12 Days of Christmas
7th
24 Game
💎
99 Bottles of Beer
3rd
Abundant Numbers
1st
Abundant Numbers (Long)
1st
Arabic to Roman
3rd
Arithmetic Numbers
1st
Arrows
3rd
Ascending Primes
2nd
ASCII Table
4th
Billiards
💎
brainfuck
3rd
Card Number Validation
4th
Catalan Numbers
1st
Catalan’s Constant
1st
Christmas Trees
1st
Collatz
💎
CSS Colors
7th
Cubes
3rd
Day of Week
2nd
DFA Simulator
2nd
Diamonds
6th
Divisors
💎1st
Emirp Numbers
1st
Emirp Numbers (Long)
2nd
Emojify
5th
Evil Numbers
51st
5th
Evil Numbers (Long)
1st
Factorial Factorisation
1st
Farey Sequence
1st
Fibonacci
31st
1st1st27th7th
Fizz Buzz
163rd9th
1st4th49th
69th23rd
Foo Fizz Buzz Bar
3rd
Forsyth–Edwards Notation
💎
Fractions
1st
1st
Game of Life
2nd
Gijswijt’s Sequence
2nd
Happy Numbers
1st300th
Happy Numbers (Long)
1st
Hexdump
4th
Intersection
5th
Inventory Sequence
5th
ISBN
1st
Jacobi Symbol
3rd
Kaprekar Numbers
2nd
Kolakoski Constant
5th
Kolakoski Sequence
9th
Leap Years
6th
Levenshtein Distance
7th
Leyland Numbers
6th
ln 2
1st
Look and Say
2nd
Lucky Numbers
3rd
Lucky Tickets
4th
Mahjong
2nd
Maze
5th
Medal Tally
4th
Morse Decoder
4th
Morse Encoder
3rd
Musical Chords
4th
N Queens
💎
Niven Numbers
1st
Niven Numbers (Long)
1st
Number Spiral
2nd
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
1st
PalindromemordnilaP
4th
Pangram Grep
1st
Pascal’s Triangle
3rd
Pernicious Numbers
20th
Pernicious Numbers (Long)
12th
Poker
3rd
Polyominoes
💎
Prime Numbers
1st211th
21st
Prime Numbers (Long)
8th41st
25th
Proximity Grid
3rd
QR Decoder
6th
Quine
1st56th
1st
Recamán
1st
Repeating Decimals
5th
Reverse Polish Notation
2nd
Reversi
💎
Rijndael S-box
💎
Rock-paper-scissors-Spock-lizard
4th
Roman to Arabic
10th
ROT13
2nd
Rule 110
5th
Seven Segment
5th
SI Units
2nd
Sierpiński Triangle
3rd
Smith Numbers
6th
Spelling Numbers
💎
Star Wars Opening Crawl
3rd
Sudoku
2nd
Sudoku (Fill-in)
3rd
Ten-pin Bowling
6th
Tic-tac-toe
2nd
Time Distance
2nd
Tongue-twisters
11th
Transpose Sentence
1st
United States
10th
Vampire Numbers
1st
Van Eck Sequence
5th
Zeckendorf Representation
💎
Zodiac Signs
5th
γ
1st
λ
💎
π
1st110th
τ
1st
φ
1st
√2
1st
𝑒
1st