Ninja Usagimaru forces you to find the right answer

Some games taut challenges that let people find their own solutions to situations. You’ll be faced with a certain set of circumstances, given some important abilities and tools and allowed to find your own way through. Which is great. It encourages creativity, after all. But, there’s something to be said for a more conventional series of games, like the Ninja Usagimaru line, which give you a puzzle with one right answer.