12 Days of Christmas
3rd
24 Game
10th
99 Bottles of Beer
3rd
Abundant Numbers
9th
Abundant Numbers (Long)
16th
Arabic to Roman
4th
Arithmetic Numbers
11th
Arrows
11th
Ascending Primes
16th
ASCII Table
11th
Billiards
4th
brainfuck
4th
Card Number Validation
9th
Catalan Numbers
1st
Catalan’s Constant
19th
Christmas Trees
9th
Collatz
36th
CSS Colors
5th
Cubes
💎
Day of Week
1st
DFA Simulator
7th
Diamonds
24th
Divisors
1st
Emirp Numbers
11th
Emirp Numbers (Long)
8th
Emojify
23rd
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
10th
Farey Sequence
19th
Fibonacci
1st
Fizz Buzz
21st
Foo Fizz Buzz Bar
19th
Forsyth–Edwards Notation
9th
Fractions
1st
Game of Life
8th
Gijswijt’s Sequence
7th
Happy Numbers
1st
Happy Numbers (Long)
21st
Hexdump
10th
Hilbert Curve
2nd
Intersection
18th
Inventory Sequence
13th
ISBN
10th
Jacobi Symbol
9th
Kaprekar Numbers
1st
Kolakoski Constant
11th
Kolakoski Sequence
13th
Leap Years
14th
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
1st
Look and Say
4th
Lucky Numbers
4th
Lucky Tickets
31st
Mahjong
4th
Mandelbrot
7th
Maze
18th
Medal Tally
9th
Minesweeper
7th
Morse Decoder
8th
Morse Encoder
8th
Musical Chords
4th
N Queens
10th
Niven Numbers
1st
Niven Numbers (Long)
20th
Number Spiral
19th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
3rd
PalindromemordnilaP
12th
Pangram Grep
16th
Partition Numbers
8th
Pascal’s Triangle
22nd
Pernicious Numbers
77th
Pernicious Numbers (Long)
1st
Poker
3rd
Polyominoes
6th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
3rd
QR Decoder
6th
Quine
1st
Recamán
29th
Repeating Decimals
1st
Reverse Polish Notation
17th
Reversi
14th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
5th
Roman to Arabic
20th
ROT13
1st
Rule 110
8th
Scrambled Sort
5th
Set
6th
Seven Segment
1st
SI Units
4th
Sierpiński Triangle
12th
Smith Numbers
8th
Spelling Numbers
11th
Star Wars GPT
10th
Star Wars Opening Crawl
6th
Sudoku
7th
Sudoku (Fill-in)
4th
Ten-pin Bowling
13th
Tic-tac-toe
7th
Time Distance
14th
Tongue-twisters
15th
Topological Sort
4th
Tower of Hanoi
8th
Transpose Sentence
11th
Trinomial Triangle
12th
United States
26th
Vampire Numbers
5th
Van Eck Sequence
16th
Zeckendorf Representation
4th
Zodiac Signs
12th
γ
9th
λ
5th
π
11th
τ
8th
φ
1st
√2
1st
𝑒
1st