12 Days of Christmas
14th
8th
2nd
8th2nd
6th
4th
4th
4th
6th
3rd8th
24 Game
2nd
99 Bottles of Beer
13th
1st
3rd
4th
4th
3rd
12th
3rd142nd
3rd
9th
6th
Abundant Numbers
6th
5th
3rd1st
7th
4th
20th
6th
21st
10th106th
31st18th
4th5th9th
Abundant Numbers (Long)
1st
3rd1st
2nd
4th
66th
Arabic to Roman
1st
3rd
3rd
4th
3rd102nd14th
6th1st
8th7th
Arithmetic Numbers
2nd2nd
56th
Arrows
6th
13th6th
💎
💎
2nd5th
4th
4th
💎39th
11th4th
2nd
Ascending Primes
2nd1st
13th
ASCII Table
16th
💎
6th1st
5th
10th
2nd
6th50th
20th3rd
10th
7th
Billiards
2nd
25th
brainfuck
9th
2nd
3rd3rd
4th
💎
6th
73rd
4th
Card Number Validation
2nd
44th
Catalan Numbers
4th
1st
3rd1st
1st
10th
5th
1st
1st3rd9th
Catalan’s Constant
4th
1st6th
3rd
39th
9th
Christmas Trees
1st
3rd1st
2nd
2nd
11th
5th76th
25th8th
3rd3rd
Collatz
💎
7th4th
27th1st
3rd
99th
5th
CSS Colors
4th
12th20th11th
6th
2nd19th
2nd💎
6th13th
6th38th3rd
5th5th19th7th79th
4th3rd
Cubes
2nd
4th3rd
2nd
5th
1st
2nd74th
7th
8th
2nd💎
Day of Week
24th
3rd1st
1st
2nd
1st
66th
DFA Simulator
5th3rd
40th
Diamonds
11th
💎
4th1st
7th
3rd
2nd
6th22nd
2nd
3rd3rd
Divisors
86th
33rd
1st
9th1st
1st
1st
23rd
3rd
7th
45th6th109th
46th4th1st10th
6th5th
Emirp Numbers
18th
4th
14th
7th
6th1st
1st
1st12th
19th12th
3rd
5th
2nd
Emirp Numbers (Long)
4th4th
1st
274th
Emojify
3rd2nd
2nd
36th
Evil Numbers
22nd
12th
8th
1st6th
1st
1st
6th
4th
1st1st
12th8th
1st
3rd8th5th
Evil Numbers (Long)
8th
1st1st
9th
1st1st
Factorial Factorisation
7th
8th
Farey Sequence
1st6th
Fibonacci
47th1st
26th
17th
1st
1st1st
7th
1st1st1st14th
1st
1st
5th12th
1st1st
10th7th1st12th
6th1st17th
Fizz Buzz
46th69th92nd32nd63rd37th49th
1st10th19th
1st
43rd70th57th5th1st35th35th1st1st1st18th11th
12th15th1st59th6th1st1st6th189th
43rd3rd1st12th
85th97th4th6th16th31st
Foo Fizz Buzz Bar
💎
6th1st
48th
2nd
8th
26th6th123rd
18th5th
Forsyth–Edwards Notation
4th1st
173rd
3rd
Fractions
9th
2nd
1st1st
12th
1st
3rd126th
1st4th
3rd
Game of Life
1st
2nd
176th
Gijswijt’s Sequence
💎
3rd1st
5th
💎
3rd14th
15th4th
4th2nd
Happy Numbers
16th
21st13th
17th
4th
7th2nd
8th
5th
6th
21st
18th1st42nd
17th10th
16th
3rd6th5th
Happy Numbers (Long)
💎
7th1st
4th
1st
3rd
6th
14th9th
Hexdump
3rd
3rd💎
5th
46th
7th
Intersection
20th
2nd
2nd1st
3rd
82nd
4th
5th
7th95th
7th
3rd2nd
Inventory Sequence
13th
💎
1st2nd
4th
22nd
ISBN
2nd
8th1st
2nd
10th
💎
78th
5th
Jacobi Symbol
3rd
1st
5th
2nd
54th
Kaprekar Numbers
16th
2nd
Kolakoski Constant
4th
3rd
4th
3rd
4th
9th
6th5th7th4th
Kolakoski Sequence
4th
1st
11th
1st
2nd
3rd61st
7th
4th
Leap Years
37th5th
15th
1st
8th1st
3rd
65th3rd12th9th
1st
13th
1st7th13th
33rd4th1st
3rd3rd
3rd
Levenshtein Distance
1st
2nd
3rd
7th
5th
1st
5th
15th4th
11th3rd
Leyland Numbers
11th
1st
8th1st
3rd
8th
3rd
3rd83rd
4th
3rd3rd
ln 2
19th
4th1st
3rd
1st
34th
Look and Say
8th
💎
7th1st
6th
2nd7th8th
3rd
4th
4th74th
6th
3rd3rd
Lucky Numbers
13th
💎
6th1st
💎
32nd
5th
2nd
Lucky Tickets
1st
4th1st
4th
8th
2nd35th
