12 Days of Christmas
559
99 Bottles of Beer
714
Arrows
352
Billiards
302
Card Number Validation
349
Christmas Trees
538
Collatz
662
CSS Colors
98
Day of Week
573
Divisors
815
Emojify
322
Factorial Factorisation
126
Fibonacci
694
Fizz Buzz
824
Foo Fizz Buzz Bar
741
Forsyth–Edwards Notation
461
Happy Numbers
208
ISBN
649
Leap Years
568
ln 2
119
Morse Decoder
230
Morse Encoder
279
Niven Numbers
538
Ordinal Numbers
616
Pangram Grep
620
Pernicious Numbers
403
Prime Numbers
532
Prime Numbers (Long)
700
Repeating Decimals
821
Rock-paper-scissors-Spock-lizard
523469
ROT13
376
Seven Segment
283
Sudoku
635
Tic-tac-toe
302
Tongue-twisters
350
Trinomial Triangle
39
United States
200
π
136
τ
132
√2
127