Call of Duty: Modern Warfare Remastered is a first-person shooter video game developed by Raven Software and published by Activision. A remastered version of Call of Duty 4: Modern Warfare, it was released worldwide on November 4, 2016 for the PlayStation 4, Xbox One and Microsoft Windows. It is available by purchasing either the Legacy, Digital Deluxe or Legacy Pro editions of Call of Duty: Infinite Warfare, with physical versions requiring the Infinite Warfare disc inserted to access the remaster. A standalone edition of the game was released on June 27, 2017 for the PlayStation 4, and July 27, 2017 for Xbox One and Microsoft Windows. Modern Warfare Remastered builds upon the original by featuring extensive graphical and rendering enhancements, lighting upgrades, updated animations, remastering original sound effects as well as adding new, and offers numerous small improvements while retaining the original core gameplay. Extras such as new multiplayer content and additional achievements and cheats are also included. The game received positive reviews from critics, who lauded the improved graphics, sound, and range of amendments from the original game, to the point that some found it more akin to a remake. Criticism focused on its dated narrative and artificial intelligence, with split opinions given to aspects that were seen as both dated and refreshingly simplistic. Activision also generated controversy for not initially releasing Remastered as a standalone game, among other criticized business decisions centered around additional content.