12 Days of Christmas
7th
24 Game
33rd
99 Bottles of Beer
6th
Abundant Numbers
10th
Abundant Numbers (Long)
34th
Arabic to Roman
8th
Arithmetic Numbers
24th
Arrows
21st
Ascending Primes
28th
ASCII Table
14th
Billiards
9th
brainfuck
8th
Calendar
1st
Card Number Validation
15th
Catalan Numbers
1st
Catalan’s Constant
34th
Christmas Trees
5th
Collatz
118th
Continued Fractions
1st
CSS Colors
6th
Cubes
2nd
Day of Week
1st
DFA Simulator
10th
Diamonds
53rd
Divisors
1st
Emirp Numbers
15th
Emirp Numbers (Long)
9th
Emojify
31st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
19th
Farey Sequence
29th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
16th
Fractions
1st
Game of Life
19th
Gijswijt’s Sequence
16th
Gray Code Decoder
15th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
36th
Hexdump
1st
Hilbert Curve
6th
Intersection
36th
Inventory Sequence
31st
ISBN
22nd
Jacobi Symbol
16th
Kaprekar Numbers
4th
Kolakoski Constant
27th
Kolakoski Sequence
20th
Leap Years
18th
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
1st
Look and Say
9th
Lucky Numbers
12th
Lucky Tickets
42nd
Mahjong
10th
Mandelbrot
9th
Maze
39th
Medal Tally
25th
Minesweeper
18th
Morse Decoder
13th
Morse Encoder
11th
Multitap Input
8th
Musical Chords
13th
N Queens
24th
Niven Numbers
1st
Niven Numbers (Long)
21st
Number Spiral
38th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
5th
PalindromemordnilaP
28th
Pangram Grep
27th
Partition Numbers
2nd
Pascal’s Triangle
1st
Pernicious Numbers
78th
Pernicious Numbers (Long)
1st
Poker
5th
Polyominoes
11th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
6th
QR Decoder
18th
Quine
1st
Recamán
62nd
Repeating Decimals
1st
Reverse Polish Notation
23rd
Reversi
36th
Rijndael S-box
17th
Rock-paper-scissors-Spock-lizard
10th
Roman to Arabic
24th
ROT13
1st
Rule 110
12th
Scrambled Sort
7th
Set
12th
Seven Segment
3rd
SI Units
7th
Sierpiński Triangle
17th
Smith Numbers
13th
Spelling Numbers
19th
Star Wars GPT
25th
Star Wars Opening Crawl
11th
Sudoku
9th
Sudoku (Fill-in)
11th
Ten-pin Bowling
31st
Tic-tac-toe
17th
Time Distance
31st
Tongue-twisters
10th
Topological Sort
25th
Tower of Hanoi
27th
Transpose Sentence
20th
Trinomial Triangle
1st
United States
52nd
Vampire Numbers
9th
Van Eck Sequence
23rd
Zeckendorf Representation
6th
Zodiac Signs
16th
γ
19th
λ
10th
π
16th
τ
11th
φ
1st
√2
1st
𝑒
1st