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Minesweeper
hole will go live in approximately
22 hours
. Why not try and solve it ahead of time?
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12 Days of Christmas
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99 Bottles of Beer
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brainfuck
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Emojify
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Factorial Factorisation
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Game of Life
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Happy Numbers (Long)
Hexdump
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ln 2
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Medal Tally
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Niven Numbers (Long)
Number Spiral
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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
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Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
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γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
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Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
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Highly Composite Numbers
Minesweeper
NFA Simulator
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p-adic Expansion
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Assembly
AWK
Bash
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brainfuck
C
C#
C++
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COBOL
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Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
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Go
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Groovy
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Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
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Perl
PHP
PowerShell
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Python
R
Raku
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Rust
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sed
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Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Hole
All
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
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
Morse Decoder
Morse Encoder
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
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
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Tower of Hanoi
edsrzf
57
11ms
2 mins ago
Vampire Numbers
Babafaba
114
244ms
29 mins ago
Vampire Numbers
butnaruteodor
274
230ms
72 mins ago
φ
snoozingnewt
63
13ms
76 mins ago
Minesweeper
davecame
155
32ms
77 mins ago
CSS Colors
rustykitty
2,497
13ms
114 mins ago
Tower of Hanoi
pardouin
53
12ms
115 mins ago
Odious Numbers (Long)
butnaruteodor
48
10ms
2 hours ago
Odious Numbers
butnaruteodor
46
9ms
2 hours ago
ROT13
edsrzf
68
11ms
2 hours ago
Catalan Numbers
CaedenHarper
🥇
44
10ms
3 hours ago
Niven Numbers
butnaruteodor
46
9ms
3 hours ago
Niven Numbers (Long)
butnaruteodor
56
16ms
3 hours ago
Arrows
rustykitty
235
13ms
3 hours ago
Arithmetic Numbers
butnaruteodor
82
1,847ms
3 hours ago
ROT13
luuumine
🥇
59
11ms
4 hours ago
Minesweeper
dokutan
213
42ms
4 hours ago
Transpose Sentence
butnaruteodor
114
24ms
5 hours ago
Tower of Hanoi
snoozingnewt
62
11ms
5 hours ago
Evil Numbers
Deedogg
48
9ms
5 hours ago
Evil Numbers (Long)
Deedogg
50
10ms
5 hours ago
Zodiac Signs
blaztoma
161
12ms
5 hours ago
Pascal’s Triangle
Deedogg
81
11ms
5 hours ago
Lucky Numbers
Deedogg
85
35ms
5 hours ago
𝑒
snoozingnewt
🥇
48
16ms
5 hours ago
Christmas Trees
Deedogg
93
10ms
5 hours ago
ln 2
snoozingnewt
54
18ms
5 hours ago
Transpose Sentence
Deedogg
116
12ms
5 hours ago
Vampire Numbers
Deedogg
133
471ms
5 hours ago
√2
snoozingnewt
🥇
49
12ms
5 hours ago
Happy Numbers
Deedogg
97
17ms
5 hours ago
Look and Say
Deedogg
111
10ms
6 hours ago
Emirp Numbers
Deedogg
106
10ms
6 hours ago
Arabic to Roman
Deedogg
165
27ms
6 hours ago
Emirp Numbers (Long)
Deedogg
275
11ms
6 hours ago
99 Bottles of Beer
Deedogg
195
17ms
6 hours ago
Abundant Numbers (Long)
Deedogg
77
54ms
6 hours ago
Pernicious Numbers (Long)
Deedogg
64
16ms
6 hours ago
Pernicious Numbers
Deedogg
53
9ms
6 hours ago
Odious Numbers (Long)
Deedogg
48
11ms
6 hours ago
Arithmetic Numbers
Deedogg
84
1,470ms
6 hours ago
Tower of Hanoi
bricknellj
55
11ms
6 hours ago
Tower of Hanoi
KasperKivimaeki
57
11ms
6 hours ago
Tongue-twisters
Deedogg
224
11ms
6 hours ago
Apéry’s Constant
ryyyn
77
42ms
6 hours ago
United States
Deedogg
102
15ms
7 hours ago
12 Days of Christmas
Deedogg
275
10ms
7 hours ago
Cubes
ryyyn
186
11ms
7 hours ago
Tutorial
Openstreetmapler
152
10ms
7 hours ago
Recamán
ryyyn
67
10ms
7 hours ago
Partition Numbers
ryyyn
80
10ms
8 hours ago
Topological Sort
ryyyn
128
30ms
8 hours ago
ROT13
bricknellj
70
10ms
8 hours ago
Vampire Numbers
solisolu
133
444ms
8 hours ago
Tower of Hanoi
khvdm
51
21ms
8 hours ago
Tower of Hanoi
ovs-code
57
11ms
8 hours ago
Minesweeper
CaedenHarper
149
28ms
9 hours ago
Transpose Sentence
ryyyn
92
18ms
9 hours ago
ROT13
CaedenHarper
🥇
59
11ms
9 hours ago
Mandelbrot
ryyyn
115
1,110ms
9 hours ago
Minesweeper
bricknellj
132
25ms
10 hours ago
Minesweeper
bzijlema
163
32ms
10 hours ago
Minesweeper
albanian-laundromat
139
17ms
10 hours ago
Tower of Hanoi
DialFrost
70
11ms
10 hours ago
Divisors
solisolu
57
10ms
10 hours ago
Tower of Hanoi
rucin93
58
11ms
11 hours ago
Ascending Primes
blaztoma
121
1,082ms
11 hours ago
Ascending Primes
luuumine
77
1,217ms
11 hours ago
ln 2
luuumine
57
17ms
12 hours ago
𝑒
luuumine
🥇
48
17ms
12 hours ago
√2
luuumine
🥇
49
12ms
12 hours ago
Tower of Hanoi
hallvabo
53
12ms
12 hours ago
Reversi
Babafaba
198
20ms
12 hours ago
ROT13
blaztoma
68
10ms
14 hours ago
Ascending Primes
Emutis
179
1,893ms
14 hours ago