12 Days of Christmas
63rd
12th
24 Game
14th
5th
99 Bottles of Beer
35th
Abundant Numbers
23rd
776th
Abundant Numbers (Long)
23rd
419th
Alphabetic Numbers
3rd
Arabic to Roman
16th
Arithmetic Numbers
24th
Arrows
18th
18th
21st
17th
21st
Ascending Primes
17th
ASCII Table
24th
Billiards
7th
Calendar
9th
Card Number Validation
38th
20th
Catalan Numbers
12th
Catalan’s Constant
10th
Chess Move Validation
7th
Christmas Trees
42nd
17th
Collatz
8th13th
22nd22nd20th25th202nd59th105th14th13th10th56th10th22nd23rd25th14th
10th14th13th15th12th43rd39th15th
19th22nd19th3rd253rd
38th41st17th34th18th
13th35th44th32nd20th613th20th18th
73rd74th16th
22nd
9th13th10th24th
Connect Four
7th
8th
18th
6th
Continued Fractions
7th
CSS Colors
17th
22nd113th
24th
6th
Cubes
7th
Day of Week
19th
DFA Simulator
10th62nd
Diamonds
33rd
13th
25th
78th
Divisors
11th
Emirp Numbers
30th32nd
15th
Emirp Numbers (Long)
16th
6th
Emojify
18th
Evil Numbers
112th107th
28th
67th
Evil Numbers (Long)
23rd
Factorial Factorisation
10th
8th
Farey Sequence
12th
Fibonacci
173rd
53rd
1,438th
76th
Fizz Buzz
1st
2,222nd
Foo Fizz Buzz Bar
8th
Forsyth–Edwards Notation
20th
Fractions
18th
Game of Life
24th
12th
Gijswijt’s Sequence
20th
Gray Code Decoder
16th
Gray Code Encoder
17th
Happy Numbers
34th33rd
42nd
23rd
Happy Numbers (Long)
13th
Hexdump
13th
Hilbert Curve
9th
Intersection
9th
Inventory Sequence
17th
ISBN
32nd
25th
24th
22nd
27th
Jacobi Symbol
14th
Kaprekar Numbers
15th
Kolakoski Constant
9th
Kolakoski Sequence
17th
Leap Years
31st
Levenshtein Distance
8th
18th10th
10th
Leyland Numbers
8th
ln 2
15th
Look and Say
12th
17th
Lucky Numbers
37th
16th
Lucky Tickets
10th
Mahjong
25th
5th
Mandelbrot
11th
Medal Tally
11th
Minesweeper
13th3rd
19th
9th
Morse Decoder
9th
Morse Encoder
11th
Multitap Input
4th
Musical Chords
32nd
15th
10th
7th
N Queens
20th
Nim
13th
Niven Numbers
25th
272nd
Niven Numbers (Long)
73rd
24th
479th
Number Spiral
15th
11th
Odious Numbers
28th
Odious Numbers (Long)
20th
Ordinal Numbers
16th
PalindromemordnilaP
10th
Pangram Grep
20th
18th50th
26th
67th
26th
26th
98th
16th23rd
Partition Numbers
13th
Pascal’s Triangle
17th
44th
Pernicious Numbers
63rd76th
35th
Pernicious Numbers (Long)
19th
Poker
13th
9th
Polyominoes
4th
Prime Numbers
19th
1,022nd
Prime Numbers (Long)
22nd
10th
522nd
Quine
6th
90th
Recamán
19th
Repeating Decimals
8th
Reverse Polish Notation
11th
Rijndael S-box
48th24th
18th
Rock-paper-scissors-Spock-lizard
14th13th
Roman to Arabic
49th
23rd
26th
19th
ROT13
13th
39th
Rule 110
16th
Scrambled Sort
21st
20th
8th
9th
Set
13th
10th
Seven Segment
15th
SI Units
10th
Sierpiński Triangle
11th
Smith Numbers
10th
Spelling Numbers
8th
Star Wars GPT
10th
5th
Sudoku
6th
Sudoku (Fill-in)
11th
Taxicab Numbers
12th
Ten-pin Bowling
13th
19th
Tic-tac-toe
9th
Time Distance
9th
Tongue-twisters
16th
Tower of Hanoi
36th14th
15th
35th22nd24th
29th
30th39th
133rd
9th
Transpose Sentence
15th
19th
Trinomial Triangle
9th
Ulam Sequence
8th
United States
10th
9th
Vampire Numbers
16th
9th
Van Eck Sequence
17th
Zeckendorf Representation
16th
Zodiac Signs
7th
10th
130th
7th
γ
13th
λ
8th
13th
9th
4th
π
16th
7th
τ
16th
φ
5th
√2
1st
𝑒
14th
44th