12 Days of Christmas
2nd
24 Game
2nd
99 Bottles of Beer
11th
Abundant Numbers
9th535th
Abundant Numbers (Long)
1st
Alphabetic Numbers
3rd
Arabic to Roman
8th
Arithmetic Numbers
18th
Arrows
4th
Ascending Primes
15th
ASCII Table
13th
Billiards
7th
brainfuck
12th
Calendar
5th
Card Number Validation
9th
Catalan Numbers
1st
Catalan’s Constant
6th
Chess Move Validation
7th
Christmas Trees
9th
Collatz
3rd
Connect Four
7th
Continued Fractions
5th
CSS Colors
6th
Cubes
8th
Day of Week
1st
DFA Simulator
8th
Diamonds
1st
Divisors
11th
22nd
Emirp Numbers
11th
Emirp Numbers (Long)
7th
Emojify
6th
Evil Numbers
15th
Evil Numbers (Long)
14th
Factorial Factorisation
11th
Farey Sequence
13th
Fibonacci
10th
1st
Fizz Buzz
60th
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
8th
Fractions
1st
Game of Life
3rd
Gijswijt’s Sequence
8th
Gray Code Decoder
6th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
1st
Hexdump
7th
Hilbert Curve
3rd
Intersection
1st
Inventory Sequence
11th
ISBN
22nd
Jacobi Symbol
8th
Kaprekar Numbers
16th
Kolakoski Constant
8th
Kolakoski Sequence
13th
Leap Years
9th
1st
Levenshtein Distance
5th
Leyland Numbers
7th
ln 2
1st
Look and Say
1st
Lucky Numbers
9th
Lucky Tickets
1st
Mahjong
3rd
Mandelbrot
11th
Maze
6th
Medal Tally
11th
Minesweeper
5th
Morse Decoder
8th
Morse Encoder
10th
Multitap Input
1st
Musical Chords
7th
N Queens
5th
Nim
7th
Niven Numbers
23rd
1st
Niven Numbers (Long)
1st
Number Spiral
5th
Odious Numbers
12th
Odious Numbers (Long)
12th
Ordinal Numbers
1st
PalindromemordnilaP
1st8th
Pangram Grep
1st
Partition Numbers
2nd
Pascal’s Triangle
17th
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
6th
Polyominoes
4th
Prime Numbers
13th
1st
Prime Numbers (Long)
1st
Proximity Grid
10th
QR Decoder
2nd
Quine
1st95th
Recamán
14th
1st
Repeating Decimals
3rd
Reverse Polish Notation
1st
Reversi
12th
Rijndael S-box
3rd
Rock-paper-scissors-Spock-lizard
11th
Roman to Arabic
8th
ROT13
10th
Rule 110
11th
Scrambled Sort
1st
Semiprime Numbers
3rd
Set
5th
Seven Segment
12th
SI Units
2nd
Sierpiński Triangle
1st
Smith Numbers
2nd
Snake
7th
Spelling Numbers
4th
Sphenic Numbers
4th
Star Wars GPT
2nd
Star Wars Opening Crawl
7th
Sudoku
4th
4th
Sudoku (Fill-in)
3rd
Taxicab Numbers
💎
Ten-pin Bowling
9th
Tic-tac-toe
1st
Time Distance
7th
Tongue-twisters
5th
Topological Sort
4th
Tower of Hanoi
1st
Transpose Sentence
8th
Trinomial Triangle
4th
Ulam Sequence
3rd
United States
6th
Vampire Numbers
4th
Van Eck Sequence
1st
Zeckendorf Representation
8th
Zodiac Signs
10th
γ
10th
λ
10th
π
13th
τ
1st
φ
1st
√2
1st
𝑒
1st