12 Days of Christmas
842
99 Bottles of Beer
737
Arrows
357
Billiards
304
Card Number Validation
355
Christmas Trees
576
Collatz
674
CSS Colors
206
Day of Week
663
Divisors
831
Emojify
353
Factorial Factorisation
128
Fibonacci
700
Fizz Buzz
835
Foo Fizz Buzz Bar
758
Forsyth–Edwards Notation
442
Happy Numbers
348
ISBN
662
Leap Years
577
ln 2
120
Morse Decoder
237
Morse Encoder
328
Niven Numbers
567
Ordinal Numbers
625
Pangram Grep
630
Pernicious Numbers
409
Prime Numbers
681
Prime Numbers (Long)
706
Repeating Decimals
826
Rock-paper-scissors-Spock-lizard
526475
ROT13
378
Seven Segment
300
Sudoku
516
Tic-tac-toe
312
Tongue-twisters
546
Trinomial Triangle
39
United States
205
π
136
τ
132
√2
128