12 Days of Christmas
33rd
24 Game
11th
99 Bottles of Beer
10th
Abundant Numbers
7th
Abundant Numbers (Long)
1st
6th
Alphabetic Numbers
5th
Arabic to Roman
22nd
Arithmetic Numbers
12th
Arrows
16th
Ascending Primes
3rd
ASCII Table
1st
Billiards
8th
brainfuck
22nd
Calendar
1st
Card Number Validation
4th
Catalan Numbers
1st
Catalan’s Constant
13th
Christmas Trees
9th
6th
Collatz
119th96th
11th
Connect Four
4th
Continued Fractions
1st
CSS Colors
15th
Cubes
12th
Day of Week
1st
DFA Simulator
16th
Diamonds
14th
1st
Divisors
150th28th
1st
Emirp Numbers
5th
Emirp Numbers (Long)
2nd
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
4th2nd
57th1st72nd1st10th
Fizz Buzz
31st38th
1st
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
12th
Fractions
1st
Game of Life
16th
Gijswijt’s Sequence
18th
Gray Code Decoder
8th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
8th
Hexdump
4th
Hilbert Curve
17th
Intersection
19th
Inventory Sequence
9th
ISBN
1st
Jacobi Symbol
18th
Kaprekar Numbers
5th
Kolakoski Constant
10th
Kolakoski Sequence
18th
Leap Years
8th12th
Levenshtein Distance
1st
Leyland Numbers
10th
ln 2
1st
Look and Say
12th
Lucky Numbers
18th
Lucky Tickets
1st
Mahjong
9th
5th
Mandelbrot
1st
Maze
3rd
Medal Tally
18th
Minesweeper
💎
Morse Decoder
8th
Morse Encoder
14th
Multitap Input
3rd
Musical Chords
11th
N Queens
17th
Nim
1st
Niven Numbers
67th30th
1st
Niven Numbers (Long)
1st
Number Spiral
16th
21st
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
3rd
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
9th
Polyominoes
2nd
Prime Numbers
162nd57th
1st
9th
Prime Numbers (Long)
1st
Proximity Grid
4th
QR Decoder
23rd
Quine
1st
13th
Recamán
8th
Repeating Decimals
1st
Reverse Polish Notation
5th
Reversi
14th
Rijndael S-box
19th
Rock-paper-scissors-Spock-lizard
1st
Roman to Arabic
1st
ROT13
1st
Rule 110
1st
Scrambled Sort
14th
Set
3rd
Seven Segment
18th
SI Units
1st
Sierpiński Triangle
14th
Smith Numbers
18th
Spelling Numbers
9th
Star Wars GPT
6th
1st
Star Wars Opening Crawl
16th
Sudoku
2nd
Sudoku (Fill-in)
8th
Taxicab Numbers
1st
Ten-pin Bowling
7th
Tic-tac-toe
5th
Time Distance
7th
Tongue-twisters
15th
Topological Sort
13th
Tower of Hanoi
15th1st
Transpose Sentence
9th
5th
Trinomial Triangle
1st
Ulam Sequence
3rd
United States
7th
Vampire Numbers
13th
Van Eck Sequence
1st
Zeckendorf Representation
24th
Zodiac Signs
17th
γ
19th
λ
11th
22nd
π
1st
τ
5th
φ
1st
√2
1st
𝑒
1st