Instructions
Log on to your Miniclip.com account. If you do not have a Miniclip account, you can sign up for one by clicking on the Sign Up button to the left side of the homepage.
Click on your profile and then click on Random Challenges. You will see a list of other Miniclip players' high scores in various games.
Click the Accept button next to any of the challenges. You will automatically begin playing in the game pertinent to the challenge you accepted.
Beat the challenger's high score within the game to earn a win.
Repeat accepting other players' challenges until you accumulate 1,000 or more wins to get the Blue Challenge Cup. Note that you will get the Bronze Cup for 50 wins, the Silver Cup for 100 wins and the Gold Cup for 250 wins before getting the Blue Cup.