That's all, folks. Oh, and there's a reference card. There's quite a lot of levels. The 'time travel' thing's entertaining. Combat's not particularly good.
Time is a pretty complicated thing.
Loads of people have written stories about time travel, and there's been one problem that's come up again and again. Even the slightest thing could cause the temporal structure of the universe to come tumbling down. A sticky problem. And it gets ever worse when you think about paradoxes. It makes my brain hurt just trying to think about it.