You get one, but then it goes crazy and starts taking over.

I wish I had a staircase that goes nowhere.

Granted, but your home gets overrun by tourists who all want to see Nowhere.

I wish I could breathe underwater.

You can breathe underwater, but soon you can't breathe on land and are forced to live in the sea.

I wish I could fly.

You're legs are gone, and you now have wings!

I wish I could think of something to wish for in the next post of mine on this game in advance.

You can, but it's a horrible wish.

I wish I would never be tempted to sneak a snack.

The snacks in your house are actually healthier for you than the meals you usually eat.

I wish I could be 7 feet tall.

You are, but now you don't fit through most doorways and the Guinness Book of World Records records you down, so you're perpetually popular wherever on the face of the earth you go.

I wish I was a hobbit.

You become one, and a troll tries to sit on you to make jelly.

I wish I could eat cheesecake whenever I wanted.

You could, but then you would grow tired of both cheese and cake and would never want to taste either again... and really, who wants that?

I wish I was "able to leap tall buildings in a single bound".

You can, but you're always tripping over the short buildings.

I wish I was rich.

You get buried in lots of rich soil/dirt!

I wish I could have two more wishes.

Each rich comes true in a parallel universe, so it doesn't help you here.

I wish The Silver Chair movie would come out soon.

It does, but it's the movie just consists of a image on the screen showing a virtual version of the book, pictures and all, with a very terrible reader reading the book.

I wish that the next Narnia movie will be great, even if it takes a really long time to come out.

The next Narnian movie comes, and is the most amazing moive of all time, but you are captured by alains and taken to Mars before you ever have a chance to see it.

I wish I could go to Mars.

You get to Mars, but you forgot your space suit, so you have to go back to Earth.

I wish for a Llama.