12 Days of Christmas
2nd
24 Game
99 Bottles of Beer
7th
Abundant Numbers
3rd
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
16th
Ascending Primes
9th
5th
ASCII Table
12th
Billiards
2nd
brainfuck
Card Number Validation
5th
Catalan Numbers
5th
Catalan’s Constant
8th
Christmas Trees
19th
Collatz
CSS Colors
1st
1st
Cubes
Day of Week
1st
1st
DFA Simulator
2nd
Diamonds
Divisors
17th
43rd
Emirp Numbers
1st
Emirp Numbers (Long)
Emojify
6th
Evil Numbers
29th1st
Evil Numbers (Long)
32nd7th
Factorial Factorisation
1st
Farey Sequence
21st13th17th
Fibonacci
43rd38th50th
Fizz Buzz
1st
Foo Fizz Buzz Bar
6th
Forsyth–Edwards Notation
7th
Fractions
7th
Game of Life
5th
Gijswijt’s Sequence
Happy Numbers
8th1st5th
Happy Numbers (Long)
11th
Hexdump
11th
Intersection
3rd
Inventory Sequence
7th
ISBN
7th
Jacobi Symbol
Kaprekar Numbers
1st
Kolakoski Constant
6th
Kolakoski Sequence
17th
Leap Years
18th
Levenshtein Distance
12th
Leyland Numbers
5th
ln 2
7th
Look and Say
4th
Lucky Numbers
6th
Lucky Tickets
5th
Mahjong
3rd
Maze
💎
Medal Tally
14th
Morse Decoder
Morse Encoder
5th
Musical Chords
6th
N Queens
Niven Numbers
71st1st
Niven Numbers (Long)
6th
Number Spiral
6th
Odious Numbers
29th1st
Odious Numbers (Long)
25th7th
Ordinal Numbers
9th
PalindromemordnilaP
8th
Pangram Grep
💎9th💎
Partition Numbers
Pascal’s Triangle
25th
Pernicious Numbers
1st
Pernicious Numbers (Long)
3rd
Poker
6th
Polyominoes
5th
Prime Numbers
29th1st24th
Prime Numbers (Long)
23rd10th22nd
Proximity Grid
QR Decoder
7th
Quine
63rd
Recamán
5th
Repeating Decimals
3rd
Reverse Polish Notation
6th
Reversi
2nd
Rijndael S-box
💎💎💎💎
💎3rd💎💎4th💎💎
Rock-paper-scissors-Spock-lizard
18th
Roman to Arabic
18th
ROT13
9th
Rule 110
5th
Seven Segment
8th
SI Units
💎
Sierpiński Triangle
Smith Numbers
Spelling Numbers
2nd
Star Wars Opening Crawl
Sudoku
4th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
Tic-tac-toe
3rd
Time Distance
Tongue-twisters
10th
Transpose Sentence
1st
United States
2nd
Vampire Numbers
5th
Van Eck Sequence
13th
Zeckendorf Representation
Zodiac Signs
6th
γ
5th
λ
4th
π
8th
τ
8th
φ
9th
√2
9th
𝑒
13th