12 Days of Christmas
28th
13th6th
3rd
49th
24 Game
2nd
23rd
99 Bottles of Beer
14th6th
7th
54th
Abundant Numbers
58th
11th💎
2nd
11th
2nd
131st
9th
Abundant Numbers (Long)
42nd
14th1st
2nd
11th
1st
89th
4th
Arabic to Roman
7th1st
4th
40th
3rd
1st
Arithmetic Numbers
19th2nd
2nd
21st
Arrows
9th💎
3rd
17th
Ascending Primes
12th💎
4th
22nd
ASCII Table
16th2nd
5th
7th
22nd
Billiards
7th2nd
14th
brainfuck
16th3rd
6th
40th
Card Number Validation
5th1st
🦄
6th
1st
Catalan Numbers
13th
22nd1st
18th
1st
69th
Catalan’s Constant
15th3rd
4th
25th
47th
Christmas Trees
20th3rd
10th
53rd
25th
104th
Collatz
37th
9th1st
5th
1st
7th
26th
20th
7th
9th
CSS Colors
💎
26th
Cubes
17th2nd
94th
Day of Week
1st2nd
3rd
1st
1st
DFA Simulator
16th3rd
🦄
15th
Diamonds
19th4th
2nd
15th
48th
4th
Divisors
43rd
18th1st
7th
7th
13th
78th
1st
10th
Emirp Numbers
22nd4th
8th
64th
70th
Emirp Numbers (Long)
9th3rd
9th
21st
Emojify
13th💎
3rd
4th
31st
Evil Numbers
13th
21st
5th1st
9th
8th
43rd1st
14th
21st
1st
74th
9th
Evil Numbers (Long)
40th
16th1st
7th
9th
13th
10th
32nd
41st
10th
Factorial Factorisation
12th3rd
25th
Farey Sequence
24th9th
💎
6th
57th
Fibonacci
9th
8th
26th
3rd1st
10th
29th
19th
1st
45th
1st
7th
9th
Fizz Buzz
65th26th39th171st37th38th52nd130th459th154th29th21st1st1st62nd64th19th42nd68th16th73rd201st1st207th65th70th6th269th376th90th44th13th240th61st35th32nd110th329th292nd43rd1st32nd130th133rd187th7th65th132nd36th49th32nd24th45th
Foo Fizz Buzz Bar
1st2nd
9th
6th
44th
31st
1st
5th
Forsyth–Edwards Notation
22nd3rd
3rd
60th
Fractions
1st4th
9th
1st
Game of Life
8th💎
15th
Gijswijt’s Sequence
11th3rd
23rd
Happy Numbers
9th
44th
20th💎
10th
6th
10th
71st
1st
29th
Happy Numbers (Long)
30th
10th2nd
10th
6th
6th
45th
15th
23rd
Hexdump
22nd5th
7th
77th
Intersection
17th7th
3rd
24th
Inventory Sequence
13th6th
7th
25th
ISBN
13th
9th5th
5th
5th
55th
15th
Jacobi Symbol
7th3rd
2nd
4th
31st
9th
Kaprekar Numbers
7th3rd
14th
Kolakoski Constant
8th2nd
7th
5th
20th
19th
Kolakoski Sequence
18th5th
6th
8th
48th
85th
Leap Years
34th
12th2nd
5th
1st
7th
62nd
20th
12th
Levenshtein Distance
15th4th
1st
Leyland Numbers
20th💎
7th
9th
6th
ln 2
1st6th
2nd
4th
1st
Look and Say
4th4th
11th
76th
7th
Lucky Numbers
22nd3rd
8th
23rd
70th
Lucky Tickets
9th3rd
7th
17th
1st
Mahjong
14th3rd
27th
Maze
16th4th
40th
Medal Tally
19th5th
41st
Morse Decoder
14th💎
2nd
19th
Morse Encoder
💎
3rd
12th
Musical Chords
6th💎
7th
N Queens
2nd
39th
Niven Numbers
12th
37th
1st1st
1st
1st
1st
103rd
1st
58th
8th
Niven Numbers (Long)
9th2nd
7th
1st
8th
57th
15th
47th
Number Spiral
7th
4th
34th
Odious Numbers
6th
20th
4th1st
8th
8th
47th1st
37th
32nd
1st
63rd
9th
Odious Numbers (Long)
37th
5th1st
7th
8th
11th
17th
1st
36th
9th
Ordinal Numbers
27th💎
4th
5th
104th
77th
PalindromemordnilaP
2nd
🦄
39th
Pangram Grep
23rd
1st3rd
12th11th
4th
1st
6th
41st
19th
21st
38th
1st
66th
28th
11th
Pascal’s Triangle
17th
24th4th
3rd
1st
23rd
66th
Pernicious Numbers
1st
22nd1st
7th
1st
4th
1st
1st
1st
32nd
9th
Pernicious Numbers (Long)
12th💎
5th
1st
14th
32nd
22nd
6th
Poker
12th💎
🦄
40th
Polyominoes
7th💎
13th
Prime Numbers
9th
52nd
20th
17th1st
4th
4th
74th1st
40th
1st
1st
53rd
6th
Prime Numbers (Long)
36th
15th
18th1st
2nd
4th
60th
22nd
15th
41st
52nd
6th
Proximity Grid
10th💎
18th
QR Decoder
6th2nd
11th
Quine
1st
90th
2nd1st
1st
1st
28th
1st
Recamán
13th💎
3rd
88th
20th
34th
Repeating Decimals
18th2nd
52nd
Reverse Polish Notation
10th4th
8th
1st
2nd
Reversi
3rd
🦄
18th
Rijndael S-box
2nd1st
2nd
Rock-paper-scissors-Spock-lizard
8th💎
12th
Roman to Arabic
20th4th
3rd
2nd
11th
28th
ROT13
5th2nd
2nd
1st
Rule 110
28th
16th4th
4th
30th
Seven Segment
16th
5th💎
9th
SI Units
15th3rd
43rd
Sierpiński Triangle
18th
17th2nd
3rd
2nd
46th
Smith Numbers
23rd3rd
68th
Spelling Numbers
17th1st
19th
Star Wars Opening Crawl
18th2nd
44th
Sudoku
2nd
75th
Sudoku (Fill-in)
3rd
48th
Ten-pin Bowling
21st4th
63rd
Tic-tac-toe
10th4th
33rd
Time Distance
15th2nd
16th
Tongue-twisters
13th5th
4th
31st
Transpose Sentence
19th2nd
🦄
1st
16th
United States
19th💎
💎
2nd
50th17th
Vampire Numbers
21st4th
57th
Van Eck Sequence
20th4th
7th
67th
Zeckendorf Representation
12th4th
15th
Zodiac Signs
15th3rd
5th
27th
γ
12th3rd
27th
λ
7th4th
12th
3rd
π
6th5th
2nd
15th
38th
9th
τ
6th5th
2nd
9th
36th
6th
φ
1st6th
2nd
5th
29th
1st
√2
1st8th
2nd
3rd
39th
1st
𝑒
1st6th
3rd
9th
28th
1st