Left 4 Dead is a 2008 first-person shooter game developed by Valve South and published by Valve. It was originally released for Microsoft Windows and Xbox 360 in November 2008 and for Mac OS X in October 2010, and is the first title in the Left 4 Dead series. Set during the aftermath of a zombie outbreak on the East Coast of the United States, the game pits its four protagonists, dubbed the "Survivors", against hordes of the infected.
Assassin's Creed II is a 2009 action-adventure video game developed by Ubisoft Montréal and published by Ubisoft. It is the second major installment in the Assassin's Creed series, and the sequel to 2007's Assassin's Creed. The game was first released on the PlayStation 3 and Xbox 360 in November 2009, and was later made available on Microsoft Windows in March 2010 and OS X in October 2010. Remastered versions of the game and its two sequels, Assassin's Creed: Brotherhood and Assassin's Creed: Revelations, were released as part of The Ezio Collection compilation for the PlayStation 4 and Xbox One on November 15, 2016, and for the Nintendo Switch on February 17, 2022.