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12 Days of Christmas
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brainfuck
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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
Gray Code Decoder
Gray Code Encoder
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
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Maze
Medal Tally
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Morse Decoder
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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)
Taxicab Numbers
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
Apéry’s Constant
Binary Lambda Calculus
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
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Snake
Sphenic Numbers
Turtle
Tutorial
Ulam Sequence
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><>
ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
iogii
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Connect Four
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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)
Taxicab Numbers
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
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Ulam Sequence
Hole
Golfer
Bytes
Time
Submitted
Nim
edsrzf
103
4ms
3 days ago
γ
retrohun
1,009
3ms
6 days ago
Topological Sort
albanian-laundromat
197
122ms
7 days ago
Niven Numbers
albanian-laundromat
49
3ms
7 days ago
Partition Numbers
albanian-laundromat
243
34ms
7 days ago
Leap Years
albanian-laundromat
62
3ms
7 days ago
Tower of Hanoi
albanian-laundromat
85
5ms
7 days ago
Fibonacci
albanian-laundromat
60
3ms
7 days ago
Gray Code Encoder
scpchicken
🥇
46
7ms
11 days ago
Kaprekar Numbers
edsrzf
💎
126
2,958ms
13 days ago
Arrows
edsrzf
💎
91
5ms
13 days ago
Van Eck Sequence
xsot
🥇
71
5ms
16 days ago
γ
edsrzf
💎
132
234ms
16 days ago
Tic-tac-toe
edsrzf
🥇
75
85ms
17 days ago
Seven Segment
edsrzf
153
3ms
22 days ago
PalindromemordnilaP
Steffan153
🥇
60
13ms
2 Jun 2026
Connect Four
edsrzf
🦄
197
130ms
1 Jun 2026
ln 2
retrohun
1,009
3ms
31 May 2026
γ
Haksell
1,007
3ms
31 May 2026
Minesweeper
xsot
🥈
165
41ms
27 May 2026
Set
xsot
💎
147
2,868ms
27 May 2026
Musical Chords
edsrzf
🥈
137
21ms
25 May 2026
Topological Sort
xsot
💎
117
29ms
23 May 2026
ROT13
xsot
💎
102
14ms
23 May 2026
Maze
xsot
💎
127
1,058ms
23 May 2026
Alphabetic Numbers
CaedenHarper
🥉
3,901
3ms
21 May 2026
Ascending Primes
xsot
💎
109
4,652ms
21 May 2026
Pernicious Numbers
snoozingnewt
🥇
37
3ms
20 May 2026
N Queens
oaiqjuy
🥉
364
22ms
19 May 2026
Rijndael S-box
oaiqjuy
🥉
359
4ms
19 May 2026
Polyominoes
oaiqjuy
🥉
1,125
17ms
19 May 2026
Collatz
oaiqjuy
89
68ms
19 May 2026
Musical Chords
Steffan153
💎
134
26ms
19 May 2026
Prime Numbers
madex
111
7ms
18 May 2026
Look and Say
Steffan153
🥇
78
1,259ms
17 May 2026
Look and Say
xsot
🥇
78
1,256ms
17 May 2026
Day of Week
Steffan153
