12 Days of Christmas
4th
24 Game
💎
99 Bottles of Beer
3rd
Abundant Numbers
7th
Abundant Numbers (Long)
1st
Arabic to Roman
2nd
Arithmetic Numbers
💎
Arrows
1st
Ascending Primes
2nd
ASCII Table
2nd
Billiards
💎
brainfuck
💎
Card Number Validation
1st
Catalan Numbers
4th
Catalan’s Constant
2nd
Christmas Trees
1st
Collatz
7th
CSS Colors
1st
Cubes
💎
Day of Week
34th1st
DFA Simulator
2nd
Diamonds
36th
3rd
72nd
Divisors
17th28th59th10th20th
239th123rd92nd23rd19th55th34th19th24th17th26th17th14th24th66th35th121st
16th121st157th41st
94th27th13th20th58th57th2nd23rd1st22nd67th152nd94th
16th23rd37th16th14th11th24th16th
Emirp Numbers
1st
Emirp Numbers (Long)
💎
Emojify
2nd
Evil Numbers
2nd
39th
Evil Numbers (Long)
1st
18th
Factorial Factorisation
2nd
Farey Sequence
1st
Fibonacci
35th
8th
Fizz Buzz
1st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
2nd
Fractions
1st
Game of Life
17th
2nd
Gijswijt’s Sequence
4th
Happy Numbers
86th
1st
Happy Numbers (Long)
💎
Hexdump
💎
Intersection
3rd
Inventory Sequence
5th
ISBN
23rd
67th
12th
22nd
💎
Jacobi Symbol
3rd
Kaprekar Numbers
2nd
Kolakoski Constant
3rd
Kolakoski Sequence
2nd
Leap Years
1st
Levenshtein Distance
14th
💎
17th8th
Leyland Numbers
💎
ln 2
14th
6th
Look and Say
1st
Lucky Numbers
33rd
1st
Lucky Tickets
6th
Mahjong
2nd
Maze
2nd
Medal Tally
💎
Morse Decoder
💎
Morse Encoder
💎
Musical Chords
17th22nd
9th
1st
N Queens
💎
Niven Numbers
8th
Niven Numbers (Long)
3rd
Number Spiral
💎
Odious Numbers
2nd
Odious Numbers (Long)
1st
Ordinal Numbers
1st
PalindromemordnilaP
2nd
Pangram Grep
24th
34th
9th
201st
34th
1st
60th94th
26th
28th
Partition Numbers
2nd
Pascal’s Triangle
49th
4th
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Poker
💎
Polyominoes
💎
Prime Numbers
100th
38th
1st
Prime Numbers (Long)
37th
1st
Proximity Grid
💎
QR Decoder
💎
Quine
127th
70th
13th
57th
Recamán
1st
Repeating Decimals
4th
Reverse Polish Notation
2nd
Reversi
💎
Rijndael S-box
2nd
Rock-paper-scissors-Spock-lizard
20th
💎
Roman to Arabic
💎
ROT13
4th
Rule 110
2nd
Set
💎
Seven Segment
53rd
💎
SI Units
💎
Sierpiński Triangle
💎
Smith Numbers
💎
Spelling Numbers
💎
Star Wars Opening Crawl
💎
Sudoku
💎
Sudoku (Fill-in)
💎
Ten-pin Bowling
10th
5th
Tic-tac-toe
4th
Time Distance
💎
Tongue-twisters
23rd
6th
Transpose Sentence
1st
United States
3rd
Vampire Numbers
💎
Van Eck Sequence
4th
Zeckendorf Representation
💎
Zodiac Signs
💎
γ
18th
3rd
λ
💎
π
4th
τ
2nd
φ
1st
√2
6th
𝑒
3rd
9th