Krypt Puzzle by Ravensburger. Every puzzle fan should take a stand and face unprecedented challenges. With Krypt Universe Glow, you can explore new paths and take a step towards becoming a puzzle pro. Puzzling by image doesn't apply here, as it's all about tackling the magnificent variety of shapes of the entirely monochromatic puzzle pieces that are unique to Ravensburger. With a pinch of patience, you'll quickly find yourself in a puzzle flow from which you won't want to emerge.