Chronoclastics: the art of deliberately causing temporal disruptions, just for the sake of it. Because who needs linear time, anyway?
Warning: Chronoclastics may cause spontaneous combustion, reality distortions, and a strong urge to question the fabric of space-time. Proceed with caution.
Or, if you're feeling particularly adventurous:
Expert Mode, where the laws of physics are merely suggestions, and the rules of reality are merely... not really rules.