12 Days of Christmas
19th
8th
2nd
6th2nd
6th
4th
4th
4th
6th
3rd8th
24 Game
2nd
99 Bottles of Beer
16th
1st
3rd
5th
3rd
3rd
12th
3rd129th
3rd
9th
6th
Abundant Numbers
4th
4th
3rd1st
4th
4th
19th
5th
20th
9th94th
30th16th
4th5th9th
Abundant Numbers (Long)
1st
3rd1st
2nd
4th
58th
Arabic to Roman
1st
2nd
3rd
3rd
3rd95th12th
4th1st
7th6th
Arithmetic Numbers
1st2nd
46th
Arrows
6th
13th5th
💎
💎
2nd5th
4th
4th
💎35th
9th3rd
2nd
Ascending Primes
2nd1st
11th
ASCII Table
15th
💎
5th1st
5th
9th
2nd
6th42nd
19th2nd
9th
7th
Billiards
2nd
12th
brainfuck
9th
2nd
3rd3rd
4th
💎
6th
68th
4th
Card Number Validation
2nd
37th
Catalan Numbers
4th
1st
3rd1st
1st
9th
4th
1st
1st3rd8th
Catalan’s Constant
4th
1st5th
3rd
32nd
7th
Christmas Trees
1st
3rd1st
3rd
2nd
11th
5th70th
23rd6th
3rd3rd
Collatz
💎
7th4th
26th1st
3rd
86th
3rd
CSS Colors
4th
11th20th11th
5th
2nd17th
2nd💎
6th13th
6th34th3rd
5th5th19th7th69th
4th3rd
Cubes
2nd
4th3rd
2nd
5th
1st
2nd67th
7th
8th
2nd💎
Day of Week
22nd
3rd1st
1st
2nd
1st
55th
DFA Simulator
3rd3rd
36th
Diamonds
11th
💎
4th1st
7th
3rd
2nd
6th21st
2nd
3rd3rd
Divisors
81st
31st
1st
8th1st
1st
1st
23rd
2nd
7th
44th5th99th
46th4th1st9th
6th5th
Emirp Numbers
17th
1st
13th
7th
6th1st
1st
1st10th
17th11th
3rd
5th
2nd
Emirp Numbers (Long)
4th4th
1st
246th
Emojify
3rd2nd
2nd
30th
Evil Numbers
20th
11th
7th
1st6th
1st
1st
6th
3rd
1st1st
10th6th
1st
3rd7th5th
Evil Numbers (Long)
8th
1st1st
8th
1st1st
Factorial Factorisation
7th
7th
Farey Sequence
1st6th
Fibonacci
42nd1st
23rd
15th
1st
1st1st
6th
1st1st1st13th
1st
1st
5th12th
1st1st
10th7th1st9th
6th1st16th
Fizz Buzz
45th66th89th32nd55th36th46th
1st9th18th
1st
39th75th53rd4th1st33rd34th1st1st1st16th11th
11th13th1st57th5th1st1st6th167th
42nd3rd1st8th
81st96th4th6th15th30th
Foo Fizz Buzz Bar
💎
3rd1st
43rd
2nd
7th
25th6th108th
16th3rd
Forsyth–Edwards Notation
4th1st
160th
Fractions
8th
2nd
1st1st
12th
1st
2nd110th
1st3rd
3rd
Game of Life
1st
💎
154th
Gijswijt’s Sequence
💎
3rd1st
5th
💎
3rd12th
13th3rd
4th💎
Happy Numbers
16th
19th12th
16th
4th
7th2nd
7th
5th
5th
21st
17th1st37th
15th10th
15th
3rd6th5th
Happy Numbers (Long)
💎
7th1st
3rd
1st
3rd
6th
12th8th
Hexdump
2nd
3rd💎
4th
40th
6th
Intersection
19th
2nd
2nd1st
3rd
77th
4th
5th
6th86th
6th
3rd2nd
Inventory Sequence
10th
💎
1st2nd
4th
18th
ISBN
2nd
8th1st
2nd
8th
💎
71st
4th
Jacobi Symbol
2nd
1st
5th
2nd
48th
Kaprekar Numbers
16th
2nd
Kolakoski Constant
4th
3rd
4th
3rd
4th
6th
5th5th7th4th
Kolakoski Sequence
4th
1st
10th
1st
2nd
3rd54th
6th
4th
Leap Years
35th4th
13th
1st
7th1st
3rd
62nd3rd11th9th
1st
12th
1st6th12th
32nd4th1st
3rd3rd
3rd
Levenshtein Distance
1st
💎
3rd
7th
4th
1st
5th
14th2nd
9th3rd
Leyland Numbers
10th
1st
8th1st
3rd
8th
3rd
3rd72nd
3rd
3rd3rd
ln 2
17th
4th1st
3rd
1st
30th
Look and Say
5th
💎
7th1st
6th
1st7th
3rd
4th
4th68th
5th
3rd3rd
Lucky Numbers
12th
💎
6th1st
💎
29th
3rd
2nd
Lucky Tickets
