, as well as a number of demos featuring exclusive content. The following is a list of creatures in the Half-Life series. It has been suggested that this article or section be merged into ].
