In 'Mercurial Dreams,' you're a cat plush toy whose mind mysteriously entwines with that of your young owner, a kid, shielding him from bad dreams. The game is set in 'Mercurial Village', a weird place with a river made of mercury and strange buildings. Your job is to keep the kid safe from scary dreams by playing mini-games and completing tasks inside strange buildings. 'Mercurial Dreams' is all about adventure, mystery, and being a hero in a dream world.