12 Days of Christmas
842
99 Bottles of Beer
738
Arrows
349
Billiards
305
Card Number Validation
352
Christmas Trees
575
Collatz
674
CSS Colors
205
Day of Week
660
Divisors
830
Emojify
352
Factorial Factorisation
127
Fibonacci
699
Fizz Buzz
834
Foo Fizz Buzz Bar
758
Forsyth–Edwards Notation
459
Happy Numbers
348
ISBN
659
Leap Years
648
ln 2
119
Morse Decoder
236
Morse Encoder
335
Niven Numbers
567
Ordinal Numbers
642
Pangram Grep
629
Pernicious Numbers
408
Prime Numbers
680
Prime Numbers (Long)
704
Repeating Decimals
844
Rock-paper-scissors-Spock-lizard
525473
ROT13
374
Seven Segment
298
Sudoku
513
Tic-tac-toe
309
Tongue-twisters
545
United States
207
π
136
τ
132
√2
128