Assassin's Creed is a popular series from Ubisoft that puts the player in the shoes of old world assassins as they try to uncover their family's history. Assassin's Creed uses an interesting mix of free world gameplay with standard objectives. Players have an entire city to explore and lots of side missions to take. The bulk of the real game occurs through triggered missions, such as killing soldiers harassing peasants or clearing out rooftops. There are also several main missions were the player carries out assassinations on important figures in the cities. The games were also renown for the climbing technique, with many players citing random climbing and exploration as their most enjoyable experience. Note that Assassin's Creed takes place during the Crusades while Assassin's Creed 2, the sequel, takes place during the Renaissance.