12 Days of Christmas
3rd9th
24 Game
7th
99 Bottles of Beer
💎21st
Abundant Numbers
17th3rd26th120th
Abundant Numbers (Long)
3rd
Arabic to Roman
6th7th
Arithmetic Numbers
22nd
Arrows
13th
Ascending Primes
9th
ASCII Table
7th
Billiards
6th
brainfuck
3rd13th
Card Number Validation
4th
Catalan Numbers
5th
Catalan’s Constant
11th
Christmas Trees
10th15th
Collatz
39th
CSS Colors
9th8th
Cubes
10th9th
Day of Week
1st
DFA Simulator
2nd
Diamonds
4th8th109th
Divisors
24th
14th30th108th
Emirp Numbers
13th12th5th242nd
Emirp Numbers (Long)
3rd
Emojify
8th
Evil Numbers
8th19th10th14th342nd
Evil Numbers (Long)
7th
Factorial Factorisation
5th
Farey Sequence
15th
Fibonacci
16th34th1st1st163rd
Fizz Buzz
2nd1st194th
Foo Fizz Buzz Bar
2nd
Forsyth–Edwards Notation
3rd
Fractions
4th
Game of Life
11th
Gijswijt’s Sequence
4th
Happy Numbers
19th1st8th
Happy Numbers (Long)
1st
Hexdump
5th
Intersection
8th11th
Inventory Sequence
8th
ISBN
1st
Jacobi Symbol
7th
Kaprekar Numbers
7th
Kolakoski Constant
8th13th
Kolakoski Sequence
13th5th24th
Leap Years
19th9th9th1st159th
Levenshtein Distance
3rd6th
Leyland Numbers
11th2nd17th
Look and Say
💎1st
Lucky Numbers
3rd
Lucky Tickets
5th17th
Mandelbrot
10th
Maze
2nd
Medal Tally
8th
Morse Decoder
6th15th
Morse Encoder
6th12th
Musical Chords
4th
N Queens
6th
Niven Numbers
9th1st
Niven Numbers (Long)
7th
Number Spiral
6th
Odious Numbers
20th8th38th
Odious Numbers (Long)
7th
Ordinal Numbers
4th1st154th
PalindromemordnilaP
4th
Pangram Grep
4th1st
Partition Numbers
8th
Pascal’s Triangle
8th20th
Pernicious Numbers
30th53rd
Pernicious Numbers (Long)
3rd
Poker
3rd
Prime Numbers
10th20th10th1st
Prime Numbers (Long)
21st
Proximity Grid
5th
Quine
1st29th
Recamán
13th8th25th
Repeating Decimals
2nd
Reverse Polish Notation
5th
Rijndael S-box
20th
Rock-paper-scissors-Spock-lizard
4th7th
Roman to Arabic
6th11th
ROT13
4th
Rule 110
4th15th
Scrambled Sort
1st
Seven Segment
4th15th
SI Units
7th
Sierpiński Triangle
9th25th
Smith Numbers
15th9th
Spelling Numbers
7th2nd
Star Wars Opening Crawl
💎
Sudoku
2nd5th
Sudoku (Fill-in)
8th
Ten-pin Bowling
3rd9th
Tic-tac-toe
2nd
Time Distance
10th
Tongue-twisters
2nd9th
Transpose Sentence
5th
United States
6th
Vampire Numbers
18th3rd14th
Van Eck Sequence
16th6th
Zeckendorf Representation
3rd
Zodiac Signs
4th
γ
9th
λ
5th23rd60th
π
9th34th
τ
7th26th
φ
8th20th
√2
1st22nd187th
𝑒
3rd30th