12 Days of Christmas
21st
24 Game
9th
99 Bottles of Beer
17th
Abundant Numbers
1st
11th
Abundant Numbers (Long)
1st
80th
Arabic to Roman
3rd
Arithmetic Numbers
24th
Arrows
7th
8th
Ascending Primes
39th
ASCII Table
17th
Billiards
16th
brainfuck
36th
Calendar
1st
Card Number Validation
19th
Catalan Numbers
1st
Catalan’s Constant
14th
Christmas Trees
18th
Collatz
26th
37th
CSS Colors
1st
5th
Cubes
23rd
Day of Week
7th
8th
1st
DFA Simulator
32nd
Diamonds
27th
16th
65th
Divisors
28th
353rd
Emirp Numbers
20th
104th
Emirp Numbers (Long)
18th
24th
Emojify
36th
Evil Numbers
1st
311th
Evil Numbers (Long)
1st
210th
17th
Factorial Factorisation
13th
Farey Sequence
53rd
Fibonacci
44th
163rd
Fizz Buzz
559th1,347th38th
284th58th
320th
Foo Fizz Buzz Bar
22nd
1st
Forsyth–Edwards Notation
7th
14th
Fractions
24th
10th
1st
Game of Life
10th
27th
Gijswijt’s Sequence
8th
Happy Numbers
12th90th
1st
1st
Happy Numbers (Long)
1st
35th
Hexdump
54th
Hilbert Curve
2nd2nd
2nd2nd
💎
💎
2nd
Intersection
32nd
Inventory Sequence
30th
ISBN
27th
14th22nd
18th
66th
Jacobi Symbol
16th
Kaprekar Numbers
11th
Kolakoski Constant
2nd
Kolakoski Sequence
19th
Leap Years
18th
90th
Levenshtein Distance
40th
Leyland Numbers
8th
ln 2
68th
Look and Say
8th
6th
Lucky Numbers
41st
12th
24th
Lucky Tickets
33rd
Mahjong
💎
Mandelbrot
21st
Maze
21st
Medal Tally
19th
Minesweeper
30th
Morse Decoder
23rd
Morse Encoder
8th
Musical Chords
10th
N Queens
4th
Niven Numbers
20th
76th
Niven Numbers (Long)
20th
42nd
Number Spiral
33rd
Odious Numbers
1st
153rd
Odious Numbers (Long)
1st
109th
Ordinal Numbers
12th
70th
PalindromemordnilaP
27th
Pangram Grep
27th34th
198th7th
8th
42nd
96th
16th22nd
Partition Numbers
23rd
Pascal’s Triangle
32nd
24th
1st
Pernicious Numbers
20th
109th
Pernicious Numbers (Long)
22nd
37th
Poker
17th
Polyominoes
5th
Prime Numbers
41st1st
45th
157th
Prime Numbers (Long)
1st
44th
52nd
Proximity Grid
9th
QR Decoder
11th
Quine
72nd
Recamán
26th
Repeating Decimals
1st
Reverse Polish Notation
3rd
Reversi
20th
Rijndael S-box
15th
Rock-paper-scissors-Spock-lizard
16th
Roman to Arabic
34th
ROT13
58th
Rule 110
24th
Scrambled Sort
7th
Set
34th
Seven Segment
21st
SI Units
2nd
Sierpiński Triangle
17th
Smith Numbers
16th
Spelling Numbers
8th
Star Wars GPT
1st
Star Wars Opening Crawl
8th
Sudoku
8th
Sudoku (Fill-in)
3rd
Ten-pin Bowling
6th
Tic-tac-toe
21st
Time Distance
6th
14th
Tongue-twisters
54th
Topological Sort
12th
Tower of Hanoi
58th
Transpose Sentence
3rd
Trinomial Triangle
20th
United States
51st
Vampire Numbers
22nd
Van Eck Sequence
1st
Zeckendorf Representation
25th
Zodiac Signs
16th
γ
3rd
λ
2nd
π
16th
τ
11th
φ
48th
√2
101st
𝑒
93rd38th