The
Minesweeper
hole will go live in approximately
5 days
. Why not try and solve it ahead of time?
Recent Solutions
Golfers
Solutions
All Holes
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
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
Turtle
Tutorial
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iogii
Knight
Luau
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Qore
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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
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Minesweeper
namelessiw
119
466ms
89 mins ago
Rule 110
CaedenHarper
244
342ms
7 hours ago
Kolakoski Constant
CaedenHarper
219
400ms
7 hours ago
λ
CaedenHarper
295
655ms
7 hours ago
Odious Numbers (Long)
snoozingnewt
66
359ms
20 hours ago
Odious Numbers
snoozingnewt
65
344ms
20 hours ago
Evil Numbers (Long)
snoozingnewt
67
316ms
20 hours ago
Evil Numbers
snoozingnewt
65
301ms
20 hours ago
Trinomial Triangle
AdrienHache
🥇
98
331ms
22 hours ago
Fractions
Adix-null
190
393ms
42 hours ago
24 Game
tomh1012
13,348
2,259ms
45 hours ago
Rijndael S-box
Babafaba
790
375ms
2 days ago
Ellipse Perimeters
Shanethegamer
111
401ms
2 days ago
Ellipse Perimeters
namelessiw
130
348ms
2 days ago
Reversi
namelessiw
🥉
174
339ms
3 days ago
Rijndael S-box
arcpolaris
260
417ms
4 days ago
γ
CaedenHarper
208
2,913ms
4 days ago
Factorial Factorisation
CaedenHarper
165
372ms
4 days ago
Catalan’s Constant
CaedenHarper
208
1,147ms
4 days ago
Sudoku (Fill-in)
CaedenHarper
686
436ms
4 days ago
Sudoku
CaedenHarper
1,014
467ms
4 days ago
12 Days of Christmas
CaedenHarper
515
486ms
4 days ago
Proximity Grid
CaedenHarper
461
446ms
4 days ago
τ
CaedenHarper
122
399ms
4 days ago
π
CaedenHarper
122
383ms
4 days ago
Collatz
Flix7dev
84
410ms
4 days ago
Ascending Primes
CaedenHarper
187
805ms
4 days ago
Star Wars Opening Crawl
CaedenHarper
573
443ms
4 days ago
Reversi
CaedenHarper
309
398ms
4 days ago
Polyominoes
CaedenHarper
901
383ms
4 days ago
Morse Encoder
CaedenHarper
1,330
449ms
4 days ago
Maze
CaedenHarper
364
513ms
4 days ago
Mahjong
CaedenHarper
1,053
538ms
4 days ago
Odious Numbers (Long)
CaedenHarper
98
379ms
4 days ago
Evil Numbers (Long)
CaedenHarper
99
378ms
4 days ago
Pernicious Numbers (Long)
CaedenHarper
118
399ms
4 days ago
Hilbert Curve
CaedenHarper
508
388ms
4 days ago
Gijswijt’s Sequence
CaedenHarper
175
335ms
4 days ago
Leyland Numbers
CaedenHarper
147
384ms
4 days ago
Partition Numbers
CaedenHarper
165
449ms
4 days ago
Vampire Numbers
CaedenHarper
251
562ms
4 days ago
Diamonds
CaedenHarper
183
435ms
4 days ago
24 Game
CaedenHarper
727
1,035ms
4 days ago
Poker
CaedenHarper
668
525ms
4 days ago
brainfuck
CaedenHarper
439
447ms
4 days ago
N Queens
CaedenHarper
301
375ms
4 days ago
Happy Numbers
CaedenHarper
112
366ms
4 days ago
Happy Numbers (Long)
CaedenHarper
112
399ms
4 days ago
Fibonacci
Flix7dev
69
375ms
4 days ago
Morse Decoder
CaedenHarper
1,384
510ms
4 days ago
ASCII Table
CaedenHarper
177
491ms
4 days ago
Arabic to Roman
Flix7dev
271
461ms
5 days ago
Catalan Numbers
CaedenHarper
82
353ms
5 days ago
Recamán
CaedenHarper
108
336ms
5 days ago
Inventory Sequence
CaedenHarper
114
369ms
5 days ago
Mandelbrot
CaedenHarper
200
350ms
5 days ago
Pernicious Numbers
snoozingnewt
🥇
55
328ms
5 days ago
Trinomial Triangle
MeWhenI
143
332ms
5 days ago
Sierpiński Triangle
stefangimmillaro
84
390ms
6 days ago
brainfuck
snoozingnewt
478
437ms
6 days ago
Rijndael S-box
CaedenHarper
231
418ms
6 days ago
Look and Say
CaedenHarper
145
400ms
6 days ago
ln 2
CaedenHarper
165
960ms
7 days ago
𝑒
CaedenHarper
120
353ms
7 days ago
φ
CaedenHarper
113
850ms
7 days ago
√2
CaedenHarper
114
361ms
7 days ago
Emirp Numbers (Long)
CaedenHarper
184
498ms
7 days ago
Abundant Numbers (Long)
CaedenHarper
85
367ms
7 days ago
Abundant Numbers
CaedenHarper
85
328ms
7 days ago
Kaprekar Numbers
CaedenHarper
108
657ms
7 days ago
Number Spiral
CaedenHarper
138
397ms
7 days ago
Hilbert Curve
snoozingnewt
592
359ms
7 days ago
DFA Simulator
snoozingnewt
199
448ms
8 days ago
Rock-paper-scissors-Spock-lizard
CaedenHarper
461
458ms
8 days ago
Christmas Trees
CaedenHarper
134
429ms
8 days ago