Audience response to releases lined up for the festival season, including Nahas Hidhayath’s I’m Game, A.D. Gireesh’s Bethlehem Kudumba Unit, and Vysakh’s Khalifa, will be a test of strength for actors Dulquer Salmaan, Nivin Pauly, and Prithviraj Sukumaran who has had a mixed run at the box-office in recent times