EGG: Elemental Gimmick Gear

EGG: Elemental Gimmick Gear is a 1999 Dreamcast action-RPG developed by Birthday and Hudson Soft, featuring a, "Zelda-esque" top-down exploration style mixed with 3D boss battles. Players pilot an egg-shaped mech ("EGG") in a post-apocalyptic world, solving dungeon puzzles and fighting to uncover lost memories.