Here's a Gamescom trailer from Seasons After the Fall, a puzzle/platformer coming to PCs next month. Word is: "Enter a world ruled by nature and magic as a wild fox with a fantastic ability: a supernatural control over the seasons to shape the environment and progress in this mystical adventure." Here's more on the clip:

The Gamescom Trailer tells you more about the story and the enigmatic spirit that will guide your way along your adventure. This spirit is in search of the fragments of the Seasons and needs an envoy to meet the Guardians of the Seasons, large ancestral creatures who embody the essence of the Season they are protecting. You need to gather these fragments to complete the Ritual of the Seasons, allowing this mysterious spirit to realize her dreams... and yours as well.