Klonoa: Door to Phantomile 1997

And I begin to wonder...The dreams I can't remember when I wake up in the morning...Where in the world did they go?

Directed by Hideo Yoshizawa

Klonoa, a cat-like creature and his spirit friend Huepow travel through 12 levels of action to save the dream world of Phantomile from an evil spirit intent on turning it into a world of nightmares.