What game introduced the gravity-defying parkour mechanic called "parkour flow"?

Mirror's Edge

In what horror film franchise is the villain Jigsaw featured? What is the name of the creature inside the trash compactor on the Death Star? Pho is an iconic noodle soup originating from which Asian country? What English city is featured in both "Love Actually" and "Last Christmas"? Who was the first European-born player to be named NBA Finals MVP?