12 Days of Christmas
841
99 Bottles of Beer
738
Arrows
349
Billiards
305
Card Number Validation
350
Christmas Trees
574
Collatz
672
CSS Colors
205
Day of Week
697
Divisors
829
Emojify
352
Factorial Factorisation
127
Fibonacci
698
Fizz Buzz
834
Foo Fizz Buzz Bar
755
Forsyth–Edwards Notation
459
Happy Numbers
347
ISBN
659
Leap Years
648
ln 2
119
Morse Decoder
235
Morse Encoder
334
Ordinal Numbers
642
Pangram Grep
628
Pernicious Numbers
408
Prime Numbers
679
Prime Numbers (Long)
702
Repeating Decimals
844
Rock-paper-scissors-Spock-lizard
525473
ROT13
371
Seven Segment
298
Sudoku
513
Tic-tac-toe
309
Tongue-twisters
544
United States
207
π
136
τ
132
√2
128