Xenogears is a role-playing video game, it is the debut entry in the larger Xeno franchise. The gameplay of Xenogears revolves around navigating 3D environments both on-foot and using humanoid mecha dubbed "Gears". Combat is governed by a version of the turn-based "Active Time Battle" system. The story follows protagonist Fei Fong Wong and several others as they journey across the world to overthrow the all-powerful rule of Solaris and uncover mysteries concerning their world. The story incorporates Jungian psychology, Freudian thought, and religious symbolism.