12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
2nd
1st
4th
3rd
5th
14th
8th
11th
2nd
4th
Abundant Numbers (Long)
2nd
2nd
4th
1st
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
brainfuck
Catalan Numbers
1st
💎
3rd
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
Diamonds
Divisors
3rd
3rd
3rd
1st
14th
9th
1st
12th
💎
1st
Emirp Numbers
2nd
1st
3rd
2nd
3rd
20th
1st
Emirp Numbers (Long)
Emojify
Evil Numbers
4th
5th
1st
2nd
4th
6th
8th
6th
1st
1st
Evil Numbers (Long)
Fibonacci
1st
2nd
1st
3rd
7th
5th
1st
1st
1st
1st
Fizz Buzz
4th
1st
1st
3rd
2nd
1st
1st
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
2nd
1st
3rd
2nd
3rd
16th
7th
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
💎
2nd
💎
💎
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
4th
2nd
1st
1st
Leap Years
2nd
1st
💎
1st
4th
5th
1st
3rd
💎
1st
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
3rd
3rd
3rd
2nd
Lucky Numbers
Lucky Tickets
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
Niven Numbers
1st
1st
1st
1st
4th
18th
1st
13th
1st
1st
Niven Numbers (Long)
Number Spiral
Odious Numbers
4th
6th
1st
2nd
4th
1st
8th
23rd
1st
1st
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
2nd
1st
1st
1st
6th
1st
1st
1st
1st
1st
Pernicious Numbers (Long)
Poker
Prime Numbers
4th
1st
💎
2nd
4th
8th
9th
5th
1st
1st
Prime Numbers (Long)
4th
1st
2nd
2nd
Proximity Grid
QR Decoder
Quine
1st
1st
1st
3rd
2nd
5th
1st
Recamán
Repeating Decimals
Reverse Polish Notation
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
2nd
π
4th
2nd
2nd
💎
3rd
2nd
3rd
2nd
💎
3rd
τ
3rd
2nd
2nd
💎
2nd
3rd
3rd
2nd
💎
3rd
φ
3rd
2nd
3rd
💎
3rd
2nd
2nd
4th
💎
8th
√2
4th
2nd
2nd
💎
2nd
2nd
4th
3rd
💎
9th
𝑒
3rd
2nd
2nd
2nd
4th
4th
8th
5th
💎
4th