12 Days of Christmas
2nd
24 Game
1st
99 Bottles of Beer
5th
Abundant Numbers
3rd
Abundant Numbers (Long)
3rd
Arabic to Roman
7th
Arithmetic Numbers
9th
Arrows
18th
Ascending Primes
9th5th7th
ASCII Table
1st
Billiards
💎
brainfuck
16th
Calendar
💎
Card Number Validation
1st
Catalan Numbers
1st
1st
Catalan’s Constant
8th
Christmas Trees
16th
Collatz
50th3rd13th
344th
CSS Colors
1st
1st
Cubes
💎
Day of Week
1st
1st
DFA Simulator
💎
Diamonds
16th
Divisors
12th
43rd424th
Emirp Numbers
1st
Emirp Numbers (Long)
11th
Emojify
6th
Evil Numbers
19th1st
1st
1st
Evil Numbers (Long)
24th1st
1st
159th
Factorial Factorisation
1st
Farey Sequence
18th9th15th
Fibonacci
51st1st1st
46th
1st
Fizz Buzz
1st
216th
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
8th
Fractions
3rd
Game of Life
6th
Gijswijt’s Sequence
7th
Happy Numbers
8th1st5th
Happy Numbers (Long)
12th
Hexdump
💎
Hilbert Curve
3rd
Intersection
3rd
Inventory Sequence
9th
ISBN
1st
Jacobi Symbol
3rd
Kaprekar Numbers
1st
Kolakoski Constant
7th
Kolakoski Sequence
20th
Leap Years
21st
Levenshtein Distance
7th
36th
Leyland Numbers
7th
ln 2
9th
Look and Say
4th
Lucky Numbers
8th
Lucky Tickets
6th
Mahjong
3rd
Mandelbrot
4th
Maze
💎
Medal Tally
4th
Minesweeper
💎
Morse Decoder
7th
Morse Encoder
6th
Musical Chords
8th
N Queens
💎
Niven Numbers
83rd1st
43rd
40th
Niven Numbers (Long)
8th
Number Spiral
11th
Odious Numbers
16th1st
1st
1st
Odious Numbers (Long)
14th1st
1st
103rd
Ordinal Numbers
1st
PalindromemordnilaP
1st
Pangram Grep
💎3rd💎
Partition Numbers
15th
Pascal’s Triangle
7th
Pernicious Numbers
1st
15th
1st
Pernicious Numbers (Long)
3rd
1st
81st
Poker
7th
Polyominoes
5th
Prime Numbers
33rd1st26th
1st
Prime Numbers (Long)
26th4th24th
1st
Proximity Grid
8th
QR Decoder
9th
Quine
1st
Recamán
14th1st1st
Repeating Decimals
💎
Reverse Polish Notation
7th
Reversi
💎
Rijndael S-box
💎💎💎
4th💎
💎
4th
💎
Rock-paper-scissors-Spock-lizard
19th
Roman to Arabic
1st
ROT13
10th
Rule 110
💎
Scrambled Sort
1st
Set
5th
Seven Segment
9th
SI Units
💎
Sierpiński Triangle
9th
Smith Numbers
8th
Spelling Numbers
2nd
Star Wars GPT
💎
Star Wars Opening Crawl
💎
Sudoku
5th
Sudoku (Fill-in)
2nd
Ten-pin Bowling
2nd
Tic-tac-toe
4th
Time Distance
1st
Tongue-twisters
13th
Topological Sort
💎
Tower of Hanoi
12th1st4th
Transpose Sentence
1st
Trinomial Triangle
1st
United States
3rd
Vampire Numbers
6th
Van Eck Sequence
1st
Zeckendorf Representation
1st
Zodiac Signs
3rd
γ
6th
λ
3rd
π
8th
τ
8th
φ
2nd
√2
9th
𝑒
14th