The
Minesweeper
hole will go live in approximately
13 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
Set
snoozingnewt
🥉
193
23ms
12 hours ago
Pangram Grep
Babafaba
140
3ms
13 hours ago
Tower of Hanoi
sean-niemann
60
2ms
14 hours ago
Mandelbrot
snoozingnewt
174
142ms
15 hours ago
Minesweeper
albanian-laundromat
114
16ms
15 hours ago
Tower of Hanoi
rucin93
68
2ms
16 hours ago
Tutorial
Openstreetmapler
439
2ms
16 hours ago
Fibonacci
albanian-laundromat
41
2ms
24 hours ago
Tower of Hanoi
albanian-laundromat
82
2ms
32 hours ago
Tower of Hanoi
Shanethegamer
4,098
2ms
32 hours ago
Kolakoski Sequence
snoozingnewt
112
3ms
33 hours ago
Scrambled Sort
albanian-laundromat
🥈
195
6ms
2 days ago
Zeckendorf Representation
albanian-laundromat
70
3ms
2 days ago
Card Number Validation
albanian-laundromat
84
3ms
2 days ago
Ellipse Perimeters
Shanethegamer
40
1ms
3 days ago
Pernicious Numbers
CaedenHarper
44
1ms
4 days ago
Evil Numbers
snoozingnewt
73
1ms
5 days ago
Evil Numbers (Long)
snoozingnewt
75
2ms
5 days ago
Odious Numbers
snoozingnewt
69
2ms
5 days ago
Odious Numbers (Long)
snoozingnewt
70
2ms
5 days ago
Fibonacci
snoozingnewt
39
2ms
6 days ago
Tongue-twisters
snoozingnewt
🥉
381
2ms
7 days ago
Happy Numbers
iczelia
270
3ms
10 days ago
Pernicious Numbers
snoozingnewt
🥇
40
2ms
10 days ago
Seven Segment
iczelia
192
2ms
11 days ago
Topological Sort
iczelia
🥉
235
12ms
11 days ago
DFA Simulator
snoozingnewt
267
5ms
13 days ago
Prime Numbers (Long)
CaedenHarper
62
1,660ms
13 days ago
Prime Numbers
CaedenHarper
61
2ms
13 days ago
Partition Numbers
iczelia
109
6ms
13 days ago
Polyominoes
emgordon154
🥈
1,062
2ms
14 days ago
Polyominoes
snoozingnewt
💎
1,005
3ms
14 days ago
Hilbert Curve
snoozingnewt
🥈
497
2ms
14 days ago
Tutorial
luuumine
439
3ms
14 days ago
24 Game
rucin93
💎
272
3,941ms
15 days ago
Tutorial
Babafaba
439
3ms
15 days ago
Trinomial Triangle
dokutan
2,097
2ms
15 days ago
Farey Sequence
snoozingnewt
112
2ms
16 days ago
Christmas Trees
iczelia
111
2ms
16 days ago
Abundant Numbers (Long)
iczelia
69
23ms
16 days ago
Abundant Numbers
iczelia
68
3ms
16 days ago
Smith Numbers
snoozingnewt
153
2,429ms
17 days ago
Van Eck Sequence
snoozingnewt
64
3ms
17 days ago
Inventory Sequence
snoozingnewt
55
2ms
17 days ago
Leyland Numbers
snoozingnewt
120
3ms
18 days ago
Quine
snoozingnewt
52
2ms
18 days ago
Prime Numbers (Long)
iczelia
56
125ms
19 days ago
Prime Numbers
iczelia
54
2ms
19 days ago
Odious Numbers
Babafaba
50
2ms
20 days ago
Arabic to Roman
iczelia
180
99ms
20 days ago
Pascal’s Triangle
iczelia
69
2ms
20 days ago
Arithmetic Numbers
snoozingnewt
77
1,878ms
21 days ago
Abundant Numbers
snoozingnewt
63
2ms
21 days ago
Abundant Numbers (Long)
snoozingnewt
63
22ms
21 days ago
Prime Numbers (Long)
snoozingnewt
62
1,734ms
22 days ago
Prime Numbers
snoozingnewt
61
3ms
22 days ago
Trinomial Triangle
edsrzf
🥈
90
2ms
23 days ago
Foo Fizz Buzz Bar
snoozingnewt
86
2ms
23 days ago
Tic-tac-toe
Salutations45
🥉
82
10ms
24 days ago
Day of Week
Salutations45
🥇
48
3ms
24 days ago
Recamán
albanian-laundromat
58
3ms
25 days ago
Rock-paper-scissors-Spock-lizard
Salutations45
💎
168
11ms
25 days ago
Poker
Salutations45
💎
313
26ms
26 days ago
Trinomial Triangle
albanian-laundromat
🥉
99
2ms
26 days ago
Proximity Grid
Salutations45
🥈
133
71ms
26 days ago
Trinomial Triangle
Salutations45
💎
61
2ms
27 days ago
Fizz Buzz
Yax42
84
2ms
27 days ago
Leap Years
matejmatik123
55
2ms
3 Oct 2025
Pascal’s Triangle
Salutations45
51
2ms
3 Oct 2025
Gray Code Decoder
kg583
53
12ms
2 Oct 2025
Intersection
snoozingnewt
122
10ms
2 Oct 2025
Fibonacci
jacekwladzinski
49
2ms
2 Oct 2025
Pangram Grep
CornerMercury
74
2ms
2 Oct 2025
ASCII Table
albanian-laundromat
124
2ms
2 Oct 2025
Prime Numbers
albanian-laundromat
42
2ms
1 Oct 2025