Corrupt a Wish

Granted, but you divorce promptly after you marry.

I wish I had noclip powers.

Granted, but your hand goes through food and you starve.

I wish World -1 in Super Mario Bros. was beatable

Granted. World -1 SMB is beatable. In fact, it's extremely easy to beat... by everyone but you.

I wish all video games could be played on current computers.

Granted, but you lose your computer and you are left with a GBA

I wish this wish was corrupted

Granted nothing happens because you wish for nothing.

I wish I were the genie that granted people wishes.

Granted but someone wishes that you died.

I wish for a piece of cake

Granted. You have a piece of cake, but somebody else eats it.

I wish i could swim in the river Styx.

Granted, but a rock falls on your head and you fall unconcious and die

I wish that there were no computer viruses

Granted your computer explodes and you die

I wish DNGM did not kill everyone.

Granted. I have no idea what DNGM is, but it seems to only affect you.

I wish everybody played fair.

Granted! Everyone plays fair at Tic Tac Toe!

I wish I ruled the world!

Granted, but a revolution lead by an army of fairies and other magically-enabled creatures dethrone you.

I wish I was the new Emperor of the world and that all fairies are my loyal subjects!

Granted, but the other magically-enabled creatures revolt and dethrone you.

I wish only peace ruled.

Edit: By the way. The river Styx was what made Achilles nearly completely invulnerable.

Granted it was cool for awhile but then peaple thought it would be cooler to be mean to each other.

I wish I knew how to play air gutar.

Granted but air guitars go out of fashion and you are thought of as weird for playing it.

I wish I had an iPad 4

Granted but iPad 4s go out of fashion and you are thought of as weird for using one. 

I wish I had a pet turtle.

Wish granted. It's a fully grown ocean turtle the size of your average 60'' plasma TV. You get swallowed by it.

I wish the turtle fairy Shelly would make smaller turtles.

Granted

...?

Granted, but the snake fairy Snakey makes bigger snakes.

I wish VULPES_VULPES would stop making wishes to do with fairies.