Our latest list looks at gaming’s greatest mirror worlds! From parallel dimensions and corrupted reflections to psychological nightmares and temporal shifts, these altered versions of familiar locations deliver clever environmental puzzles, creative platforming, and mind-blowing plot twists. Some twist reality into toxic wastelands, while others invite whimsical seasonal changes or dual-world combat. In either regard, they prove how much mileage you can get out of a single setting. Step through the looking glass, and click on the image to see the countdown!