Editing Tom Clancy's Splinter Cell (section)

===''Tom Clancy's Splinter Cell: Chaos Theory'' (2005)===
{{Main|Tom Clancy's Splinter Cell: Chaos Theory}}
Ubisoft Montreal and Ubisoft Milan were again responsible for the third game in the series, ''Chaos Theory''. It adds a cooperative multiplayer mode.<ref>{{cite web|last=Surette |first=Tim |url=http://www.gamespot.com/news/6120913.html |title=Splinter Cell Chaos Theory golden&nbsp;– News at GameSpot |publisher=Gamespot.com |date=March 22, 2005 |access-date=August 26, 2011}}</ref> Originally announced to be released in Fall 2004, its initial releases were made at the end of March 2005. The Unreal Engine was heavily modified, this time from version 2.5. The game includes a number of new features, including adding a combat knife to the player's inventory. Maps are also more open with multiple ways of achieving the end goal.