12 Days of Christmas
577
99 Bottles of Beer
714
Arrows
356
Billiards
309
Card Number Validation
356
Christmas Trees
573
Collatz
670
CSS Colors
98
Day of Week
665
Divisors
831
Emojify
328
Factorial Factorisation
127
Fibonacci
700
Fizz Buzz
829
Foo Fizz Buzz Bar
749
Forsyth–Edwards Notation
473
Happy Numbers
212
ISBN
661
Leap Years
648
ln 2
120
Morse Decoder
233
Morse Encoder
326
Niven Numbers
550
Ordinal Numbers
640
Pangram Grep
629
Pernicious Numbers
410
Prime Numbers
534
Prime Numbers (Long)
706
Repeating Decimals
842
Rock-paper-scissors-Spock-lizard
526471
ROT13
382
Seven Segment
287
Sudoku
637
Tic-tac-toe
309
Tongue-twisters
352
Trinomial Triangle
40
United States
202
π
136
τ
133
√2
128