12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
3rd
brainfuck
5th
Christmas Trees
Collatz
3rd
CSS Colors
Day of Week
Divisors
11th
Emirp Numbers
11th
Emojify
Evil Numbers
12th
Fibonacci
69th
Fizz Buzz
1st
Foo Fizz Buzz Bar
13th
Forsyth–Edwards Notation
Fractions
12th
Game of Life
12th
Happy Numbers
1st
Hexdump
6th
Intersection
12th
ISBN
15th
Jacobi Symbol
Kolakoski Sequence
Leap Years
17th
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Numbers
3rd
4th
Niven Numbers
8th
Odious Numbers
Ordinal Numbers
15th
Pangram Grep
Pascal’s Triangle
1st
Pernicious Numbers
Prime Numbers
8th
Prime Numbers (Long)
3rd
Quine
1st
Reverse Polish Notation
3rd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
7th
Rule 110
7th
7th
Time Distance
Tongue-twisters
9th
United States
Vampire Numbers
π
40th
τ