Level 0 do math random number or array element math combo find middle of string invert positive number 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 Levle 3 Char Convert Math Sequence Array Factors Find Factors NEW Roman Numerals Level 4 Numeric Toggles Matrix Add Level 5 Permutations Factor of Sequence Level 6 none available Level 7 none available Level 8 none available Level 9 Calculate Multi Average Level 10 Recursive Numeric Spirals