12 Days of Christmas
9th
24 Game
38th
99 Bottles of Beer
8th
Abundant Numbers
10th
Abundant Numbers (Long)
34th
Arabic to Roman
9th
Arithmetic Numbers
27th
Arrows
22nd
Ascending Primes
35th
ASCII Table
14th
Billiards
12th
brainfuck
9th
Calendar
1st
Card Number Validation
18th
Catalan Numbers
1st
Catalan’s Constant
38th
Christmas Trees
6th
Collatz
124th
Connect Four
18th
Continued Fractions
1st
CSS Colors
6th
Cubes
3rd
Day of Week
1st
DFA Simulator
16th
Diamonds
60th
Divisors
1st
Emirp Numbers
16th
Emirp Numbers (Long)
10th
Emojify
34th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
24th
Farey Sequence
32nd
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
16th
Fractions
1st
Game of Life
23rd
Gijswijt’s Sequence
20th
Gray Code Decoder
23rd
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
40th
Hexdump
4th
Hilbert Curve
15th
Intersection
36th
Inventory Sequence
37th
ISBN
24th
Jacobi Symbol
20th
Kaprekar Numbers
5th
Kolakoski Constant
30th
Kolakoski Sequence
23rd
Leap Years
18th
Levenshtein Distance
1st
Leyland Numbers
1st
ln 2
1st
Look and Say
9th
Lucky Numbers
18th
Lucky Tickets
49th
Mahjong
15th
Mandelbrot
11th
Maze
40th
Medal Tally
30th
Minesweeper
20th
Morse Decoder
14th
Morse Encoder
16th
Multitap Input
9th
Musical Chords
16th
N Queens
30th
Nim
20th
Niven Numbers
1st
Niven Numbers (Long)
22nd
Number Spiral
44th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
34th
Pangram Grep
32nd
Partition Numbers
3rd
Pascal’s Triangle
1st
Pernicious Numbers
83rd
Pernicious Numbers (Long)
1st
Poker
8th
Polyominoes
12th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
6th
QR Decoder
22nd
Quine
1st
Recamán
67th
Repeating Decimals
1st
Reverse Polish Notation
27th
Reversi
43rd
Rijndael S-box
19th
Rock-paper-scissors-Spock-lizard
12th
Roman to Arabic
27th
ROT13
1st
Rule 110
12th
Scrambled Sort
14th
Set
15th
Seven Segment
4th
SI Units
10th
Sierpiński Triangle
18th
Smith Numbers
18th
Spelling Numbers
25th
Star Wars GPT
33rd
Star Wars Opening Crawl
13th
Sudoku
11th
Sudoku (Fill-in)
14th
Taxicab Numbers
53rd
Ten-pin Bowling
36th
Tic-tac-toe
19th
Time Distance
35th
Tongue-twisters
11th
Topological Sort
30th
Tower of Hanoi
30th
Transpose Sentence
23rd
Trinomial Triangle
1st
Ulam Sequence
26th
United States
56th
Vampire Numbers
13th
Van Eck Sequence
25th
Zeckendorf Representation
6th
Zodiac Signs
17th
γ
21st
λ
15th
π
20th
τ
13th
φ
1st
√2
1st
𝑒
1st