The
Minesweeper
hole will go live in approximately
30 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
Bytes
Time
Submitted
Fibonacci
ApoChagi
136
7ms
4 days ago
Lucky Tickets
KatieLG
3,508
7ms
5 days ago
π
CLOStrophobic
1,002
10ms
8 days ago
Pernicious Numbers
snoozingnewt
99
7ms
9 days ago
Lucky Tickets
dokutan
3,445
7ms
11 days ago
Farey Sequence
Babafaba
4,364
7ms
11 days ago
Mandelbrot
Babafaba
10,014
8ms
11 days ago
Hilbert Curve
Babafaba
5,128
7ms
11 days ago
Fibonacci
duckyluuk
163
7ms
14 days ago
Tutorial
luuumine
218
10ms
14 days ago
Tutorial
Babafaba
218
8ms
14 days ago
Odious Numbers
snoozingnewt
72
7ms
17 days ago
Fizz Buzz
h3ra993huskp
511
6ms
17 days ago
Spelling Numbers
KatieLG
33,661
38ms
18 days ago
Rock-paper-scissors-Spock-lizard
KatieLG
🥉
919
9ms
18 days ago
Ordinal Numbers
KatieLG
14,010
36ms
18 days ago
Musical Chords
KatieLG
💎
7,556
18ms
18 days ago
United States
KatieLG
1,080
9ms
18 days ago
Star Wars Opening Crawl
jared-hughes
💎
562
25ms
18 days ago
Fizz Buzz
pardouin
146
7ms
18 days ago
Fibonacci
snoozingnewt
133
7ms
23 days ago
Highly Composite Numbers
snoozingnewt
391
7ms
23 days ago
Trinomial Triangle
dokutan
🥈
2,066
8ms
24 days ago
Fizz Buzz
snoozingnewt
142
7ms
24 days ago
Niven Numbers
snoozingnewt
90
9ms
25 days ago
Prime Numbers
snoozingnewt
70
9ms
25 days ago
Evil Numbers
snoozingnewt
69
10ms
25 days ago
Happy Numbers
snoozingnewt
106
9ms
25 days ago
Emirp Numbers
snoozingnewt
135
7ms
25 days ago
Rijndael S-box
snoozingnewt
🥉
767
7ms
27 days ago
Number Spiral
snoozingnewt
309
7ms
27 days ago
Hilbert Curve
snoozingnewt
🥇
5,117
7ms
27 days ago
Pangram Grep
CornerMercury
3,447
20ms
2 Oct 2025
Trinomial Triangle
blaztoma
💎
785
8ms
30 Sep 2025
Trinomial Triangle
CaedenHarper
4,745
7ms
30 Sep 2025
Collatz
kmathis22
195
20ms
25 Sep 2025
Fibonacci
iczelia
305
8ms
22 Sep 2025
Tutorial
snoozingnewt
80
36ms
15 Sep 2025
Rock-paper-scissors-Spock-lizard
dokutan
🥈
867
9ms
13 Sep 2025
United States
dokutan
999
10ms
13 Sep 2025
CSS Colors
dokutan
🥉
3,401
8ms
13 Sep 2025
Spelling Numbers
dokutan
36,627
36ms
13 Sep 2025
Hilbert Curve
BREMAUCY
🥇
5,117
7ms
4 Sep 2025
Inventory Sequence
blaztoma
10,622
8ms
4 Sep 2025
Hilbert Curve
ndren
🥇
5,117
7ms
3 Sep 2025
𝑒
Jacob385
1,002
7ms
3 Sep 2025
Hilbert Curve
CaedenHarper
8,515
7ms
28 Aug 2025
Fibonacci
albanian-laundromat
92
7ms
26 Aug 2025
Niven Numbers
retrohun
122
8ms
24 Aug 2025
Tutorial
Vexxter9
218
10ms
21 Aug 2025
Partition Numbers
CaedenHarper
745
7ms
16 Aug 2025
Mandelbrot
CaedenHarper
10,043
8ms
16 Aug 2025
Sierpiński Triangle
CaedenHarper
2,633
7ms
16 Aug 2025
Van Eck Sequence
CaedenHarper
3,553
7ms
16 Aug 2025
Vampire Numbers
CaedenHarper
1,224
7ms
16 Aug 2025
Smith Numbers
CaedenHarper
2,198
8ms
16 Aug 2025
Rule 110
CaedenHarper
58,694
12ms
16 Aug 2025
Recamán
CaedenHarper
1,145
7ms
16 Aug 2025
Polyominoes
CaedenHarper
🥉
16,386
7ms
16 Aug 2025
Pernicious Numbers (Long)
CaedenHarper
24,912
9ms
16 Aug 2025
Pernicious Numbers
CaedenHarper
133
7ms
16 Aug 2025
Pascal’s Triangle
CaedenHarper
2,117
6ms
16 Aug 2025
Odious Numbers (Long)
CaedenHarper
2,443
8ms
16 Aug 2025
Odious Numbers
CaedenHarper
97
7ms
16 Aug 2025
Number Spiral
CaedenHarper
1,008
7ms
16 Aug 2025
Niven Numbers (Long)
CaedenHarper
8,974
10ms
16 Aug 2025
Niven Numbers
CaedenHarper
122
7ms
16 Aug 2025
N Queens
CaedenHarper
1,392
8ms
16 Aug 2025
Lucky Numbers
CaedenHarper
5,818
8ms
16 Aug 2025
Look and Say
CaedenHarper
1,297
8ms
16 Aug 2025
Leyland Numbers
CaedenHarper
991
7ms
16 Aug 2025
Leap Years
CaedenHarper
874
7ms
16 Aug 2025
Kolakoski Sequence
CaedenHarper
1,999
7ms
16 Aug 2025
Kaprekar Numbers
CaedenHarper
506
8ms
16 Aug 2025
Inventory Sequence
CaedenHarper
3,621
7ms
16 Aug 2025