12 Days of Christmas
10th
24 Game
47th
99 Bottles of Beer
1st1st
Abundant Numbers
42nd
Abundant Numbers (Long)
34th
Arabic to Roman
21st
Arithmetic Numbers
10th
Arrows
42nd
Ascending Primes
24th
ASCII Table
16th
Billiards
25th
brainfuck
16th
Calendar
15th1st
Card Number Validation
2nd
Catalan Numbers
1st
Catalan’s Constant
55th
Christmas Trees
44th
Collatz
40th
CSS Colors
12th
Cubes
19th
Day of Week
1st
DFA Simulator
16th
Diamonds
26th
Divisors
167th
1st
Emirp Numbers
23rd
Emirp Numbers (Long)
25th
Emojify
27th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
17th
Farey Sequence
1st
Fibonacci
1st60th
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
13th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
33rd
Happy Numbers
1st
Happy Numbers (Long)
24th
Hexdump
1st
Hilbert Curve
12th
Intersection
44th
Inventory Sequence
19th
ISBN
22nd
Jacobi Symbol
20th
Kaprekar Numbers
30th
Kolakoski Constant
18th
Kolakoski Sequence
20th
Leap Years
7th
Levenshtein Distance
Leyland Numbers
8th
ln 2
1st
Look and Say
25th
Lucky Numbers
1st
Lucky Tickets
56th
Mahjong
15th
Mandelbrot
30th
Maze
11th
Medal Tally
21st
Minesweeper
11th
Morse Decoder
24th
Morse Encoder
12th
Multitap Input
15th
Musical Chords
19th
N Queens
38th
Niven Numbers
1st
Niven Numbers (Long)
49th
Number Spiral
31st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
6th
PalindromemordnilaP
40th
Pangram Grep
63rd
Partition Numbers
40th
Pascal’s Triangle
88th
Pernicious Numbers
78th
Pernicious Numbers (Long)
1st
Poker
Polyominoes
19th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
22nd
QR Decoder
11th
Quine
80th
Recamán
1st
Repeating Decimals
30th
Reverse Polish Notation
45th
Reversi
9th
Rijndael S-box
31st
Rock-paper-scissors-Spock-lizard
20th
Roman to Arabic
24th
ROT13
67th
Rule 110
73rd
Scrambled Sort
7th
Set
12th
Seven Segment
29th
SI Units
21st
Sierpiński Triangle
35th
Smith Numbers
29th
Spelling Numbers
12th
Star Wars GPT
1st
Star Wars Opening Crawl
2nd
Sudoku
28th
Sudoku (Fill-in)
8th
Ten-pin Bowling
19th
Tic-tac-toe
11th
Time Distance
5th
Tongue-twisters
16th
Topological Sort
21st
Tower of Hanoi
35th
Transpose Sentence
20th
Trinomial Triangle
30th
United States
15th
Vampire Numbers
5th
Van Eck Sequence
61st
Zeckendorf Representation
51st
Zodiac Signs
15th
γ
24th
λ
36th
π
41st
τ
33rd
φ
59th
√2
1st
𝑒
1st