Spanish developer Tequila Works caused a stir when it showed it's PS4 exclusive title Rime at Gamescom in 2013. Looking like a watercolour painting come to life, it's uplifting visuals are a refreshing counterpoint to many of today's gritty, near photo-realistic next gen titles.
In an interview in Develop they explain how the power and flexibilty of using Epics unreal Engine 4 tech enabled them to achieve their vision.