Difficulty Bonus:


Easy: 100 points

Medium: 200 points

Hard: 300 points

Expert: 400 points 


Time Bonus:


Easy: 180 sec minus Time spent

Medium: 360 sec minus Time spent

Hard: 540 sec minus Time spent

Expert: 720 sec minus Time spent


If we spend more Time than given a certain difficulty, we have Time Bonus = 0.

 

Final Score = Percentage [Completing puzzle without help or errors* (Difficulty Bonus + Time Bonus)