12 Days of Christmas
3rd
24 Game
12th
99 Bottles of Beer
4th
Abundant Numbers
10th
Abundant Numbers (Long)
18th
Arabic to Roman
4th
Arithmetic Numbers
11th
Arrows
11th
Ascending Primes
17th
ASCII Table
12th
Billiards
4th
brainfuck
4th
Calendar
1st
Card Number Validation
11th
Catalan Numbers
1st
Catalan’s Constant
19th
Christmas Trees
10th
Collatz
36th
Continued Fractions
1st
CSS Colors
6th
Cubes
💎
Day of Week
1st
DFA Simulator
7th
Diamonds
26th
Divisors
1st
Emirp Numbers
12th
Emirp Numbers (Long)
9th
Emojify
23rd
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
10th
Farey Sequence
20th
Fibonacci
1st
Fizz Buzz
21st
Foo Fizz Buzz Bar
20th
Forsyth–Edwards Notation
10th
Fractions
1st
Game of Life
10th
Gijswijt’s Sequence
8th
Gray Code Decoder
5th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
21st
Hexdump
11th
Hilbert Curve
2nd
Intersection
18th
Inventory Sequence
13th
ISBN
12th
Jacobi Symbol
10th
Kaprekar Numbers
2nd
Kolakoski Constant
12th
Kolakoski Sequence
13th
Leap Years
17th
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
1st
Look and Say
6th
Lucky Numbers
5th
Lucky Tickets
23rd
Mahjong
5th
Mandelbrot
7th
Maze
21st
Medal Tally
11th
Minesweeper
8th
Morse Decoder
8th
Morse Encoder
8th
Multitap Input
6th
Musical Chords
4th
N Queens
10th
Niven Numbers
1st
Niven Numbers (Long)
21st
Number Spiral
19th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
PalindromemordnilaP
13th
Pangram Grep
18th
Partition Numbers
9th
Pascal’s Triangle
23rd
Pernicious Numbers
77th
Pernicious Numbers (Long)
1st
Poker
3rd
Polyominoes
7th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
4th
QR Decoder
6th
Quine
1st
Recamán
31st
Repeating Decimals
1st
Reverse Polish Notation
17th
Reversi
15th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
20th
ROT13
1st
Rule 110
9th
Scrambled Sort
5th
Set
8th
Seven Segment
3rd
SI Units
4th
Sierpiński Triangle
12th
Smith Numbers
9th
Spelling Numbers
11th
Star Wars GPT
13th
Star Wars Opening Crawl
6th
Sudoku
7th
Sudoku (Fill-in)
4th
Ten-pin Bowling
13th
Tic-tac-toe
8th
Time Distance
16th
Tongue-twisters
16th
Topological Sort
6th
Tower of Hanoi
10th
Transpose Sentence
12th
Trinomial Triangle
12th
United States
27th
Vampire Numbers
5th
Van Eck Sequence
16th
Zeckendorf Representation
5th
Zodiac Signs
12th
γ
10th
λ
6th
π
12th
τ
9th
φ
1st
√2
1st
𝑒
1st