For One: Kniffel

From BoardGameGeek:

Yahtzee – aka Kniffel – has been around for more than half a century. In this special edition FOR ONE – KNIFFEL®, it's entirely up to you to fulfill the tricky tasks. In each game, even though you have more than the usual five dice available, you still have to spread them strategically across the scorecard at the right time, otherwise the end is near and your high score will melt away! FOR ONE – KNIFFEL® contains 25 different levels with the right challenges for everyone! Face the challenge in 25 different levels!