12 Days of Christmas
85th
99 Bottles of Beer
81st
Abundant Numbers
386th
Arabic to Roman
275th
Arithmetic Numbers
222nd
Ascending Primes
209th
Billiards
73rd
Christmas Trees
698th
Diamonds
41st
Emirp Numbers
144th
Emirp Numbers (Long)
33rd
Evil Numbers
1st
Evil Numbers (Long)
33rd
Fizz Buzz
38th
Leap Years
456th
Look and Say
327th
Medal Tally
41st
Poker
32nd
Prime Numbers
458th
Roman to Arabic
316th
ROT13
46th
Sudoku (Fill-in)
107th
Tic-tac-toe
52nd
Time Distance
36th
Vampire Numbers
46th