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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brainfuck
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Catalan’s Constant
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Emirp Numbers (Long)
Emojify
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Factorial Factorisation
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Fractions
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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N Queens
Niven Numbers
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
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Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
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
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
Minesweeper
dokutan
205
1,481ms
7 mins ago
ln 2
snoozingnewt
58
344ms
77 mins ago
√2
snoozingnewt
48
338ms
78 mins ago
𝑒
snoozingnewt
47
321ms
78 mins ago
Tower of Hanoi
pardouin
67
414ms
2 hours ago
Tutorial
Openstreetmapler
158
561ms
3 hours ago
Minesweeper
CaedenHarper
141
541ms
4 hours ago
ROT13
CaedenHarper
58
357ms
4 hours ago
Minesweeper
albanian-laundromat
131
417ms
5 hours ago
Reversi
Babafaba
194
369ms
8 hours ago
𝑒
Babafaba
🥇
46
332ms
9 hours ago
ln 2
Babafaba
🥇
51
326ms
9 hours ago
√2
Babafaba
🥇
47
312ms
9 hours ago
Tower of Hanoi
GolfingSuccess
55
427ms
10 hours ago
Fibonacci
albanian-laundromat
37
317ms
12 hours ago
12 Days of Christmas
albanian-laundromat
203
386ms
12 hours ago
Transpose Sentence
albanian-laundromat
66
349ms
12 hours ago
Rijndael S-box
Babafaba
146
350ms
14 hours ago
Tower of Hanoi
albanian-laundromat
73
477ms
15 hours ago
Proximity Grid
Babafaba
424
912ms
15 hours ago
Minesweeper
emgordon154
134
517ms
15 hours ago
Jacobi Symbol
Babafaba
209
478ms
16 hours ago
ASCII Table
Babafaba
96
339ms
16 hours ago
Partition Numbers
Babafaba
67
318ms
16 hours ago
Tower of Hanoi
Shanethegamer
70
406ms
16 hours ago
Happy Numbers
Babafaba
48
361ms
16 hours ago
Pascal’s Triangle
Babafaba
54
339ms
16 hours ago
Tower of Hanoi
AlephSquirrel
56
414ms
17 hours ago
ROT13
Babafaba
59
341ms
17 hours ago
Tower of Hanoi
kg583
52
366ms
17 hours ago
CSS Colors
Babafaba
1,258
361ms
21 hours ago
Minesweeper
Babafaba
233
860ms
21 hours ago
Arrows
Babafaba
168
484ms
22 hours ago
Arabic to Roman
CaedenHarper
156
592ms
28 hours ago
Emojify
Babafaba
156
394ms
29 hours ago
Maze
Babafaba
170
486ms
29 hours ago
QR Decoder
Babafaba
146
358ms
29 hours ago
Musical Chords
Babafaba
252
699ms
32 hours ago
Polyominoes
Babafaba
200
360ms
33 hours ago
Hexdump
Babafaba
120
321ms
34 hours ago
Spelling Numbers
Babafaba
232
366ms
34 hours ago
brainfuck
Babafaba
164
385ms
37 hours ago
Topological Sort
Babafaba
247
730ms
38 hours ago
Rock-paper-scissors-Spock-lizard
Babafaba
151
417ms
38 hours ago
Ascending Primes
Babafaba
86
2,496ms
43 hours ago
Minesweeper
KatieLG
209
611ms
2 days ago
Minesweeper
duckyluuk
125
457ms
2 days ago
Minesweeper
GolfingSuccess
117
827ms
2 days ago
Transpose Sentence
CornerMercury
🥇
65
407ms
2 days ago
Minesweeper
m-tkach
122
480ms
3 days ago
Morse Decoder
snoozingnewt
145
406ms
3 days ago
Minesweeper
HumanoidCPU
146
351ms
3 days ago
Minesweeper
Shanethegamer
137
479ms
3 days ago
Minesweeper
kg583
88
343ms
3 days ago
Sudoku (Fill-in)
snoozingnewt
325
388ms
3 days ago
Minesweeper
pardouin
133
2,345ms
3 days ago
Minesweeper
AlephSquirrel
133
520ms
4 days ago
Sudoku
Babafaba
372
425ms
4 days ago
Minesweeper
snoozingnewt
118
395ms
4 days ago
Minesweeper
ovs-code
120
712ms
4 days ago
Musical Chords
emgordon154
117
444ms
4 days ago
Sudoku (Fill-in)
Babafaba
228
950ms
4 days ago
Zeckendorf Representation
Babafaba
95
400ms
4 days ago
Set
Babafaba
86
393ms
4 days ago
Rule 110
Babafaba
90
364ms
4 days ago
Medal Tally
Babafaba
134
372ms
4 days ago
Star Wars GPT
Babafaba
160
576ms
5 days ago
Smith Numbers
Babafaba
98
1,020ms
5 days ago
Catalan Numbers
snoozingnewt
47
400ms
5 days ago
Sierpiński Triangle
Babafaba
74
404ms
5 days ago
Tongue-twisters
Babafaba
239
354ms
5 days ago
Game of Life
Babafaba
132
363ms
5 days ago
Forsyth–Edwards Notation
Babafaba
153
621ms
5 days ago
N Queens
Babafaba
104
380ms
5 days ago
Odious Numbers (Long)
snoozingnewt
40
339ms
5 days ago