1. Go to the Pokemon.com website and log in to your account.
2. Click on the "Play" tab and then select "Fill and Float" from the list of games.
3. The objective of the game is to fill up the balloons with air by clicking on them. You can also pop the balloons by clicking on them multiple times.
4. The game will end when all of the balloons have either been filled up or popped.
5. Your score will be based on the number of balloons you filled up and the number of balloons you popped.
6. To get a Highscore, you will need to fill up as many balloons as possible and pop as few balloons as possible.
7. You can practice playing Fill and Float to improve your score and try to get a Highscore.