the rest of its pack. They seem more intent on fleeing something behind them than on attacking her. The reason for their panic soon becomes clear: A titanic Tyrannosaurus rex thunders into view. It grabs one raptor in its massive jaws and flings it against the ruins before continuing the chase. ( NOTE: The PC demo ends here. ) As the action unfolds, you must use the controls that correspond to the icons that appear on screen. When you press the correct key or button -- or, in the case of the Wii, perform the correct motions with the controllers -- a chime sounds and Lara manages to evade the danger heading her way. If you press the wrong one, or press the correct one too soon or too late, Lara dies. Then the game reloads at the last checkpoint and you must try again. The correct controls are as follows: NOTE: Many players have difficulty with this section. Also, there is a potential bug in which the icons showing which controls to use do not appear in the interactive cut scenes. For more info, please see the footnote below. This entire section, from the start of the first interactive cut scene, through the T. rex fight and second cut scene, is shown in a video tutorial , as well as in the screenshots linked in the text below. FIGHTING THE TYRANNOSAURUS REX: You didn't think it would be that easy, did you? When the game resumes, Lara is standing