12 Days of Christmas
793
99 Bottles of Beer
730
Arrows
354
Billiards
302
Card Number Validation
349
Christmas Trees
538
Collatz
662
CSS Colors
207
Day of Week
573
Divisors
815
Emojify
350
Factorial Factorisation
126
Fibonacci
694
Fizz Buzz
824
Foo Fizz Buzz Bar
745
Forsyth–Edwards Notation
426
Happy Numbers
342
ISBN
649
Leap Years
570
ln 2
119
Morse Decoder
231
Morse Encoder
323
Niven Numbers
550
Ordinal Numbers
617
Pangram Grep
620
Pernicious Numbers
403
Prime Numbers
678
Prime Numbers (Long)
700
Repeating Decimals
823
Rock-paper-scissors-Spock-lizard
510463
ROT13
376
Seven Segment
295
Sudoku
501
Tic-tac-toe
302
Tongue-twisters
544
Trinomial Triangle
39
United States
201
π
136
τ
132
√2
127