How to remove ceramic tile floor?

You break a couple tile so that you can get under those next to it. Using a crow bar or some other tool that will allow you to pry up the surrounding tile go at it. After you have gotten a few up look for a crack in the under layment. If it's backer-board or plywood that is NOT 3/4 inch thick you may be able to pry it up and thus remove large sections of the tile still attached to the board. Take your time and you will get-er-done. Have fun.