12 Days of Christmas
30th
24 Game
11th
99 Bottles of Beer
10th
Abundant Numbers
7th
Abundant Numbers (Long)
1st
8th
Alphabetic Numbers
4th
Arabic to Roman
21st
Arithmetic Numbers
10th
Arrows
16th
Ascending Primes
3rd
ASCII Table
1st
Billiards
6th
brainfuck
22nd
Calendar
1st
Card Number Validation
2nd
Catalan Numbers
1st
Catalan’s Constant
10th
Christmas Trees
9th
6th
Collatz
115th94th
10th
Connect Four
8th
Continued Fractions
1st
CSS Colors
13th
Cubes
10th
Day of Week
1st
DFA Simulator
11th
Diamonds
14th
1st
Divisors
147th27th
1st
Emirp Numbers
5th
Emirp Numbers (Long)
1st
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
14th1st
56th1st71st1st9th
Fizz Buzz
31st38th
1st
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
12th
Fractions
1st
Game of Life
15th
Gijswijt’s Sequence
16th
Gray Code Decoder
7th
Gray Code Encoder
1st
Happy Numbers
1st
Happy Numbers (Long)
7th
Hexdump
1st
Hilbert Curve
11th
Intersection
19th
Inventory Sequence
24th
ISBN
1st
Jacobi Symbol
16th
Kaprekar Numbers
5th
Kolakoski Constant
9th
Kolakoski Sequence
16th
Leap Years
8th12th
Levenshtein Distance
1st
Leyland Numbers
8th
ln 2
1st
Look and Say
12th
Lucky Numbers
14th
Lucky Tickets
1st
Mahjong
8th
5th
Mandelbrot
1st
Maze
5th
Medal Tally
16th
Minesweeper
💎
Morse Decoder
7th
Morse Encoder
11th
Multitap Input
3rd
Musical Chords
11th
N Queens
15th
Niven Numbers
65th29th
1st
Niven Numbers (Long)
1st
Number Spiral
16th
19th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
7th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
2nd
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
7th
Polyominoes
2nd
Prime Numbers
159th54th
1st
9th
Prime Numbers (Long)
1st
Proximity Grid
4th
QR Decoder
20th
Quine
1st
13th
Recamán
8th
Repeating Decimals
1st
Reverse Polish Notation
3rd
Reversi
10th
Rijndael S-box
18th
Rock-paper-scissors-Spock-lizard
1st
Roman to Arabic
1st
ROT13
1st
Rule 110
1st
Scrambled Sort
11th
Set
1st
Seven Segment
16th
SI Units
1st
Sierpiński Triangle
14th
Smith Numbers
15th
Spelling Numbers
8th
Star Wars GPT
6th
1st
Star Wars Opening Crawl
14th
Taxicab Numbers
1st
Ten-pin Bowling
6th
Tic-tac-toe
5th
Time Distance
6th
Tongue-twisters
14th
Topological Sort
11th
Tower of Hanoi
15th1st
Transpose Sentence
9th
4th
Trinomial Triangle
1st
United States
6th
Vampire Numbers
9th
Van Eck Sequence
1st
Zeckendorf Representation
23rd
Zodiac Signs
17th
γ
18th
λ
11th
20th
π
1st
τ
5th
φ
1st
√2
1st
𝑒
1st