12 Days of Christmas
22nd
24 Game
99 Bottles of Beer
31st
Abundant Numbers
21st
Abundant Numbers (Long)
21st
Arabic to Roman
41st
Arithmetic Numbers
23rd
Arrows
33rd
Ascending Primes
25th
ASCII Table
35th
Billiards
16th
brainfuck
27th
Card Number Validation
23rd
Catalan Numbers
46th
Catalan’s Constant
24th
Christmas Trees
80th
Collatz
42nd
CSS Colors
2nd
Cubes
34th
Day of Week
99th
26th
DFA Simulator
17th
Diamonds
48th
28th
Divisors
46th
Emirp Numbers
37th
Emirp Numbers (Long)
22nd
Emojify
21st
Evil Numbers
80th
Evil Numbers (Long)
49th
Factorial Factorisation
25th
Farey Sequence
33rd
Fibonacci
9th
Fizz Buzz
1st
Foo Fizz Buzz Bar
16th
Forsyth–Edwards Notation
29th
Fractions
1st
Game of Life
16th
Gijswijt’s Sequence
27th
Happy Numbers
38th
Happy Numbers (Long)
52nd
Hexdump
28th
Hilbert Curve
17th
Intersection
35th
Inventory Sequence
31st
ISBN
28th
Jacobi Symbol
23rd
Kaprekar Numbers
20th
Kolakoski Constant
34th
Kolakoski Sequence
41st
Leap Years
32nd
Levenshtein Distance
1st
Leyland Numbers
29th
ln 2
23rd
Look and Say
48th
Lucky Numbers
32nd
Lucky Tickets
27th
Mahjong
13th
Mandelbrot
19th
Maze
20th
Medal Tally
15th
Morse Decoder
24th
Morse Encoder
28th
Musical Chords
20th
N Queens
14th
Niven Numbers
46th
Niven Numbers (Long)
1st
Number Spiral
22nd
Odious Numbers
68th
Odious Numbers (Long)
41st
Ordinal Numbers
20th
PalindromemordnilaP
24th
Pangram Grep
5th
Partition Numbers
5th25th
Pascal’s Triangle
81st
Pernicious Numbers
58th
Pernicious Numbers (Long)
37th
Poker
19th
Polyominoes
14th
Prime Numbers
24th
Prime Numbers (Long)
1st
Proximity Grid
21st
QR Decoder
12th
Quine
Recamán
43rd
Repeating Decimals
21st
Reverse Polish Notation
15th
Reversi
20th
Rijndael S-box
22nd
Rock-paper-scissors-Spock-lizard
40th
Roman to Arabic
46th
ROT13
7th1st9th1st1st2nd
Rule 110
46th
Scrambled Sort
3rd
Set
16th
Seven Segment
17th
SI Units
14th
Sierpiński Triangle
30th
Smith Numbers
29th
Spelling Numbers
18th
Star Wars GPT
16th
Star Wars Opening Crawl
25th
Sudoku
20th
Sudoku (Fill-in)
22nd
Ten-pin Bowling
28th
Tic-tac-toe
27th
Time Distance
22nd
Tongue-twisters
41st
Topological Sort
18th
Tower of Hanoi
30th
Transpose Sentence
27th
Trinomial Triangle
29th
United States
24th
Vampire Numbers
31st
Van Eck Sequence
32nd
Zeckendorf Representation
21st
Zodiac Signs
18th
γ
15th
λ
18th
π
31st
τ
29th
φ
43rd
√2
35th
𝑒
28th