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
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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
Bytes
Time
Submitted
Tower of Hanoi
Shanethegamer
3,584
3ms
19 hours ago
Tutorial
Babafaba
100
4ms
14 days ago
Fizz Buzz
snoozingnewt
63
3ms
20 days ago
Tutorial
retrohun
100
5ms
19 Sep 2025
Tutorial
snoozingnewt
52
3ms
15 Sep 2025
Fizz Buzz
CaedenHarper
63
4ms
28 Aug 2025
Tutorial
Vexxter9
100
4ms
21 Aug 2025
Highly Composite Numbers
HumanoidCPU
399
4ms
18 Aug 2025
Semiprime Numbers
HumanoidCPU
12,796
4ms
18 Aug 2025
Hilbert Curve
HumanoidCPU
5,125
3ms
18 Aug 2025
Abundant Numbers (Long)
HumanoidCPU
971
2ms
18 Aug 2025
Polyominoes
HumanoidCPU
3,571
3ms
18 Aug 2025
Recamán
HumanoidCPU
904
3ms
18 Aug 2025
Pascal’s Triangle
HumanoidCPU
776
3ms
18 Aug 2025
Kaprekar Numbers
HumanoidCPU
447
3ms
18 Aug 2025
Happy Numbers
HumanoidCPU
114
3ms
18 Aug 2025
Happy Numbers (Long)
HumanoidCPU
559
4ms
18 Aug 2025
Emirp Numbers (Long)
HumanoidCPU
1,163
3ms
18 Aug 2025
Catalan Numbers
HumanoidCPU
2,879
3ms
18 Aug 2025
Tongue-twisters
HumanoidCPU
530
3ms
18 Aug 2025
Van Eck Sequence
HumanoidCPU
2,562
3ms
17 Aug 2025
Abundant Numbers
HumanoidCPU
170
3ms
16 Aug 2025
Look and Say
HumanoidCPU
1,286
3ms
15 Aug 2025
Leyland Numbers
HumanoidCPU
893
3ms
15 Aug 2025
Farey Sequence
HumanoidCPU
4,361
3ms
15 Aug 2025
Diamonds
HumanoidCPU
1,110
4ms
14 Aug 2025
Niven Numbers
HumanoidCPU
98
3ms
14 Aug 2025
Lucky Numbers
HumanoidCPU
4,827
3ms
14 Aug 2025
Inventory Sequence
HumanoidCPU
2,630
3ms
14 Aug 2025
Gijswijt’s Sequence
HumanoidCPU
2,007
3ms
14 Aug 2025
Smith Numbers
HumanoidCPU
1,831
3ms
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,078
3ms
14 Aug 2025
Arithmetic Numbers
HumanoidCPU
37,649
4ms
14 Aug 2025
Odious Numbers (Long)
HumanoidCPU
1,952
3ms
14 Aug 2025
Evil Numbers (Long)
HumanoidCPU
1,957
3ms
14 Aug 2025
N Queens
HumanoidCPU
1,253
3ms
14 Aug 2025
Pernicious Numbers (Long)
HumanoidCPU
20,669
4ms
14 Aug 2025
Divisors
HumanoidCPU
1,173
3ms
14 Aug 2025
Foo Fizz Buzz Bar
HumanoidCPU
5,726
3ms
14 Aug 2025
Prime Numbers (Long)
HumanoidCPU
5,955
3ms
14 Aug 2025
Niven Numbers (Long)
HumanoidCPU
7,445
3ms
14 Aug 2025
N Queens
ovs-code
100
2,826ms
12 Aug 2025
Odious Numbers
HumanoidCPU
80
3ms
11 Aug 2025
Evil Numbers
HumanoidCPU
77
3ms
10 Aug 2025
Trinomial Triangle
HumanoidCPU
2,074
4ms
6 Aug 2025
Rijndael S-box
HumanoidCPU
775
4ms
4 Aug 2025
Prime Numbers
HumanoidCPU
78
4ms
2 Aug 2025
Sierpiński Triangle
HumanoidCPU
561
5ms
2 Aug 2025
Hexdump
ovs-code
203
4ms
31 Jul 2025
Sphenic Numbers
HumanoidCPU
8,867
3ms
29 Jul 2025
π
Ralac07
1,010
3ms
28 Jul 2025
Ordinal Numbers
ovs-code
69
45ms
27 Jul 2025
Transpose Sentence
ovs-code
63
3ms
27 Jul 2025
Kaprekar Numbers
ovs-code
86
2,533ms
25 Jul 2025
√2
ovs-code
102
1,531ms
25 Jul 2025
φ
ovs-code
100
1,315ms
25 Jul 2025
ASCII Table
ovs-code
121
3ms
25 Jul 2025
Forsyth–Edwards Notation
ovs-code
98
3ms
25 Jul 2025
Leap Years
ovs-code
43
3ms
19 Jul 2025
Pascal’s Triangle
ovs-code
55
3ms
19 Jul 2025
Van Eck Sequence
ovs-code
49
6ms
19 Jul 2025
Pernicious Numbers (Long)
ovs-code
48
10ms
19 Jul 2025
Pernicious Numbers
ovs-code
38
3ms
19 Jul 2025
Emirp Numbers (Long)
ovs-code
71
1,766ms
19 Jul 2025
Emirp Numbers
ovs-code
69
124ms
19 Jul 2025
Vampire Numbers
ovs-code
85
1,268ms
19 Jul 2025
Look and Say
ovs-code
63
4ms
19 Jul 2025
Prime Numbers (Long)
ovs-code
29
425ms
19 Jul 2025
Prime Numbers
ovs-code
28
4ms
19 Jul 2025
Tutorial
LostSyntax21
52
4ms
19 Jul 2025
Foo Fizz Buzz Bar
LostSyntax21
5,726
4ms
19 Jul 2025
Recamán
ovs-code
65
3ms
17 Jul 2025
Leyland Numbers
ovs-code
46
3ms
17 Jul 2025
Kolakoski Constant
ovs-code
66
205ms
17 Jul 2025
Collatz
ovs-code
64
9ms
17 Jul 2025