12 Days of Christmas
9th
24 Game
99 Bottles of Beer
11th
Abundant Numbers
22nd
Abundant Numbers (Long)
21st
Arabic to Roman
19th
Arithmetic Numbers
10th
Arrows
38th
Ascending Primes
11th
ASCII Table
15th
Billiards
12th
brainfuck
17th
Card Number Validation
23rd
Catalan Numbers
50th
Catalan’s Constant
26th
Christmas Trees
60th
Collatz
34th
CSS Colors
11th
Cubes
15th
Day of Week
103rd
28th
DFA Simulator
10th
Diamonds
49th
15th
Divisors
51st
Emirp Numbers
36th
Emirp Numbers (Long)
7th
Emojify
20th
Evil Numbers
80th
Evil Numbers (Long)
50th
Factorial Factorisation
12th
Farey Sequence
35th
Fibonacci
10th
Fizz Buzz
4th
Foo Fizz Buzz Bar
11th
Forsyth–Edwards Notation
26th
Fractions
1st
Game of Life
7th
Gijswijt’s Sequence
22nd
Happy Numbers
18th
Happy Numbers (Long)
41st
Hexdump
14th
Hilbert Curve
17th
Intersection
17th
Inventory Sequence
33rd
ISBN
16th
Jacobi Symbol
14th
Kaprekar Numbers
21st
Kolakoski Constant
37th
Kolakoski Sequence
39th
Leap Years
34th
Levenshtein Distance
16th
Leyland Numbers
20th
ln 2
24th
Look and Say
32nd
Lucky Numbers
36th
Lucky Tickets
27th
Mahjong
12th
Mandelbrot
7th
Maze
21st
Medal Tally
12th
Morse Decoder
14th
Morse Encoder
16th
Musical Chords
21st
N Queens
8th
Niven Numbers
50th
Niven Numbers (Long)
1st
Number Spiral
13th
Odious Numbers
68th
Odious Numbers (Long)
42nd
Ordinal Numbers
22nd
PalindromemordnilaP
19th
Pangram Grep
5th
Partition Numbers
7th29th
Pascal’s Triangle
71st
Pernicious Numbers
61st
Pernicious Numbers (Long)
36th
Poker
11th
Polyominoes
9th
Prime Numbers
29th
Prime Numbers (Long)
1st
Proximity Grid
19th
QR Decoder
8th
Quine
Recamán
41st
Repeating Decimals
21st
Reverse Polish Notation
15th
Reversi
18th
Rijndael S-box
20th
Rock-paper-scissors-Spock-lizard
31st
Roman to Arabic
36th
ROT13
7th1st11th1st1st2nd
Rule 110
36th
Scrambled Sort
5th
Set
10th
Seven Segment
13th
SI Units
6th
Sierpiński Triangle
34th
Smith Numbers
12th
Spelling Numbers
14th
Star Wars GPT
8th
Star Wars Opening Crawl
19th
Sudoku
22nd
Sudoku (Fill-in)
24th
Ten-pin Bowling
24th
Tic-tac-toe
30th
Time Distance
11th
Tongue-twisters
16th
Topological Sort
20th
Tower of Hanoi
30th
Transpose Sentence
25th
Trinomial Triangle
31st
United States
23rd
Vampire Numbers
15th
Van Eck Sequence
33rd
Zeckendorf Representation
12th
Zodiac Signs
11th
γ
17th
λ
10th
π
36th
τ
33rd
φ
48th
√2
39th
𝑒
32nd