12 Days of Christmas
4th
18th
1st
5th
24 Game
5th
7th
2nd
99 Bottles of Beer
6th
11th
6th
Abundant Numbers
18th
53rd
1st
Abundant Numbers (Long)
14th
14th
1st
Arabic to Roman
9th
43rd
7th
20th
3rd
Arithmetic Numbers
13th
11th
Arrows
10th
14th
Ascending Primes
11th
23rd
ASCII Table
11th
16th
3rd
Billiards
5th
7th
brainfuck
7th
7th
15th
Card Number Validation
4th
1st
12th
2nd
Catalan Numbers
4th
1st
Catalan’s Constant
11th
1st
33rd
Christmas Trees
10th
22nd
13th
4th
Collatz
21st
67th
7th
33rd
5th
CSS Colors
23rd
1st
29th
3rd
Cubes
8th
19th
Day of Week
15th
1st
1st1st
3rd
DFA Simulator
3rd
21st
3rd
6th
💎
Diamonds
9th
17th
💎
Divisors
23rd
165th
1st
1st
4th
Emirp Numbers
16th
10th
12th
4th
Emirp Numbers (Long)
8th
21st
Emojify
11th
17th
2nd
Evil Numbers
8th
62nd
10th
1st
4th
14th
Evil Numbers (Long)
18th
41st
9th
35th
3rd
Factorial Factorisation
6th
14th
21st
11th
5th
Farey Sequence
12th
19th
5th
18th
1st
Fibonacci
13th9th15th8th42nd18th15th
23rd45th47th
28th
19th
29th
16th1st
6th1st
32nd13th48th1st
24th7th7th
32nd41st
Fizz Buzz
13th
17th1st
8th
20th
3rd
Foo Fizz Buzz Bar
17th
33rd
17th
4th
Forsyth–Edwards Notation
12th
5th
13th
2nd
Fractions
12th
1st
1st
2nd1st
Game of Life
8th
16th
20th
5th
10th
1st
Gijswijt’s Sequence
8th
4th
11th
2nd
Happy Numbers
16th
8th
34th
5th
Happy Numbers (Long)
10th
18th
4th
Hexdump
14th
36th
Hilbert Curve
10th
Intersection
13th
34th
17th
Inventory Sequence
13th
10th
22nd
3rd
ISBN
10th
29th
10th
3rd
Jacobi Symbol
11th
24th
Kaprekar Numbers
18th
28th
53rd
💎
Kolakoski Constant
8th
5th
21st
Kolakoski Sequence
11th
40th
6th
13th
4th
Leap Years
31st
178th
110th
4th
Levenshtein Distance
10th
16th
Leyland Numbers
16th
1st
4th
ln 2
19th
1st
5th
Look and Say
16th
15th
2nd11th
29th
2nd
Lucky Numbers
10th
12th
3rd
Lucky Tickets
16th
26th
Mahjong
10th
10th
Mandelbrot
9th
7th
💎
Maze
11th
20th
Medal Tally
3rd
26th
5th
1st
3rd
Morse Decoder
6th
9th
Morse Encoder
7th
9th
Musical Chords
8th
14th
N Queens
5th
16th
9th
💎
Niven Numbers
27th
1st
36th
7th
Niven Numbers (Long)
17th
16th
35th
4th
Number Spiral
5th
4th
3rd
Odious Numbers
9th
52nd
10th
1st
4th
Odious Numbers (Long)
9th
36th
9th
1st
3rd
Ordinal Numbers
15th
3rd
💎
PalindromemordnilaP
3rd
19th
5th
8th
3rd
Pangram Grep
7th
26th
12th34th18th
8th
40th17th
31st
3rd
13th11th
Partition Numbers
14th
14th
28th
💎
Pascal’s Triangle
17th
40th
40th
41st
6th
Pernicious Numbers
19th
1st
3rd
Pernicious Numbers (Long)
15th
1st
3rd
Poker
3rd
8th
Polyominoes
7th
10th
💎
Prime Numbers
33rd
80th
85th
16th
50th
1st
Prime Numbers (Long)
25th
65th
42nd
15th
1st
5th
Proximity Grid
7th
12th
💎
QR Decoder
7th
14th
Quine
1st
1st
25th
31st1st
184th
26th1st
67th
1st
Recamán
13th
35th
20th
Repeating Decimals
16th
30th
Reverse Polish Notation
14th
52nd
30th
2nd
Reversi
8th
12th
Rijndael S-box
10th
19th
3rd
Rock-paper-scissors-Spock-lizard
8th
13th
💎
Roman to Arabic
9th
26th
1st
1st
ROT13
19th
1st
3rd
Rule 110
21st
51st
3rd
Scrambled Sort
15th
4th
💎
Set
13th
6th
2nd
Seven Segment
14th
28th
2nd
SI Units
9th
18th
Sierpiński Triangle
13th
18th
36th
💎
Smith Numbers
10th
16th
Spelling Numbers
18th77th
20th
💎
Star Wars GPT
12th
35th
2nd
Star Wars Opening Crawl
12th
11th
Sudoku
9th
16th
Sudoku (Fill-in)
8th
13th
Ten-pin Bowling
14th
18th
Tic-tac-toe
15th
23rd
9th
💎
Time Distance
11th
9th
2nd
Tongue-twisters
10th
18th
💎
Topological Sort
12th
7th
23rd
Transpose Sentence
9th
3rd
10th
4th
Trinomial Triangle
45th
💎
United States
11th
21st
23rd
💎
Vampire Numbers
5th
5th
Van Eck Sequence
7th
24th
1st
2nd
Zeckendorf Representation
3rd
18th
1st
5th
Zodiac Signs
11th
18th
γ
10th
1st5th
20th
4th
λ
10th
15th
5th
20th
4th
8th
π
9th
7th13th
1st5th
9th
3rd
τ
8th
6th13th
60th4th
7th
4th
φ
17th
9th
41st
32nd
5th
√2
18th
17th
15th
1st
5th
𝑒
17th
1st6th
1st33rd
5th