1st
4th1st
4th
8th
1st32nd
4th4th5th
Mahjong
22nd
Maze
2nd3rd
Medal Tally
4th💎
💎
3rd
Morse Decoder
2nd
2nd2nd
4th
3rd2nd
Morse Encoder
2nd
3rd
2nd
7th
2nd
2nd
2nd
Musical Chords
10th3rd
9th
💎
3rd
4th
15th
2nd
N Queens
💎
50th
Niven Numbers
22nd9th
22nd17th
1st1st
3rd
4th1st
8th1st1st
5th
1st1st1st
13th
22nd1st1st
25th11th1st
13th
6th3rd3rd4th
Niven Numbers (Long)
5th
5th
2nd1st
1st
4th
1st
1st6th
Number Spiral
9th
8th
1st
2nd
1st
1st
💎
38th
3rd
4th
2nd
Odious Numbers
1st9th
11th
7th
1st6th
1st
1st
6th
2nd
8th
1st1st
17th
1st
1st
4th7th5th
Odious Numbers (Long)
9th
1st1st
8th
1st1st
Ordinal Numbers
2nd
3rd
8th
4th
20th
4th74th
7th
17th1st
5th2nd
PalindromemordnilaP
1st
39th
Pangram Grep
30th
20th
2nd
3rd1st
6th
2nd
14th
9th84th
11th
1st
5th
Pascal’s Triangle
5th
16th
1st
1st1st
1st
1st
1st72nd
5th34th
42nd
1st
5th5th4th
Pernicious Numbers
20th1st
1st16th
1st1st
1st
1st1st1st
1st1st1st
14th
1st1st1st
1st1st1st1st1st
17th18th1st
4th
14th6th
6th
Pernicious Numbers (Long)
13th
9th3rd
1st
3rd
21st
Poker
17th
2nd
3rd2nd
💎
40th
5th
Polyominoes
💎
Prime Numbers
1st15th
8th
5th
4th1st
1st
1st
1st
3rd
1st1st
10th1st
1st
4th
5th
Prime Numbers (Long)
20th
2nd
5th1st
1st
1st
2nd
6th41st
33rd1st
Proximity Grid
💎
QR Decoder
15th
2nd
2nd2nd
33rd
3rd
Quine
1st1st
19th1st
16th1st15th
1st1st
1st1st1st
1st1st1st
1st17th
1st
1st1st1st
1st1st
1st1st
5th
21st1st
Recamán
💎
6th1st
11th
1st
6th90th
15th
5th5th
Repeating Decimals
2nd
41st
13th
Reverse Polish Notation
2nd
1st1st
5th
5th
58th
4th
Reversi
2nd
Rijndael S-box
4th
Rock-paper-scissors-Spock-lizard
2nd
3rd
4th
2nd
6th
4th52nd
11th
Roman to Arabic
4th
3rd1st
9th
9th
4th
6th52nd
3rd
5th
ROT13
1st
1st
28th
1st
2nd
Rule 110
19th
11th
💎
1st
5th
15th
3rd
4th21st
3rd
Seven Segment
2nd
1st
3rd
5th
2nd
5th66th
4th
SI Units
2nd
💎
70th
Sierpiński Triangle
18th
6th
2nd
1st
6th
6th
2nd
5th18th
6th
3rd
Smith Numbers
3rd
3rd
3rd
5th
7th61st
8th
Spelling Numbers
1st
💎
2nd
3rd
💎
58th
2nd
3rd4th
Star Wars Opening Crawl
6th
17th
💎
2nd
2nd
3rd
💎
5th
40th
6th
Sudoku
2nd
3rd
3rd
2nd
3rd
Sudoku (Fill-in)
9th
💎
2nd
3rd
35th
Ten-pin Bowling
8th
6th
2nd
4th6th
4th
7th
45th
5th
3rd
Tic-tac-toe
2nd
Time Distance
3rd💎
💎
Tongue-twisters
17th
6th19th
4th
2nd
4th
5th
6th
9th
7th38th
4th
6th
5th6th
Transpose Sentence
16th
1st1st
💎
20th
United States
2nd
3rd
40th1st
Vampire Numbers
3rd
2nd
7th1st
6th
2nd
5th54th
7th
3rd
Van Eck Sequence
5th11th
2nd
1st1st
14th
2nd
1st26th
10th
3rd
Zeckendorf Representation
💎
4th
34th
Zodiac Signs
14th
5th3rd
31st
γ
2nd
1st
3rd
49th
λ
6th
2nd4th
7th16th
7th
5th
6th41st
10th
7th3rd
π
33rd
2nd
5th6th
3rd
43rd8th
3rd
4th
6th38th
13th
7th4th
τ
3rd
5th
3rd
7th
3rd
4th
7th43rd
8th
7th4th
φ
13th
2nd
6th1st
5th
1st7th
3rd
1st
8th25th
9th
10th4th
√2
16th
2nd
1st
13th
42nd6th
3rd
1st
9th1st
10th
12th4th
𝑒
21st
15th
1st
5th
1st
1st9th
2nd
5th
8th1st
15th
9th5th