12 Days of Christmas
1st
24 Game
4th
99 Bottles of Beer
2nd
3rd
Abundant Numbers
6th
Abundant Numbers (Long)
5th
Arabic to Roman
1st
1st
Arithmetic Numbers
2nd
Arrows
6th
Ascending Primes
3rd
32nd
ASCII Table
3rd
4th
Billiards
💎
brainfuck
💎
Card Number Validation
💎
2nd
Catalan Numbers
1st
Catalan’s Constant
4th
Christmas Trees
3rd
Collatz
1st
3rd
CSS Colors
2nd
Cubes
2nd
2nd
Day of Week
💎
DFA Simulator
2nd
Diamonds
6th
Divisors
4th
7th
Emirp Numbers
1st
Emirp Numbers (Long)
4th
Emojify
3rd
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
2nd
3rd
Farey Sequence
3rd
60th
Fibonacci
1st
1st1st
Fizz Buzz
1st177th52nd1st
Foo Fizz Buzz Bar
2nd
1st
Forsyth–Edwards Notation
1st
Fractions
2nd
8th
Game of Life
4th
Gijswijt’s Sequence
4th
Happy Numbers
2nd
4th
Happy Numbers (Long)
8th
Hexdump
4th
Intersection
2nd
118th
Inventory Sequence
3rd
91st
ISBN
1st
Jacobi Symbol
4th
61st
Kaprekar Numbers
2nd
60th
Kolakoski Constant
5th
Kolakoski Sequence
1st
Leap Years
5th
146th
Levenshtein Distance
2nd
127th
Leyland Numbers
2nd
ln 2
1st
Look and Say
3rd
Lucky Numbers
9th
54th
Lucky Tickets
5th
62nd
Mahjong
2nd
Maze
3rd
Medal Tally
2nd
Morse Decoder
2nd
74th
Morse Encoder
💎
Musical Chords
2nd
N Queens
3rd
Niven Numbers
5th
119th
Niven Numbers (Long)
3rd
153rd
Number Spiral
6th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
PalindromemordnilaP
💎
Pangram Grep
💎
Partition Numbers
3rd
59th
Pascal’s Triangle
2nd
6th
Pernicious Numbers
10th
1st
Pernicious Numbers (Long)
4th
Poker
💎
Polyominoes
2nd
Prime Numbers
5th
Prime Numbers (Long)
5th
Proximity Grid
2nd
QR Decoder
3rd
83rd
Quine
1st
Recamán
2nd
Repeating Decimals
2nd
Reverse Polish Notation
2nd
Reversi
💎
Rijndael S-box
3rd
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
2nd
2nd
ROT13
💎
1st3rd
Rule 110
6th
248th
Seven Segment
5th
SI Units
2nd
Sierpiński Triangle
5th
Smith Numbers
3rd
Spelling Numbers
1st
Star Wars Opening Crawl
3rd
Sudoku
2nd
Sudoku (Fill-in)
2nd
Ten-pin Bowling
💎
Tic-tac-toe
💎
Time Distance
💎
Tongue-twisters
6th
4th
Transpose Sentence
💎
United States
5th
Vampire Numbers
3rd
Van Eck Sequence
2nd
Zeckendorf Representation
2nd
Zodiac Signs
4th
γ
3rd
λ
💎
π
1st
τ
1st
φ
1st
√2
1st
1st
𝑒
1st