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Fennel
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iogii
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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Gray Code Decoder
pardouin
53
2,433ms
31 hours ago
ln 2
JOrE20
1,011
3,534ms
35 hours ago
Gray Code Decoder
albanian-laundromat
54
2,315ms
2 days ago
Tower of Hanoi
pardouin
🥇
66
2,280ms
4 days ago
Topological Sort
pardouin
🥈
119
2,737ms
4 days ago
Time Distance
pardouin
💎
265
2,498ms
4 days ago
Star Wars Opening Crawl
pardouin
💎
346
2,593ms
4 days ago
Roman to Arabic
pardouin
86
2,755ms
4 days ago
Intersection
jkelly467
153
2,356ms
4 days ago
Kolakoski Sequence
pardouin
🥇
64
2,267ms
4 days ago
Continued Fractions
pardouin
148
2,619ms
4 days ago
Calendar
pardouin
🥈
236
2,280ms
5 days ago
Gray Code Encoder
pardouin
60
2,247ms
5 days ago
Gray Code Decoder
error256
55
2,228ms
6 days ago
Proximity Grid
edsrzf
🥈
126
2,242ms
7 days ago
Morse Decoder
Steffan153
🥈
124
2,928ms
7 days ago
Happy Numbers
Steffan153
🥇
66
2,099ms
7 days ago
Ordinal Numbers
Steffan153
🥈
92
2,314ms
7 days ago
Ten-pin Bowling
Steffan153
🥉
124
2,189ms
7 days ago
Emojify
Steffan153
109
3,088ms
7 days ago
Seven Segment
Steffan153
🥈
114
2,609ms
8 days ago
Arabic to Roman
Steffan153
🥈
129
2,798ms
8 days ago
Roman to Arabic
Steffan153
87
2,568ms
8 days ago
Sierpiński Triangle
Steffan153
🥉
69
2,164ms
8 days ago
Pascal’s Triangle
Steffan153
🥇
66
2,197ms
8 days ago
Leap Years
Steffan153
🥈
45
2,142ms
8 days ago
Day of Week
Steffan153
🥇
60
2,237ms
8 days ago
Emirp Numbers
Steffan153
🥇
73
2,164ms
8 days ago
Prime Numbers
Steffan153
🥇
48
2,483ms
8 days ago
Prime Numbers (Long)
Steffan153
🥇
50
2,338ms
8 days ago
Abundant Numbers (Long)
Steffan153
61
2,294ms
8 days ago
Pernicious Numbers (Long)
Steffan153
🥇
56
2,177ms
8 days ago
Pernicious Numbers
Steffan153
🥇
42
2,098ms
8 days ago
Divisors
Steffan153
63
2,061ms
8 days ago
Niven Numbers (Long)
Steffan153
🥇
54
2,424ms
8 days ago
Niven Numbers
Steffan153
🥇
44
2,160ms
8 days ago
Odious Numbers (Long)
Steffan153
🥉
49
2,090ms
8 days ago
Evil Numbers (Long)
Steffan153
50
2,072ms
8 days ago
Odious Numbers
Steffan153
🥇
41
2,123ms
8 days ago
Evil Numbers
Steffan153
🥇
40
2,161ms
8 days ago
Fizz Buzz
Steffan153
🥇
74
2,187ms
8 days ago
Fibonacci
Steffan153
49
2,093ms
8 days ago
Game of Life
jkelly467
151
2,336ms
9 days ago
Partition Numbers
edsrzf
🥉
80
2,315ms
12 days ago
Tower of Hanoi
jameswmccarty
96
2,169ms
12 days ago
Morse Decoder
edsrzf
🥈
124
2,612ms
13 days ago
Quine
ky28059
70
2,091ms
14 days ago
Multitap Input
jkelly467
🥉
127
2,254ms
15 days ago
United States
JayXon
💎
117
3,162ms
16 days ago
Tutorial
FortuiteMan
138
4,206ms
17 days ago
Prime Numbers (Long)
jkelly467
51
2,165ms
18 days ago
Fibonacci
msbranicky
54
2,145ms
18 days ago
π
JOrE20
1,011
2,081ms
19 days ago
τ
JOrE20
1,011
1,968ms
19 days ago
Multitap Input
dokutan
402
2,242ms
19 days ago
Multitap Input
stefangimmillaro
147
2,257ms
19 days ago
Sudoku
RobertHoeh
1,347
3,358ms
21 days ago
Multitap Input
edsrzf
🥈
102
2,270ms
22 days ago
Look and Say
pardouin
🥈
93
2,224ms
23 days ago
Multitap Input
pardouin
💎
100
2,248ms
23 days ago
Rule 110
jkelly467
139
2,217ms
23 days ago
Kolakoski Constant
JOrE20
1,011
2,085ms
23 days ago
Christmas Trees
jkelly467
86
2,278ms
24 days ago
Look and Say
jkelly467
101
2,162ms
25 days ago
π
Andrey2001
1,004
2,073ms
26 days ago
Card Number Validation
jkelly467
99
2,384ms
22 Jan 2026
Fibonacci
jkelly467
52
2,337ms
19 Jan 2026
Repeating Decimals
Matter1024
245
2,342ms
18 Jan 2026
Tongue-twisters
pardouin
297
2,329ms
17 Jan 2026
Diamonds
dokutan
136
2,242ms
15 Jan 2026
Tutorial
Mefred
138
4,281ms
15 Jan 2026
Maze
dokutan
340
4,562ms
14 Jan 2026
Kaprekar Numbers
KatieLG
93
3,146ms
14 Jan 2026
Arithmetic Numbers
sean-niemann
🥈
68
2,373ms
13 Jan 2026
24 Game
sean-niemann
🥈
288
2,701ms
13 Jan 2026
Arabic to Roman
jkelly467
190
2,631ms
12 Jan 2026
Tongue-twisters
sean-niemann
🥉
289
2,344ms
12 Jan 2026
Tower of Hanoi
anter69
3,582
1,934ms
8 Jan 2026
Pernicious Numbers
fuzzylojik-golf
43
2,092ms
7 Jan 2026
Day of Week
jkelly467
61
2,206ms
7 Jan 2026