Move Lara through each level by swiping in the direction you want her to travel. You do not have to be concerned about changes in elevation, as she can climb walls or hang from ledges. Lara can reach any diamond that is marked with a line connecting it to your current location. Some spaces will have cracks before being stepped on them. Lara's first step on such a location will cause the space to partially collapse. Returning a second time to that location will be deadly. The same type of crack will appear on walls. Landing on a cracked wall space twice will not cause immediate death, but will cause Lara to fall down. She will survive if there is a useable space below her.