🥇
50
14ms
15 May 2026
Calendar
edsrzf
💎
225
9ms
14 May 2026
Smith Numbers
HumanoidCPU
293
933ms
14 May 2026
Alphabetic Numbers
LostSyntax21
💎
1,000
16ms
12 May 2026
Ulam Sequence
HumanoidCPU
1,099
3ms
12 May 2026
Alphabetic Numbers
KatieLG
🥉
3,901
3ms
12 May 2026
Alphabetic Numbers
dokutan
🥈
2,238
3ms
12 May 2026
Ulam Sequence
Shanethegamer
1,099
3ms
11 May 2026
Look and Say
Lydxn
🥉
79
469ms
11 May 2026
Emirp Numbers (Long)
Steffan153
💎
86
3,898ms
10 May 2026
φ
edsrzf
41
4ms
10 May 2026
ln 2
edsrzf
🥇
62
22ms
10 May 2026
Taxicab Numbers
edsrzf
🥈
133
161ms
10 May 2026
Lucky Tickets
edsrzf
🥇
83
3ms
10 May 2026
Taxicab Numbers
Steffan153
💎
125
162ms
10 May 2026
Lucky Tickets
Steffan153
🥇
83
3ms
10 May 2026
Multitap Input
edsrzf
🥈
103
418ms
9 May 2026
Multitap Input
Steffan153
💎
96
44ms
9 May 2026
Odious Numbers (Long)
Herbert00709
59
4ms
9 May 2026
Prime Numbers
Herbert00709
50
3ms
8 May 2026
φ
Steffan153
42
4ms
8 May 2026
√2
Steffan153
🥇
40
4ms
8 May 2026
ln 2
Steffan153
🥇
62
26ms
8 May 2026
𝑒
Steffan153
🥇
68
363ms
8 May 2026
π
Herbert00709
120
3,262ms
8 May 2026
𝑒
Herbert00709
89
363ms
8 May 2026
Quine
Herbert00709
47
3ms
8 May 2026
Pernicious Numbers (Long)
Herbert00709
76
25ms
8 May 2026
Fibonacci
roupiq
🥇
51
3ms
7 May 2026
Evil Numbers (Long)
Herbert00709
64
4ms
7 May 2026
Odious Numbers
Herbert00709
50
3ms
7 May 2026
Evil Numbers
Herbert00709
63
3ms
7 May 2026
Pernicious Numbers
Herbert00709
38
3ms
7 May 2026
Fibonacci
Herbert00709
🥇
51
3ms
7 May 2026
Fibonacci
raphaelimahorn
59
3ms
6 May 2026
Niven Numbers (Long)
HumanoidCPU
105
15ms
5 May 2026
Fizz Buzz
teebee
🥇
71
4ms
1 May 2026
Ordinal Numbers
Steffan153
🥈
75
6ms
1 May 2026
24 Game
madeforlosers
12,438
3ms
1 May 2026
Taxicab Numbers
dokutan
2,751
3ms
1 May 2026
Taxicab Numbers
HumanoidCPU
676
117ms
30 Apr 2026
Taxicab Numbers
madex
🥉
148
260ms
30 Apr 2026
Taxicab Numbers
CaedenHarper
4,166
3ms
29 Apr 2026
Dragon Curve
dokutan
1,143
3ms
28 Apr 2026
Odious Numbers
sisyphus-ppcg
49
3ms
27 Apr 2026
Kolakoski Sequence
edsrzf
92
573ms
26 Apr 2026
Ordinal Numbers
MeWhenI
79
6ms
26 Apr 2026
Kolakoski Sequence
madeforlosers
2,006
3ms
24 Apr 2026
Dragon Curve
HumanoidCPU
10,279
3ms
23 Apr 2026
Dragon Curve
Shanethegamer
10,279
3ms
23 Apr 2026
Evil Numbers
madeforlosers
76
3ms
23 Apr 2026
Game of Life
Steffan153
🥈
154
21ms
23 Apr 2026
Sierpiński Triangle
Steffan153
💎
76
4ms
23 Apr 2026
Sudoku
pascalecu
🥉
1,036
523ms
22 Apr 2026
United States
pascalecu
207
4ms
22 Apr 2026
Odious Numbers
pascalecu
64
3ms
22 Apr 2026
Odious Numbers (Long)
pascalecu
66
6ms
22 Apr 2026
Evil Numbers (Long)
pascalecu
67
6ms
22 Apr 2026
Evil Numbers
pascalecu
65
4ms
22 Apr 2026
Cubes
madeforlosers
4,107
3ms
22 Apr 2026
Odious Numbers
madeforlosers
79
3ms
22 Apr 2026
Evil Numbers (Long)
madeforlosers
1,956
3ms
22 Apr 2026
Farey Sequence
madeforlosers
4,360
3ms
22 Apr 2026
Odious Numbers (Long)
madeforlosers
1,951
3ms
22 Apr 2026