12 Days of Christmas
31st
24 Game
5th
99 Bottles of Beer
23rd
Abundant Numbers
50th
Abundant Numbers (Long)
31st
Arabic to Roman
22nd
Arithmetic Numbers
27th
Arrows
11th
Ascending Primes
10th
ASCII Table
23rd
Billiards
10th
brainfuck
17th
Card Number Validation
13th
Catalan Numbers
19th
Catalan’s Constant
5th
Christmas Trees
23rd
Collatz
25th
CSS Colors
12th
Cubes
9th
Day of Week
21st
DFA Simulator
9th
Diamonds
13th
Divisors
51st
Emirp Numbers
42nd
Emirp Numbers (Long)
17th
Emojify
15th
Evil Numbers
44th
Evil Numbers (Long)
30th
Factorial Factorisation
9th
Farey Sequence
20th
Fibonacci
1st
Fizz Buzz
86th2,279th
Foo Fizz Buzz Bar
29th
Forsyth–Edwards Notation
15th
Fractions
23rd
Game of Life
10th
Gijswijt’s Sequence
9th
Happy Numbers
58th
Happy Numbers (Long)
26th
Hexdump
12th
Hilbert Curve
7th
Intersection
14th
Inventory Sequence
14th
ISBN
12th
Jacobi Symbol
34th
Kaprekar Numbers
11th
Kolakoski Constant
8th
Kolakoski Sequence
21st
Leap Years
36th
Levenshtein Distance
8th
Leyland Numbers
13th
ln 2
4th
Look and Say
10th
Lucky Numbers
33rd
Lucky Tickets
14th
Mahjong
4th
Mandelbrot
12th
Maze
12th
Medal Tally
9th
Morse Decoder
8th
Morse Encoder
9th
Musical Chords
9th
N Queens
9th
Niven Numbers
54th
Niven Numbers (Long)
21st
Number Spiral
15th
Odious Numbers
36th
Odious Numbers (Long)
25th
Ordinal Numbers
20th
PalindromemordnilaP
7th
Pangram Grep
26th
Partition Numbers
16th
Pascal’s Triangle
33rd
Pernicious Numbers
45th
Pernicious Numbers (Long)
19th
Poker
11th
Polyominoes
3rd
Prime Numbers
44th
Prime Numbers (Long)
26th
Proximity Grid
5th
QR Decoder
6th
Quine
102nd
Recamán
14th
Repeating Decimals
9th
Reverse Polish Notation
9th
Reversi
7th
Rijndael S-box
9th
Rock-paper-scissors-Spock-lizard
16th
Roman to Arabic
15th
ROT13
13th
Rule 110
13th
Scrambled Sort
8th
Set
7th
Seven Segment
14th
SI Units
5th
Sierpiński Triangle
24th
Smith Numbers
13th
Spelling Numbers
9th
Star Wars GPT
3rd
Star Wars Opening Crawl
4th
Sudoku
6th
Sudoku (Fill-in)
6th
Ten-pin Bowling
8th
Tic-tac-toe
9th
Time Distance
10th
Tongue-twisters
19th
Topological Sort
4th
Transpose Sentence
11th
Trinomial Triangle
5th
United States
19th
Vampire Numbers
9th
Van Eck Sequence
16th
Zeckendorf Representation
15th
Zodiac Signs
9th
π
17th
τ
14th
φ
21st
√2
29th
𝑒
19th