12 Days of Christmas
2nd
123rd
36th
24 Game
3rd
166th
99 Bottles of Beer
11th
201st
31st
Abundant Numbers
1st
622nd
Abundant Numbers (Long)
1st
243rd
Alphabetic Numbers
3rd
148th
Arabic to Roman
260th4th
Arithmetic Numbers
1st
40th
Arrows
💎
235th
Ascending Primes
6th
7th
ASCII Table
41st82nd
451st
Billiards
💎
64th
brainfuck
8th
169th
Calendar
2nd
Card Number Validation
1st
32nd
Catalan Numbers
1st
13th
Catalan’s Constant
1st58th
54th
Christmas Trees
20th
310th
Collatz
8th56th
320th
Connect Four
1st
111th
Continued Fractions
1st
7th
CSS Colors
2nd
122nd
Cubes
32nd
152nd
Day of Week
1st74th
DFA Simulator
2nd
30th
Diamonds
24th
Divisors
1st
33rd
Emirp Numbers
1st
81st
Emirp Numbers (Long)
20th
41st
Emojify
3rd
196th
Evil Numbers
1st
27th
Evil Numbers (Long)
1st
4th
Factorial Factorisation
30th4th
244th
Farey Sequence
29th3rd
41st
Fibonacci
1st
24th
Fizz Buzz
3,081st
2nd
Foo Fizz Buzz Bar
588th
2nd
Forsyth–Edwards Notation
1st
209th
Fractions
3rd
103rd
Game of Life
1st
135th
177th
Gijswijt’s Sequence
1st
3rd
Gray Code Decoder
1st
69th
Gray Code Encoder
1st
27th
Happy Numbers
1st
23rd
Happy Numbers (Long)
1st
71st
Hexdump
1st
7th
Hilbert Curve
💎
120th
Intersection
33rd
320th
Inventory Sequence
1st
16th
ISBN
25th
249th
Jacobi Symbol
💎6th
105th
Kaprekar Numbers
1st
57th
299th
Kolakoski Constant
38th22nd
157th
Kolakoski Sequence
3rd
33rd
Leap Years
20th341st
Levenshtein Distance
1st
4th
Leyland Numbers
1st
17th
ln 2
1st
9th
Look and Say
1st
389th
Lucky Numbers
343rd
3rd
Lucky Tickets
4th
Mahjong
💎
144th
Mandelbrot
42nd11th
169th
Maze
💎
241st
259th
Medal Tally
2nd
53rd
Minesweeper
💎
169th
Morse Decoder
💎
208th
Morse Encoder
2nd
3rd
Multitap Input
💎
49th
Musical Chords
3rd
128th
N Queens
💎
40th
Nim
2nd
Niven Numbers
1st
31st
Niven Numbers (Long)
1st
51st
Number Spiral
1st
190th
Odious Numbers
1st
28th
Odious Numbers (Long)
1st
28th
Ordinal Numbers
398th
282nd
PalindromemordnilaP
1st
40th
Pangram Grep
1st
16th
Partition Numbers
1st
79th
Pascal’s Triangle
1st
26th
Pernicious Numbers
1st
24th
Pernicious Numbers (Long)
1st
23rd
Poker
💎
78th
Polyominoes
114th1st144th
153rd
Prime Numbers
1st
148th
Prime Numbers (Long)
1st
134th
Proximity Grid
3rd
42nd
QR Decoder
💎
181st
Quine
10th
1st
147th
Recamán
22nd
Repeating Decimals
19th
1st
Reverse Polish Notation
1st
86th
Reversi
💎
61st
Rijndael S-box
1st
110th
Rock-paper-scissors-Spock-lizard
1st
27th
Roman to Arabic
1st
4th
ROT13
10th
Rule 110
1st
53rd
Scrambled Sort
1st
20th
Set
1st
41st
Seven Segment
💎
76th
SI Units
💎
4th
118th
Sierpiński Triangle
1st
171st
Smith Numbers
💎
45th
Spelling Numbers
1st
194th
Star Wars GPT
1st
15th
Star Wars Opening Crawl
2nd
94th
85th
Sudoku
144th💎
7th
115th
Sudoku (Fill-in)
💎
76th
305th
Taxicab Numbers
5th
9th
Ten-pin Bowling
165th💎
220th
Tic-tac-toe
1st
72nd
Time Distance
💎
99th
Tongue-twisters
150th
70th
236th
Topological Sort
1st
130th
Tower of Hanoi
1st
19th
Transpose Sentence
1st
37th
Trinomial Triangle
1st
8th
Ulam Sequence
💎
United States
💎
277th4th
Vampire Numbers
💎
74th
Van Eck Sequence
1st
45th
Zeckendorf Representation
1st
31st
Zodiac Signs
1st
109th
γ
💎
2nd
72nd
λ
1st
13th
87th
π
1st
150th
τ
1st
116th
φ
1st
146th
√2
1st
11th
𝑒
1st
6th