4th4th5th
Mahjong
28th
Mandelbrot
1st
Maze
2nd3rd
Medal Tally
5th💎
💎
4th
Morse Decoder
2nd
2nd2nd
4th
3rd2nd
Morse Encoder
2nd
3rd
2nd
7th
2nd
3rd
2nd
Musical Chords
10th3rd
9th
2nd
3rd
4th
17th
3rd
N Queens
💎
60th
Niven Numbers
27th9th
25th20th
1st1st
3rd
4th1st
13th1st1st
5th
1st1st1st
16th
22nd1st1st
26th13th1st
15th
6th3rd3rd5th
Niven Numbers (Long)
5th
8th
2nd1st
1st
6th
1st
1st9th
Number Spiral
9th
9th
1st
2nd
1st
1st
💎
40th
3rd
4th
2nd
Odious Numbers
4th9th
12th
8th
1st6th
1st
1st
6th
3rd
9th
1st1st
18th
1st
1st
4th8th5th
Odious Numbers (Long)
9th
1st1st
9th
1st1st
Ordinal Numbers
2nd
3rd
8th
4th
21st
4th84th
7th
18th1st
5th5th
PalindromemordnilaP
1st
48th
Pangram Grep
31st
22nd
2nd
3rd1st
7th
2nd
15th
11th94th
8th
1st
5th
Partition Numbers
3rd
31st
Pascal’s Triangle
5th
17th
1st
1st1st
1st
1st
1st78th
5th41st
42nd
1st
6th5th4th
Pernicious Numbers
23rd1st
4th19th
1st1st
1st
1st1st1st
1st1st1st
14th
1st1st1st
1st1st1st1st1st
18th20th1st
4th
17th6th
6th
Pernicious Numbers (Long)
15th
10th3rd
1st
4th
25th
1st
Poker
18th
2nd
4th2nd
💎
44th
6th
Polyominoes
💎
Prime Numbers
4th17th
10th
5th
4th1st
1st
1st
1st
3rd
1st1st
11th1st
1st
4th
5th
Prime Numbers (Long)
24th
2nd
5th1st
1st
1st
2nd
6th48th
40th1st
Proximity Grid
💎
QR Decoder
16th
2nd
2nd2nd
40th
4th
Quine
1st1st
22nd1st
19th1st17th
1st1st
1st1st1st
1st1st
1st
1st
1st1st1st
1st1st
1st1st
5th
26th1st
Recamán
💎
7th1st
11th
1st
6th99th
17th
5th5th
Repeating Decimals
2nd
44th
12th
Reverse Polish Notation
2nd
1st1st
5th
5th
63rd
5th
Reversi
3rd
Rijndael S-box
4th
Rock-paper-scissors-Spock-lizard
2nd
3rd
4th
2nd
6th
4th56th
11th
Roman to Arabic
4th
3rd1st
9th
10th
4th
6th58th
6th
5th
ROT13
1st
1st
47th
1st
3rd
Rule 110
20th
12th
💎
1st
5th
15th
3rd
4th24th
3rd
Scrambled Sort
29th
Set
4th
32nd
Seven Segment
2nd
1st
3rd
6th
2nd
5th71st
6th
SI Units
2nd
2nd
77th
Sierpiński Triangle
19th
6th
2nd
1st
6th
7th
2nd
5th21st
7th
3rd
Smith Numbers
3rd
3rd
6th
6th
7th64th
9th
Spelling Numbers
1st
💎
2nd
3rd
💎
63rd
2nd
3rd4th
Star Wars Opening Crawl
6th
18th
💎
2nd
3rd
3rd
💎
5th
45th
6th
Sudoku
2nd
3rd
3rd
3rd
3rd
Sudoku (Fill-in)
9th
💎
2nd
3rd
41st
Ten-pin Bowling
8th
6th
3rd
4th8th
4th
7th
51st
8th
3rd
Tic-tac-toe
3rd
Time Distance
3rd💎
💎
Tongue-twisters
17th
6th20th
6th
2nd
4th
6th
6th
9th
7th48th
4th
8th
6th6th
Transpose Sentence
19th
1st1st
1st
22nd
United States
2nd
3rd
45th1st
Vampire Numbers
4th
2nd
6th1st
6th
2nd
5th60th
9th
4th
Van Eck Sequence
7th12th
2nd
1st1st
14th
2nd
1st27th
12th
3rd
Zeckendorf Representation
💎
4th
40th
Zodiac Signs
16th
5th3rd
35th
γ
2nd
1st
3rd
56th
λ
6th
2nd4th
8th16th
7th
5th
6th46th
11th
7th4th
π
33rd
2nd
5th6th
3rd
46th8th
3rd
4th
6th53rd
16th
8th4th
τ
3rd
5th
3rd
8th
3rd
4th
7th59th
10th
8th4th
φ
16th
2nd
7th1st
5th
1st7th
3rd
1st
9th31st
12th
10th4th
√2
18th
2nd
1st
13th
46th6th
3rd
1st
10th1st
12th
12th4th
𝑒
21st
17th
1st
5th
1st
1st11th
2nd
5th
9th1st
19th
10th5th