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
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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
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Minesweeper
ovs-code
61
34ms
2 hours ago
Abundant Numbers
blaztoma
74
38ms
16 hours ago
Odious Numbers
Babafaba
26
36ms
36 hours ago
N Queens
2bular
🥈
49
61ms
3 days ago
Farey Sequence
dokutan
2,489
52ms
3 days ago
Emirp Numbers
dokutan
162
36ms
3 days ago
Emirp Numbers (Long)
dokutan
896
40ms
3 days ago
Trinomial Triangle
stackofbears
🥉
37
42ms
5 days ago
Farey Sequence
2bular
47
44ms
6 days ago
Maze
SirBogman
🥉
95
52ms
6 days ago
Ellipse Perimeters
2bular
45
35ms
6 days ago
Calendar
ovs-code
44
37ms
6 days ago
Calendar
2bular
42
34ms
7 days ago
Arithmetic Numbers
2bular
36
135ms
7 days ago
Abundant Numbers (Long)
2bular
30
37ms
7 days ago
Abundant Numbers
2bular
29
35ms
7 days ago
Prime Numbers (Long)
2bular
🥇
13
36ms
7 days ago
Prime Numbers
2bular
🥇
11
38ms
7 days ago
√2
2bular
🥇
26
263ms
7 days ago
φ
2bular
🥇
23
115ms
7 days ago
Day of Week
ovs-code
🥈
82
39ms
7 days ago
Day of Week
2bular
💎
81
43ms
7 days ago
Transpose Sentence
2bular
32
35ms
8 days ago
Topological Sort
2bular
🥈
53
47ms
9 days ago
Tutorial
luuumine
97
55ms
10 days ago
φ
snoozingnewt
36
40ms
10 days ago
Tutorial
Babafaba
97
45ms
10 days ago
𝑒
2bular
🥇
23
56ms
10 days ago
Van Eck Sequence
2bular
26
39ms
11 days ago
τ
2bular
🥇
29
41ms
11 days ago
π
2bular
🥇
27
38ms
11 days ago
ROT13
2bular
🥇
40
34ms
11 days ago
Look and Say
2bular
🥈
42
32ms
11 days ago
Pangram Grep
2bular
40
35ms
11 days ago
Scrambled Sort
2bular
🥇
30
41ms
11 days ago
Recamán
2bular
🥈
35
36ms
12 days ago
Fizz Buzz
h3ra993huskp
66
37ms
13 days ago
Gray Code Decoder
SirBogman
28
40ms
16 days ago
Gray Code Encoder
SirBogman
34
37ms
16 days ago
Gray Code Encoder
2bular
31
39ms
16 days ago
Gray Code Decoder
ovs-code
29
45ms
16 days ago
Gray Code Encoder
ovs-code
31
40ms
16 days ago
Gray Code Decoder
2bular
28
45ms
16 days ago
Polyominoes
ovs-code
💎
67
828ms
17 days ago
Highly Composite Numbers
ovs-code
56
1,653ms
17 days ago
Mahjong
ovs-code
💎
126
1,135ms
17 days ago
Trinomial Triangle
dokutan
1,715
34ms
19 days ago
Emirp Numbers (Long)
snoozingnewt
68
52ms
20 days ago
Emirp Numbers
snoozingnewt
53
45ms
20 days ago
Tutorial
SirBogman
37
48ms
20 days ago
Divisors
emgordon154
26
35ms
20 days ago
Pernicious Numbers
Yax42
29
34ms
21 days ago
Pascal’s Triangle
snoozingnewt
17
33ms
24 days ago
Trinomial Triangle
snoozingnewt
364
36ms
25 days ago
Trinomial Triangle
CaedenHarper
2,188
36ms
25 days ago
Niven Numbers (Long)
fuzzylojik-golf
35
42ms
25 days ago
Niven Numbers
fuzzylojik-golf
33
38ms
25 days ago
Catalan Numbers
fuzzylojik-golf
🥇
21
42ms
25 days ago
Trinomial Triangle
SirBogman
38
34ms
26 days ago
√2
fuzzylojik-golf
27
92ms
25 Sep 2025
Hilbert Curve
SirBogman
🥈
119
34ms
24 Sep 2025
Tutorial
J09M
49
48ms
23 Sep 2025
Arrows
SirBogman
79
48ms
23 Sep 2025
SI Units
SirBogman
🥈
416
56ms
23 Sep 2025
Happy Numbers (Long)
SirBogman
35
45ms
23 Sep 2025
Divisors
fuzzylojik-golf
25
45ms
23 Sep 2025
Intersection
2bular
44
46ms
22 Sep 2025
Intersection
SirBogman
55
41ms
22 Sep 2025
𝑒
snoozingnewt
24
44ms
20 Sep 2025
Happy Numbers
snoozingnewt
50
41ms
20 Sep 2025
Happy Numbers (Long)
snoozingnewt
51
39ms
20 Sep 2025
Pernicious Numbers (Long)
snoozingnewt
31
37ms
20 Sep 2025
Pernicious Numbers
snoozingnewt
28
35ms
20 Sep 2025
Factorial Factorisation
2bular
💎
38
36ms
19 Sep 2025
Ascending Primes
2bular
🥇
27
1,490ms
17 Sep 2025