On Funnygames.org you'll find the best collection of Highscore Games! You'll find no less than 90 different Highscore Games, such as Bubbles 3 & Fireboy and Watergirl 1.
Try to achieve the highest score in these Highscore games and see if you can beat the rest! Can you make it into the top score list of the day, week or month? You might even manage to get in the top 100 of all time!