12 Days of Christmas
90th
99 Bottles of Beer
86th
Abundant Numbers
403rd
Arabic to Roman
288th
Arithmetic Numbers
245th
Ascending Primes
233rd
Billiards
82nd
Christmas Trees
731st
Diamonds
42nd
Emirp Numbers
153rd
Emirp Numbers (Long)
38th
Emojify
106th
Evil Numbers
1st
Evil Numbers (Long)
40th
Fizz Buzz
42nd
Leap Years
473rd
Look and Say
345th
Medal Tally
48th
Poker
37th
Prime Numbers
480th
Roman to Arabic
329th
ROT13
54th
Sudoku (Fill-in)
111th
Tic-tac-toe
59th
Time Distance
38th
Vampire Numbers
49th