12 Days of Christmas
8th
24 Game
39th
99 Bottles of Beer
1st1st
Abundant Numbers
54th
Abundant Numbers (Long)
32nd
Arabic to Roman
20th
Arithmetic Numbers
10th
Arrows
48th
Ascending Primes
22nd
ASCII Table
34th
Billiards
19th
brainfuck
14th
Card Number Validation
14th
Catalan Numbers
1st
Catalan’s Constant
48th
Christmas Trees
56th
Collatz
36th
CSS Colors
45th
Cubes
20th
Day of Week
1st
DFA Simulator
16th
Diamonds
28th
Divisors
162nd
1st
Emirp Numbers
22nd
Emirp Numbers (Long)
21st
Emojify
31st
Evil Numbers
1st
Evil Numbers (Long)
38th
Factorial Factorisation
16th
Farey Sequence
28th
Fibonacci
1st
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
23rd
Fractions
1st
Game of Life
12th
Gijswijt’s Sequence
28th
Happy Numbers
1st
Happy Numbers (Long)
23rd
Hexdump
39th
Hilbert Curve
10th
Intersection
48th
Inventory Sequence
47th
ISBN
20th
Jacobi Symbol
19th
Kaprekar Numbers
28th
Kolakoski Constant
27th
Kolakoski Sequence
73rd
Leap Years
14th
Levenshtein Distance
39th
Leyland Numbers
8th
ln 2
1st
Look and Say
22nd
Lucky Numbers
11th
Lucky Tickets
50th
Mahjong
12th
Mandelbrot
30th
Maze
11th
Medal Tally
17th
Minesweeper
10th
Morse Decoder
22nd
Morse Encoder
19th
Musical Chords
16th
N Queens
32nd
Niven Numbers
39th
Niven Numbers (Long)
42nd
Number Spiral
23rd
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
PalindromemordnilaP
40th
Pangram Grep
60th
Partition Numbers
42nd
Pascal’s Triangle
78th
Pernicious Numbers
159th
Pernicious Numbers (Long)
64th
Poker
14th
Polyominoes
17th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
21st
QR Decoder
9th
Quine
72nd
Recamán
52nd
Repeating Decimals
30th
Reverse Polish Notation
55th
Reversi
9th
Rijndael S-box
24th
Rock-paper-scissors-Spock-lizard
20th
Roman to Arabic
33rd
ROT13
57th
Rule 110
69th
Scrambled Sort
7th
Set
33rd
Seven Segment
22nd
SI Units
15th
Sierpiński Triangle
33rd
Smith Numbers
24th
Spelling Numbers
12th
Star Wars GPT
1st
Star Wars Opening Crawl
2nd
Sudoku
23rd
Sudoku (Fill-in)
8th
Ten-pin Bowling
18th
Tic-tac-toe
10th
Time Distance
4th
Tongue-twisters
15th
Topological Sort
18th
Tower of Hanoi
28th
Transpose Sentence
19th
Trinomial Triangle
19th
United States
14th
Vampire Numbers
22nd
Van Eck Sequence
68th
Zeckendorf Representation
46th
Zodiac Signs
14th
γ
21st
λ
28th
π
53rd
τ
41st
φ
57th
√2
1st
𝑒
1st