Hit average percent = score (for example, 75%=75 points). Time (minutes): 0-60 = 100 points, with a 1 point deduction for every minute over 60. Monsters killed: Killing165+ monsters scores 100 points with a 1 point deduction for kill scores below total (for example 164 kills is a 99). Continues used: 0 = 100 points, 1 = 75 points, 2 = 50 points, 3 = 25 points, 4+ = 0 points. First aid spray use: 0 = 100points, 1 = 80 points, 2 = 60 points, 3 = 40 points, 4 = 20 points, 5 = 0 points.