12 Days of Christmas
25th
24 Game
12th
99 Bottles of Beer
10th
Abundant Numbers
7th
Abundant Numbers (Long)
1st
8th
Alphabetic Numbers
6th
Arabic to Roman
23rd
Arithmetic Numbers
12th
Arrows
17th
Ascending Primes
3rd
ASCII Table
1st
Billiards
10th
brainfuck
24th
Calendar
1st
Card Number Validation
4th
Catalan Numbers
1st
Catalan’s Constant
15th
Chess Move Validation
8th
Christmas Trees
9th
6th
Collatz
119th96th
12th
Connect Four
4th
Continued Fractions
1st
CSS Colors
15th
Cubes
14th
Day of Week
1st
DFA Simulator
17th
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
5th
Fibonacci
4th2nd
57th1st73rd1st10th
Fizz Buzz
32nd38th
1st
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
12th
Fractions
1st
Game of Life
18th
Gijswijt’s Sequence
19th
Gray Code Decoder
8th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
8th
Hexdump
4th
Hilbert Curve
22nd
Intersection
19th
Inventory Sequence
10th
ISBN
1st
Jacobi Symbol
18th
Kaprekar Numbers
6th
Kolakoski Constant
11th
Kolakoski Sequence
19th
Leap Years
8th12th
Levenshtein Distance
1st
Leyland Numbers
10th
ln 2
1st
Look and Say
13th
Lucky Numbers
18th
Lucky Tickets
1st
Mahjong
10th
7th
Mandelbrot
1st
Maze
5th
Medal Tally
19th
Minesweeper
💎
Morse Decoder
8th
Morse Encoder
15th
Multitap Input
3rd
Musical Chords
11th
N Queens
19th
Nim
1st
Niven Numbers
68th31st
1st
Niven Numbers (Long)
1st
Number Spiral
16th
23rd
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
3rd
Prime Numbers
166th58th
1st
9th
Prime Numbers (Long)
1st
Proximity Grid
5th
QR Decoder
24th
Quine
1st
13th
Recamán
10th
Repeating Decimals
1st
Reverse Polish Notation
6th
Reversi
14th
Rijndael S-box
22nd
Rock-paper-scissors-Spock-lizard
1st
Roman to Arabic
1st
ROT13
1st
Rule 110
1st
Scrambled Sort
14th
Set
3rd
Seven Segment
19th
SI Units
3rd
Sierpiński Triangle
14th
Smith Numbers
19th
Snake
7th
Spelling Numbers
9th
Star Wars GPT
6th
1st
Star Wars Opening Crawl
16th
Sudoku
2nd
Sudoku (Fill-in)
11th
Taxicab Numbers
1st
Ten-pin Bowling
7th
Tic-tac-toe
5th
Time Distance
7th
Tongue-twisters
12th
Topological Sort
12th
Tower of Hanoi
16th1st
Transpose Sentence
9th
4th
Trinomial Triangle
1st
Ulam Sequence
3rd
United States
8th
Vampire Numbers
13th
Van Eck Sequence
1st
Zeckendorf Representation
25th
Zodiac Signs
18th
γ
19th
λ
11th
24th
π
1st
τ
6th
φ
1st
√2
1st
𝑒
1st