Level 0 do math random number or array element math combo find middle of string invert positive number get vowels alternate caps Level 1 Array reverser Data Type Sorter Array sort FizzBuzz Randomize Array Bipolar Loop Level 2 Bigger Words Numeric Spirals Igpay Atlinlay Fitting Words Even Odds Math Computation Sequences Skippy Numbers Sort Objects Sort Objects by field Array Add Search Array Level 3 Char Convert Math Sequence Array Factors Find Factors Roman Numerals Phone Number Conversion Level 4 Numeric Toggles Matrix Add Level 5 Permutations Factor of Sequence Level 6 NEW Wave Patterns (easy/medium) Level 7 Dependency Calculation Level 8 NEW Wave Patterns (hard) Level 9 Calculate Multi Average Level 10 Recursive Numeric Spirals