This game, released upon multiple platforms, is one of the best platformer games available, aside from the Super Mario series. However, it seems weird that this is a platformer game in the sense that there really isn't a backstory to it. Here is part of the description:
"Your god-like speed, dexterity, jumping power and reflexes are all the result of an amazingly fast metabolism..."
Might not sound like much, but read these other parts of the story:
"Like all ninjas, you have an unquenchable thirst for gold, a natural propensity for exploring rooms infested by increasingly lethal ninja-killing robots, and a devout belief in N.
N, the 'way of the ninja', is a highly advanced system of spiritual, cognitive, and physical training.
It emphasizes pacifism, humility, and the need to traverse a series of five rooms before the end of your lifetime; a feat known only as 'beating an episode'."
Look at the second paragraph- it mentions it is a spiritual training system. In the game, there is nothing spiritual about being chased by killer robots. Kind of suspicious, considering the fact that this game is a physics-based platformer.
Notice the underlined portions in the story. I know there is something that connects all or most of them- they all have something to do with being brainwashed and tested.
One first-person puzzle series to hit the PC market is the Portal series. In the game, you are being tested by a sentient AI, watching you. Testing you.
Here are some similarities between the two series's- They both require speed and strength to beat a level, and they both evidently test your cognitive abilities.
And who the heck is N? It's a belief; at least, according to the game. Your little character would have to have a really strong belief in something- or someone (wink, wink, nudge, nudge) to be able to get them through an entire level in one piece. He needs someone to control him, to guide him. And that person is you. You are the one testing him, to see how far he can go. You are N.
But the real question is Why? Why are you testing him? You are testing him to be a robber. Like I said, he steals gold because it keeps him alive. The robots and mines within the room should be telling him (and YOU) not to steal. (Of course, that's impossible, they're inanimate objects.) What I mean by that is that every time you die, you become resurrected, hopefully to the point where the ninja learns his lesson and decides not to steal. That never happens. The only way that you can teach him not to steal is by not even playing the game.