You can do this by not visiting the Store Page for the game.
If you have bought the game, or somehow recieved it from one of your friends, skip to Step 2.

You can do this by ignoring it, and not clicking on it.
If some evil demon has installed this application, skip to Step 3.

You can do this by not clicking on it if it is installed for some reason.
If someone has launched Bad Rats, skip to Step 4.

You can do this by exiting the game and deleting it.
If someone is forcing you to play Bad Rats, skip to Step 5.

This can be done by clicking Exit, if you are having troubles exiting the game, please visit a guide on how to exit the game.

If the game does not quit, please move to Step 6.

If you are having trouble with this game, simply text 'IHATETHISGAME' to 3012473493254389, and we wil deploy our good rats to come and save you.
If you can't text or ring the above number, we are sorry.

Some good games to cure yourself from Bad Rats are:
Train Simulator 2014
Moshi Monsters (:P)
Thanks for using this guide, hope it helped you cure Bad Rats!