The
Minesweeper
hole will go live in approximately
26 hours
. 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
Tower of Hanoi
Turtle
Tutorial
All Languages
><>
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
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
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
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
Pangram Grep
Babafaba
499
1,720ms
a min ago
Tutorial
Openstreetmapler
479
2,149ms
3 hours ago
Tower of Hanoi
Shanethegamer
4,141
1,623ms
19 hours ago
Collatz
der-teufel-programming
188
1,627ms
3 days ago
λ
FortuiteMan
1,240
1,619ms
3 days ago
Pangram Grep
klixel
269
1,740ms
5 days ago
Happy Numbers
Babafaba
294
1,751ms
5 days ago
Odious Numbers
Babafaba
254
1,715ms
5 days ago
Quine
snoozingnewt
89
1,656ms
6 days ago
Tic-tac-toe
CaedenHarper
🥈
572
1,754ms
6 days ago
United States
dokutan
🥉
3,301
1,766ms
7 days ago
Emojify
dokutan
1,638
1,753ms
7 days ago
Fibonacci
retrohun
428
1,654ms
7 days ago
CSS Colors
dokutan
10,839
1,836ms
8 days ago
Vampire Numbers
dokutan
💎
333
1,869ms
8 days ago
Smith Numbers
dokutan
552
2,047ms
8 days ago
Lucky Numbers
dokutan
1,193
1,975ms
8 days ago
Emirp Numbers (Long)
dokutan
418
2,433ms
8 days ago
Mandelbrot
dokutan
861
2,274ms
9 days ago
𝑒
dokutan
445
2,501ms
9 days ago
√2
dokutan
445
1,912ms
9 days ago
φ
dokutan
445
2,145ms
9 days ago
τ
dokutan
445
2,342ms
9 days ago
π
dokutan
445
1,790ms
9 days ago
λ
dokutan
445
1,965ms
9 days ago
γ
dokutan
💎
445
1,913ms
9 days ago
Van Eck Sequence
dokutan
963
1,790ms
9 days ago
Trinomial Triangle
dokutan
800
1,798ms
9 days ago
Recamán
dokutan
410
1,792ms
9 days ago
Polyominoes
dokutan
💎
1,299
1,905ms
9 days ago
Partition Numbers
dokutan
327
1,968ms
9 days ago
Number Spiral
dokutan
💎
211
1,846ms
9 days ago
N Queens
dokutan
🥉
526
1,918ms
9 days ago
Look and Say
dokutan
537
2,016ms
9 days ago
Leyland Numbers
dokutan
🥉
406
1,964ms
9 days ago
Kolakoski Sequence
dokutan
778
2,024ms
9 days ago
Kolakoski Constant
dokutan
🥉
445
1,759ms
9 days ago
Kaprekar Numbers
dokutan
258
1,864ms
9 days ago
Inventory Sequence
dokutan
985
1,983ms
9 days ago
Happy Numbers (Long)
dokutan
295
1,744ms
9 days ago
Happy Numbers
dokutan
🥉
147
2,034ms
9 days ago
Gijswijt’s Sequence
dokutan
🥈
778
1,992ms
9 days ago
Emirp Numbers
dokutan
156
1,765ms
9 days ago
Diamonds
dokutan
479
1,954ms
9 days ago
Catalan’s Constant
dokutan
🥉
445
1,832ms
9 days ago
Catalan Numbers
dokutan
1,068
1,816ms
9 days ago
Ascending Primes
dokutan
🥈
282
1,959ms
9 days ago
24 Game
dokutan
🥈
4,255
1,971ms
9 days ago
ln 2
dokutan
445
1,862ms
9 days ago
Pernicious Numbers
dokutan
138
1,828ms
9 days ago
Prime Numbers
dokutan
131
1,745ms
9 days ago
Pernicious Numbers (Long)
dokutan
181
1,862ms
9 days ago
Foo Fizz Buzz Bar
dokutan
319
1,750ms
9 days ago
Evil Numbers (Long)
dokutan
🥉
124
1,826ms
9 days ago
Collatz
dokutan
172
1,884ms
9 days ago
Arithmetic Numbers
dokutan
172
1,861ms
9 days ago
Abundant Numbers (Long)
dokutan
153
1,878ms
9 days ago
Prime Numbers (Long)
dokutan
152
1,968ms
9 days ago
Niven Numbers (Long)
dokutan
161
1,806ms
10 days ago
Farey Sequence
dokutan
237
2,116ms
11 days ago
Quine
dokutan
111
1,846ms
11 days ago
Pascal’s Triangle
dokutan
🥉
172
1,715ms
11 days ago
Fizz Buzz
dokutan
238
1,867ms
11 days ago
Evil Numbers
dokutan
123
1,852ms
11 days ago
Odious Numbers
dokutan
123
1,898ms
11 days ago
Odious Numbers (Long)
dokutan
🥉
124
1,878ms
11 days ago
Niven Numbers
dokutan
123
1,844ms
11 days ago
Leap Years
dokutan
🥈
123
1,809ms
11 days ago
Fibonacci
dokutan
139
2,017ms
11 days ago
Divisors
dokutan
152
2,021ms
11 days ago
Abundant Numbers
dokutan
153
1,861ms
14 days ago
Tutorial
luuumine
479
2,796ms
14 days ago
Pangram Grep
duckyluuk
334
1,863ms
14 days ago
Tutorial
Babafaba
479
2,793ms
14 days ago
π
Ralac07
1,090
1,856ms
15 days ago