12 Days of Christmas
842
99 Bottles of Beer
737
Arrows
357
Billiards
309
Card Number Validation
355
Christmas Trees
576
Collatz
674
CSS Colors
206
Day of Week
663
Divisors
830
Emojify
353
Factorial Factorisation
127
Fibonacci
699
Fizz Buzz
835
Foo Fizz Buzz Bar
758
Forsyth–Edwards Notation
461
Happy Numbers
348
ISBN
660
Leap Years
649
ln 2
120
Morse Decoder
237
Morse Encoder
336
Niven Numbers
567
Ordinal Numbers
643
Pangram Grep
630
Pernicious Numbers
409
Prime Numbers
680
Prime Numbers (Long)
704
Repeating Decimals
839
Rock-paper-scissors-Spock-lizard
526475
ROT13
378
Seven Segment
299
Sudoku
516
Tic-tac-toe
312
Tongue-twisters
546
Trinomial Triangle
39
United States
205
π
136
τ
132
√2
128