12 Days of Christmas
840
99 Bottles of Beer
731
Arrows
354
Billiards
302
Card Number Validation
349
Christmas Trees
564
Collatz
661
CSS Colors
206
Day of Week
571
Divisors
814
Emojify
349
Factorial Factorisation
126
Fibonacci
694
Fizz Buzz
824
Foo Fizz Buzz Bar
744
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)
699
Repeating Decimals
826
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