The
Minesweeper
hole will go live in approximately
30 hours
. Why not try and solve it ahead of time?
Recent Solutions
Golfers
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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
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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
Ascending Primes
HumanoidCPU
1,111
27ms
2 days ago
Prime Numbers
iczelia
30
14ms
6 days ago
Tutorial
Babafaba
90
15ms
15 days ago
Mandelbrot
ovs-code
93
104ms
22 Sep 2025
Tutorial
retrohun
141
16ms
19 Sep 2025
Hilbert Curve
ovs-code
134
14ms
15 Sep 2025
Tutorial
snoozingnewt
59
15ms
15 Sep 2025
Fizz Buzz
snoozingnewt
68
14ms
14 Sep 2025
Tutorial
ndren
141
16ms
5 Sep 2025
Fizz Buzz
madex
60
14ms
3 Sep 2025
Fizz Buzz
CaedenHarper
60
14ms
28 Aug 2025
Tutorial
Vexxter9
141
19ms
21 Aug 2025
Niven Numbers
hugoferreira
43
14ms
18 Aug 2025
Prime Numbers
HumanoidCPU
220
14ms
2 Aug 2025
π
Ralac07
1,010
14ms
28 Jul 2025
Kolakoski Constant
ovs-code
72
95ms
17 Jul 2025
Fizz Buzz
dokutan
60
14ms
15 Jul 2025
Topological Sort
ovs-code
121
32ms
14 Jul 2025
Tutorial
Bpc-CPU
141
16ms
12 Jul 2025
Quine
RYSF13
45
14ms
10 Jul 2025
Gijswijt’s Sequence
ovs-code
63
1,896ms
8 Jul 2025
Trinomial Triangle
ovs-code
29
15ms
4 Jul 2025
Mandelbrot
HumanoidCPU
10,331
34ms
30 Jun 2025
99 Bottles of Beer
TheDrawingCoder-Gamer
310
15ms
29 Jun 2025
Tutorial
TheDrawingCoder-Gamer
90
16ms
29 Jun 2025
Star Wars Opening Crawl
ovs-code
258
14ms
25 Jun 2025
λ
ovs-code
276
3,014ms
24 Jun 2025
Evil Numbers
YonYon2
60
13ms
24 Jun 2025
12 Days of Christmas
YonYon2
554
14ms
23 Jun 2025
γ
ovs-code
256
4,101ms
23 Jun 2025
SI Units
ovs-code
471
32ms
22 Jun 2025
United States
ovs-code
121
15ms
21 Jun 2025
Zodiac Signs
ovs-code
123
37ms
21 Jun 2025
Sudoku
ovs-code
288
46ms
21 Jun 2025
Sudoku (Fill-in)
ovs-code
163
377ms
21 Jun 2025
12 Days of Christmas
ovs-code
467
15ms
21 Jun 2025
Spelling Numbers
ovs-code
328
259ms
21 Jun 2025
Time Distance
ovs-code
235
18ms
21 Jun 2025
Ascending Primes
ovs-code
70
357ms
21 Jun 2025
Rock-paper-scissors-Spock-lizard
ovs-code
191
15ms
20 Jun 2025
Reversi
ovs-code
126
14ms
20 Jun 2025
Musical Chords
ovs-code
121
21ms
20 Jun 2025
Repeating Decimals
ovs-code
164
56ms
19 Jun 2025
QR Decoder
ovs-code
165
14ms
19 Jun 2025
Rijndael S-box
ovs-code
148
65ms
18 Jun 2025
Polyominoes
ovs-code
95
468ms
17 Jun 2025
Morse Encoder
ovs-code
171
14ms
17 Jun 2025
Morse Decoder
ovs-code
171
14ms
17 Jun 2025
Fizz Buzz
YonYon2
58
14ms
17 Jun 2025
Maze
ovs-code
122
106ms
17 Jun 2025
ln 2
ovs-code
114
457ms
17 Jun 2025
Forsyth–Edwards Notation
ovs-code
111
14ms
17 Jun 2025
DFA Simulator
ovs-code
173
19ms
17 Jun 2025
CSS Colors
ovs-code
697
15ms
17 Jun 2025
Tutorial
YonYon2
141
21ms
17 Jun 2025
Emojify
ovs-code
166
14ms
16 Jun 2025
Catalan’s Constant
ovs-code
670
15ms
16 Jun 2025
Arrows
ovs-code
115
16ms
16 Jun 2025
Tutorial
edsrzf
59
16ms
13 Jun 2025
Rule 110
ovs-code
60
14ms
13 Jun 2025
Seven Segment
ovs-code
113
14ms
13 Jun 2025
Factorial Factorisation
ovs-code
82
25ms
13 Jun 2025
Tongue-twisters
ovs-code
336
14ms
13 Jun 2025
Zeckendorf Representation
ovs-code
96
16ms
13 Jun 2025
√2
ovs-code
129
2,127ms
13 Jun 2025
φ
ovs-code
129
4,770ms
13 Jun 2025
Proximity Grid
ovs-code
145
116ms
13 Jun 2025
Game of Life
ovs-code
88
15ms
13 Jun 2025
Card Number Validation
ovs-code
76
15ms
13 Jun 2025
N Queens
ovs-code
88
15ms
11 Jun 2025
Cubes
ovs-code
137
15ms
11 Jun 2025
Transpose Sentence
ovs-code
80
15ms
8 Jun 2025
Ten-pin Bowling
ovs-code
128
14ms
8 Jun 2025
Star Wars GPT
ovs-code
138
15ms
8 Jun 2025
Scrambled Sort
ovs-code
79
15ms
8 Jun 2025