© 2005 Ubisoft Entertainment. All Rights Reserved. Splinter Cell, Splinter Cell Chaos Theory, Sam Fisher, Ubisoft, and the Ubisoft logo are trademarks of Ubisoft Entertainment in the U.S. and/or other countries. If you need to speak about the game, you have to write the full title this way:Tom Clancy's Splinter Cell Chaos Theory. If you need to speak only about the Splinter Cell licence, you have to name it this way:Tom Clancy's Splinter Cell®