12 Days of Christmas
5th
24 Game
12th
99 Bottles of Beer
5th
Abundant Numbers
11th
Abundant Numbers (Long)
20th
Arabic to Roman
5th
Arithmetic Numbers
11th
Arrows
13th
Ascending Primes
19th
ASCII Table
13th
Billiards
4th
brainfuck
7th
Calendar
1st
Card Number Validation
11th
Catalan Numbers
1st
Catalan’s Constant
23rd
Christmas Trees
11th
Collatz
39th
Connect Four
33rd
Continued Fractions
1st
CSS Colors
6th
Cubes
3rd
Day of Week
1st
DFA Simulator
8th
Diamonds
31st
Divisors
16th
Emirp Numbers
14th
Emirp Numbers (Long)
11th
Emojify
25th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
12th
Farey Sequence
22nd
Fibonacci
1st
Fizz Buzz
22nd
Foo Fizz Buzz Bar
21st
Forsyth–Edwards Notation
10th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
10th
Gray Code Decoder
12th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
24th
Hexdump
12th
Hilbert Curve
5th
Intersection
18th
Inventory Sequence
15th
ISBN
12th
Jacobi Symbol
13th
Kaprekar Numbers
24th
Kolakoski Constant
14th
Kolakoski Sequence
20th
Leap Years
23rd
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
12th
Look and Say
6th
Lucky Numbers
6th
Lucky Tickets
28th
Mahjong
9th
Mandelbrot
10th
Maze
24th
Medal Tally
12th
Minesweeper
8th
Morse Decoder
9th
Morse Encoder
9th
Multitap Input
6th
Musical Chords
8th
N Queens
14th
Nim
37th
Niven Numbers
1st
Niven Numbers (Long)
24th
Number Spiral
23rd
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
6th
PalindromemordnilaP
20th
Pangram Grep
23rd
Partition Numbers
9th
Pascal’s Triangle
23rd
Pernicious Numbers
88th
Pernicious Numbers (Long)
8th
Poker
4th
Polyominoes
8th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
4th
QR Decoder
7th
Quine
1st
Recamán
35th
Repeating Decimals
1st
Reverse Polish Notation
17th
Reversi
20th
Rijndael S-box
11th
Rock-paper-scissors-Spock-lizard
8th
Roman to Arabic
20th
ROT13
1st
Rule 110
10th
Scrambled Sort
8th
Semiprime Numbers
22nd
Set
8th
Seven Segment
4th
SI Units
5th
Sierpiński Triangle
12th
Smith Numbers
11th
Snake
21st
Spelling Numbers
13th
Sphenic Numbers
22nd
Star Wars GPT
22nd
Star Wars Opening Crawl
6th
Sudoku
9th
Sudoku (Fill-in)
4th
Taxicab Numbers
19th
Ten-pin Bowling
Tic-tac-toe
10th
Time Distance
17th
Tongue-twisters
16th
Topological Sort
10th
Tower of Hanoi
19th
Transpose Sentence
15th
Trinomial Triangle
13th
Ulam Sequence
42nd
United States
30th
Vampire Numbers
6th
Van Eck Sequence
18th
Zeckendorf Representation
5th
Zodiac Signs
13th
γ
11th
λ
9th
π
17th
τ
12th
φ
1st
√2
14th
𝑒
10th