12 Days of Christmas
575th
7th
24 Game
💎
99 Bottles of Beer
5th279th
6th
Abundant Numbers
217th
62nd10th
Abundant Numbers (Long)
164th
3rd
Arabic to Roman
304th
5th
Arithmetic Numbers
198th
💎
Arrows
71st
2nd
Ascending Primes
6th
ASCII Table
5th
Billiards
94th
brainfuck
237th
3rd
Card Number Validation
6th
Catalan Numbers
387th
2nd
Catalan’s Constant
3rd
Christmas Trees
443rd
5th
Collatz
196th107th
344th
9th
CSS Colors
3rd
Cubes
125th
5th
Day of Week
312th
DFA Simulator
99th
Diamonds
336th
6th
Divisors
17th271st
757th
110th9th
Emirp Numbers
395th
3rd
Emirp Numbers (Long)
193rd
3rd
Emojify
7th
Evil Numbers
33rd
85th
28th404th
75th1st
Evil Numbers (Long)
283rd
6th
Factorial Factorisation
95th
6th6th
Farey Sequence
205th
4th
Fibonacci
64th
24th370th
187th
7th
Fizz Buzz
58th
417th
1,249th232nd38th900th
10th39th38th
Foo Fizz Buzz Bar
25th
17th320th
8th
Forsyth–Edwards Notation
156th
10th
Fractions
19th
4th
Game of Life
106th
5th
Gijswijt’s Sequence
9th
Happy Numbers
353rd
13th
Happy Numbers (Long)
121st
4th
Hexdump
133rd
3rd
Intersection
191st
4th
Inventory Sequence
92nd
6th
ISBN
118th
38th6th
Kaprekar Numbers
4th
Kolakoski Constant
3rd
Kolakoski Sequence
16th
36th
11th
Leap Years
15th433rd
8th
Levenshtein Distance
193rd
Leyland Numbers
289th
2nd
ln 2
3rd
Look and Say
15th
258th
5th
Lucky Numbers
212th
5th
Lucky Tickets
119th
Maze
61st
7th
Medal Tally
81st
6th
Morse Decoder
5th
Morse Encoder
8th
N Queens
3rd
Niven Numbers
6th
315th
109th13th
Niven Numbers (Long)
158th
63rd4th
Number Spiral
4th
Odious Numbers
73rd184th
303rd
1st
Odious Numbers (Long)
248th
6th
Ordinal Numbers
1st
PalindromemordnilaP
153rd
6th
Pangram Grep
267th
1st
Pascal’s Triangle
306th
5th
Pernicious Numbers
27th
232nd
4th
Pernicious Numbers (Long)
4th
Polyominoes
5th
Prime Numbers
18th
39th134th
1st
Prime Numbers (Long)
18th257th
4th
Proximity Grid
58th
6th
Quine
1st
139th261st
764th
25th
Recamán
38th
5th
Repeating Decimals
99th
Reverse Polish Notation
179th
Reversi
9th
Rijndael S-box
2nd
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
172nd
6th
ROT13
202nd
10th
Rule 110
99th
7th
Seven Segment
6th
284th
2nd
Sierpiński Triangle
7th
326th
6th
Smith Numbers
186th
2nd
Spelling Numbers
3rd
Star Wars Opening Crawl
108th
Sudoku
103rd
Sudoku (Fill-in)
98th
Ten-pin Bowling
103rd
4th
Tic-tac-toe
15th
Time Distance
178th
Tongue-twisters
11th
4th
Transpose Sentence
130th
United States
8th
Vampire Numbers
142nd
2nd
Van Eck Sequence
280th
6th
Zeckendorf Representation
146th
Zodiac Signs
82nd
6th
γ
3rd
λ
152nd
5th12th
π
167th
4th9th
τ
133rd
4th9th
φ
103rd
4th9th
√2
15th
1st
4th10th
𝑒
13th1st
4th8th