12 Days of Christmas
26th
24 Game
11th
99 Bottles of Beer
8th
Abundant Numbers
6th
Abundant Numbers (Long)
8th
Arabic to Roman
19th
Arithmetic Numbers
11th
Arrows
14th
Ascending Primes
3rd
ASCII Table
1st
Billiards
18th
brainfuck
20th
Calendar
1st
Card Number Validation
2nd
Catalan Numbers
1st
Catalan’s Constant
9th
Christmas Trees
8th
43rd
Collatz
113th91st
8th
Continued Fractions
1st
CSS Colors
16th
Cubes
7th
Day of Week
1st
DFA Simulator
10th
Diamonds
14th
1st
Divisors
143rd26th
1st
Emirp Numbers
5th
Emirp Numbers (Long)
17th
Emojify
1st
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
5th
Farey Sequence
1st
Fibonacci
14th1st
56th1st65th1st8th
Fizz Buzz
31st38th
1st
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
11th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
13th
Happy Numbers
1st
Happy Numbers (Long)
7th
Hexdump
1st
Hilbert Curve
7th
Intersection
19th
Inventory Sequence
18th
ISBN
17th
Jacobi Symbol
13th
Kaprekar Numbers
4th
Kolakoski Constant
9th
Kolakoski Sequence
15th
Leap Years
7th9th
Levenshtein Distance
1st
Leyland Numbers
8th
ln 2
1st
Look and Say
12th
Lucky Numbers
12th
Lucky Tickets
1st
Mahjong
4th
Mandelbrot
1st
Maze
5th
Medal Tally
13th
Minesweeper
💎
Morse Decoder
7th
Morse Encoder
10th
Multitap Input
3rd
Musical Chords
8th
N Queens
12th
Niven Numbers
65th29th
1st
Niven Numbers (Long)
1st
Number Spiral
17th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
5th
PalindromemordnilaP
1st
Pangram Grep
1st
Partition Numbers
2nd
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
5th
Polyominoes
💎
Prime Numbers
156th51st
1st
9th
Prime Numbers (Long)
1st
Proximity Grid
4th
QR Decoder
19th
Quine
1st
13th
Recamán
8th
Repeating Decimals
1st
Reverse Polish Notation
3rd
Reversi
9th
Rijndael S-box
18th
Rock-paper-scissors-Spock-lizard
15th
Roman to Arabic
1st
ROT13
1st
Rule 110
1st
Scrambled Sort
7th
Set
1st
Seven Segment
14th
Sierpiński Triangle
14th
Smith Numbers
13th
Spelling Numbers
7th
Star Wars GPT
1st
Star Wars Opening Crawl
13th
Ten-pin Bowling
6th
Tic-tac-toe
10th
Time Distance
6th
Tongue-twisters
13th
Topological Sort
10th
Tower of Hanoi
12th1st
Transpose Sentence
3rd
Trinomial Triangle
1st
United States
5th
Vampire Numbers
33rd
Van Eck Sequence
1st
Zeckendorf Representation
20th
Zodiac Signs
16th
γ
16th
λ
22nd
π
1st
τ
5th
φ
1st
√2
1st
𝑒
1st