Over the weekend, I listened to a Radiolab episode “The Secret to a Long Life,” which discusses the science of memory creation and inspired me to do some research into why certain levels are so memorable. This research identified a few key principles: Novelty : Levels with unique premises and mechanics that players have never seen before, for example the time travel mechanics in Dishonored 2’s Clockwork Mansion and Titanfall 2’s Effect and Cause. Breaking Expectations : Lev