12 Days of Christmas
5th
24 Game
4th
99 Bottles of Beer
2nd
Abundant Numbers
6th
Abundant Numbers (Long)
6th
Arabic to Roman
53rd
5th
Arithmetic Numbers
16th
8th
170th
Arrows
Ascending Primes
ASCII Table
6th
7th
4th
3rd
2nd
brainfuck
32nd
4th
5th
Catalan Numbers
Catalan’s Constant
8th
Christmas Trees
9th
Collatz
42nd
CSS Colors
7th
Cubes
4th
Day of Week
15th
14th
1st
3rd
DFA Simulator
Diamonds
23rd
51st
4th
Divisors
19th
1st
Emirp Numbers
3rd
Emirp Numbers (Long)
Emojify
4th
2nd
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
2nd
176th
1st
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
3rd
Fractions
Game of Life
10th
2nd
Gijswijt’s Sequence
Happy Numbers
83rd
Happy Numbers (Long)
Hexdump
Intersection
3rd
Inventory Sequence
ISBN
7th
66th
8th
15th
9th
16th
2nd
Jacobi Symbol
6th
Kolakoski Constant
11th
Kolakoski Sequence
6th
Leap Years
14th
19th
275th
Levenshtein Distance
6th
103rd
Leyland Numbers
ln 2
5th
1st
Look and Say
3rd
Lucky Numbers
26th
Lucky Tickets
Mahjong
🦄
Maze
2nd
Medal Tally
Morse Decoder
3rd
Morse Encoder
5th
Musical Chords
22nd27th
14th
N Queens
3rd
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
10th
2nd
Pangram Grep
11th12th
33rd
16th
15th
37th
28th
149th
5th
257th
38th
3rd
Pascal’s Triangle
81st
7th
Pernicious Numbers
Pernicious Numbers (Long)
Poker
3rd
Prime Numbers
1st
147th
Prime Numbers (Long)
17th
301st
Proximity Grid
8th
2nd
QR Decoder
3rd
Quine
4th
199th
16th
99th
92nd
94th
83rd
21st117th369th
1st
715th
2nd
Recamán
Repeating Decimals
Reverse Polish Notation
52nd
6th
Rijndael S-box
18th
5th
Rock-paper-scissors-Spock-lizard
29th
3rd
Roman to Arabic
Rule 110
5th
Seven Segment
13th
3rd
SI Units
Sierpiński Triangle
7th
Smith Numbers
Spelling Numbers
57th
3rd
Star Wars Opening Crawl
Sudoku
💎
Sudoku (Fill-in)
💎
Ten-pin Bowling
4th
Time Distance
Tongue-twisters
13th9th14th21st16th8th33rd58th56th29th10th10th34th8th20th14th15th12th15th14th11th10th26th18th18th3rd14th12th44th151st18th12th22nd22nd18th18th16th27th48th9th361st13th10th12th39th36th6th13th13th8th14th9th7th11th
United States
19th
2nd
Vampire Numbers
5th
7th
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
2nd
γ
6th
λ
5th
9th
30th32nd
15th
13th
π
34th
18th
245th
3rd
τ
13th
182nd
φ
20th
66th
√2
12th
92nd
3rd
𝑒
5th
4th
1st5th
6th