The
Minesweeper
hole will go live in approximately
26 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
Abundant Numbers
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brainfuck
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Catalan’s Constant
Christmas Trees
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Emirp Numbers (Long)
Emojify
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Factorial Factorisation
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Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
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Happy Numbers (Long)
Hexdump
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Intersection
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ln 2
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Mahjong
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Maze
Medal Tally
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N Queens
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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
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
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
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QR Encoder
Quadratic Formula
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Assembly
AWK
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brainfuck
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C++
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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
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
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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
GolfingSuccess
50
10ms
11 mins ago
Pangram Grep
Babafaba
84
9ms
33 mins ago
Tower of Hanoi
sean-niemann
50
9ms
106 mins ago
Minesweeper
LordSir101
261
14ms
117 mins ago
Tutorial
Openstreetmapler
157
10ms
3 hours ago
Tower of Hanoi
emplv
62
9ms
4 hours ago
Tower of Hanoi
rucin93
50
8ms
4 hours ago
Tower of Hanoi
DialFrost
64
9ms
6 hours ago
Tower of Hanoi
targrik
51
9ms
6 hours ago
Day of Week
randomuser1312
74
40ms
7 hours ago
Hexagonal Spiral
targrik
324
9ms
8 hours ago
Tower of Hanoi
duckyluuk
66
9ms
8 hours ago
99 Bottles of Beer
LarsFredrikHolstTry
295
9ms
13 hours ago
Tower of Hanoi
albanian-laundromat
70
9ms
15 hours ago
Niven Numbers (Long)
Babafaba
65
10ms
16 hours ago
Niven Numbers
Babafaba
43
8ms
16 hours ago
Tower of Hanoi
Shanethegamer
70
9ms
16 hours ago
Niven Numbers
luuumine
🥇
42
9ms
29 hours ago
Minesweeper
sean-niemann
108
17ms
34 hours ago
Leap Years
luuumine
42
9ms
36 hours ago
Ellipse Perimeters
sean-niemann
56
12ms
42 hours ago
Minesweeper
albanian-laundromat
147
12ms
42 hours ago
Morse Decoder
CaedenHarper
697
79ms
46 hours ago
Foo Fizz Buzz Bar
luuumine
89
92ms
2 days ago
Fizz Buzz
luuumine
🥇
56
17ms
2 days ago
Evil Numbers
luuumine
42
12ms
2 days ago
Odious Numbers
luuumine
42
15ms
2 days ago
Odious Numbers (Long)
luuumine
44
82ms
2 days ago
Evil Numbers (Long)
luuumine
45
20ms
2 days ago
Minesweeper
rucin93
105
17ms
2 days ago
Minesweeper
emplv
105
12ms
2 days ago
Minesweeper
KrausRaus
131
16ms
2 days ago
Recamán
Laellekoenig
108
12ms
2 days ago
Fibonacci
Laellekoenig
56
50ms
2 days ago
Day of Week
LarsFredrikHolstTry
83
74ms
2 days ago
Fizz Buzz
LarsFredrikHolstTry
🥇
56
12ms
2 days ago
Abundant Numbers (Long)
biocommando
55
10ms
3 days ago
Foo Fizz Buzz Bar
levinwinter
98
10ms
3 days ago
Foo Fizz Buzz Bar
Laellekoenig
117
9ms
3 days ago
Fizz Buzz
Laellekoenig
87
9ms
3 days ago
Day of Week
jateute
86
43ms
3 days ago
Minesweeper
voytxt
114
13ms
3 days ago
Minesweeper
Shanethegamer
118
11ms
3 days ago
Minesweeper
targrik
158
12ms
3 days ago
Pangram Grep
Ralac07
118
10ms
3 days ago
Leap Years
Ralac07
51
9ms
3 days ago
Minesweeper
DialFrost
161
12ms
3 days ago
Minesweeper
CaedenHarper
132
12ms
4 days ago
Game of Life
edsrzf
107
10ms
4 days ago
Musical Chords
emgordon154
147
10ms
4 days ago
Ellipse Perimeters
stefangimmillaro
72
8ms
4 days ago
Tongue-twisters
CornerMercury
313
8ms
4 days ago
Day of Week
snoozingnewt
75
42ms
5 days ago
Odious Numbers (Long)
snoozingnewt
45
8ms
5 days ago
Odious Numbers
snoozingnewt
44
9ms
5 days ago
Evil Numbers (Long)
snoozingnewt
46
9ms
5 days ago
Evil Numbers
snoozingnewt
44
9ms
5 days ago
Abundant Numbers (Long)
tigerdan2
55
11ms
5 days ago
Set
iczelia
247
11ms
5 days ago
Tic-tac-toe
iczelia
159
13ms
5 days ago
Repeating Decimals
iczelia
204
10ms
5 days ago
Arabic to Roman
zekestephens
159
14ms
5 days ago
Trinomial Triangle
JayXon
💎
65
8ms
5 days ago
Trinomial Triangle
dokutan
748
9ms
5 days ago
Look and Say
dokutan
117
12ms
5 days ago
Poker
iczelia
605
11ms
6 days ago
Diamonds
EzraYoungren
185
10ms
6 days ago
Diamonds
Spovis
363
8ms
6 days ago
Diamonds
isneace
274
8ms
6 days ago
Diamonds
bremersj
134
8ms
6 days ago
Diamonds
GabeRedBalloon
225
8ms
6 days ago
N Queens
KasperKivimaeki
135
10ms
6 days ago
Evil Numbers
levinwinter
51
8ms
6 days ago
Evil Numbers
SunHao-0
66
8ms
6 days ago
Evil Numbers
Laellekoenig
59
8ms
6 days ago