12 Days of Christmas
17th
24 Game
53rd
99 Bottles of Beer
1st1st
Abundant Numbers
50th
Abundant Numbers (Long)
36th
Alphabetic Numbers
21st
Arabic to Roman
24th
Arithmetic Numbers
12th
Arrows
48th
Ascending Primes
3rd
ASCII Table
18th
Billiards
32nd
brainfuck
19th
Calendar
15th1st
Card Number Validation
4th
Catalan Numbers
1st
Catalan’s Constant
65th
Chess Move Validation
12th
Christmas Trees
51st
Collatz
47th
Connect Four
14th
Continued Fractions
1st
CSS Colors
15th
Cubes
17th
Day of Week
1st
DFA Simulator
23rd
Diamonds
11th
Divisors
171st
1st
Emirp Numbers
25th
Emirp Numbers (Long)
30th
Emojify
30th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
17th
Farey Sequence
5th
Fibonacci
1st63rd
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
13th
Fractions
1st
Game of Life
18th
Gijswijt’s Sequence
30th
Gray Code Decoder
42nd
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
8th
Hexdump
4th
Hilbert Curve
24th
Intersection
47th
Inventory Sequence
28th
ISBN
25th
Jacobi Symbol
25th
Kaprekar Numbers
38th
Kolakoski Constant
23rd
Kolakoski Sequence
23rd
Leap Years
8th
Levenshtein Distance
1st
Leyland Numbers
10th
ln 2
1st
Look and Say
9th
Lucky Numbers
1st
Lucky Tickets
61st
Mahjong
18th
Mandelbrot
30th
Maze
11th
Medal Tally
1st
Minesweeper
11th
Morse Decoder
26th
Morse Encoder
17th
Multitap Input
22nd
Musical Chords
27th
N Queens
5th
Nim
5th
Niven Numbers
1st
Niven Numbers (Long)
1st
Number Spiral
39th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
49th
Pangram Grep
34th
Partition Numbers
48th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
26th
Polyominoes
20th
Prime Numbers
1st
Prime Numbers (Long)
1st
Proximity Grid
19th
QR Decoder
12th
Quine
90th
Recamán
1st
Repeating Decimals
34th
Reverse Polish Notation
26th
Reversi
7th
Rijndael S-box
37th
Rock-paper-scissors-Spock-lizard
25th
Roman to Arabic
27th
ROT13
1st
Rule 110
13th
Scrambled Sort
14th
Set
15th
Seven Segment
36th
SI Units
29th
Sierpiński Triangle
41st
Smith Numbers
16th
Spelling Numbers
16th
Star Wars GPT
1st
Star Wars Opening Crawl
4th
Sudoku
25th
Sudoku (Fill-in)
4th
Taxicab Numbers
1st
Ten-pin Bowling
24th
Tic-tac-toe
13th
Time Distance
5th
Tongue-twisters
21st
Topological Sort
27th
Tower of Hanoi
41st
Transpose Sentence
22nd
Trinomial Triangle
1st
Ulam Sequence
18th
United States
19th
Vampire Numbers
8th
Van Eck Sequence
66th
Zeckendorf Representation
56th
Zodiac Signs
15th
γ
29th
λ
44th
π
47th
τ
39th
φ
1st
√2
1st
𝑒
1st