What is killzone?

Killzone is a first-person shooter video game series developed by Guerrilla Games and published by Sony Interactive Entertainment. The series is set in a science fiction universe where humanity is engaged in a war against the Helghast, a humanoid fascist faction who live on the planet Helghan. The series features intense and visceral gameplay, with a focus on tactical combat, improvisation, and teamwork.

The series began in 2004, with the release of the original Killzone game for the PlayStation 2. The game was praised for its graphics and its gritty, immersive atmosphere. Subsequent games in the series, including Killzone 2 and Killzone 3, continued to refine the series' core gameplay mechanics while adding new features like co-op play and improved multiplayer.

The most recent game in the series, Killzone Shadow Fall, was released as a launch title for the PlayStation 4 in 2013. Like previous games in the series, it was praised for its graphics and its immersive world-building, but also received criticism for its narrative and linear level design.

Overall, the Killzone series has been a popular and influential entry in the first-person shooter genre, known for its distinctive sci-fi aesthetic and its focus on intense, tactical combat.