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
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
Tutorial
Openstreetmapler
158
162ms
3 hours ago
Tower of Hanoi
rucin93
53
131ms
4 hours ago
Tower of Hanoi
Shanethegamer
74
124ms
15 hours ago
SI Units
edsrzf
🥉
522
330ms
2 days ago
Minesweeper
sean-niemann
119
140ms
2 days ago
Minesweeper
Shanethegamer
118
141ms
3 days ago
Pernicious Numbers
CaedenHarper
50
119ms
3 days ago
Odious Numbers (Long)
snoozingnewt
55
126ms
5 days ago
Odious Numbers
snoozingnewt
54
123ms
5 days ago
Evil Numbers (Long)
snoozingnewt
56
126ms
5 days ago
Evil Numbers
snoozingnewt
54
124ms
5 days ago
Tic-tac-toe
emplv
88
130ms
5 days ago
Billiards
emplv
🥉
149
141ms
5 days ago
Trinomial Triangle
dokutan
756
119ms
5 days ago
Pernicious Numbers (Long)
snoozingnewt
72
143ms
7 days ago
Trinomial Triangle
sean-niemann
🥈
62
127ms
8 days ago
Sudoku (Fill-in)
sean-niemann
🥇
111
4,486ms
8 days ago
Trinomial Triangle
rucin93
73
128ms
8 days ago
SI Units
rucin93
539
159ms
8 days ago
Poker
sean-niemann
🥈
183
222ms
8 days ago
Medal Tally
sean-niemann
🥈
105
153ms
8 days ago
Trinomial Triangle
emplv
🥉
65
137ms
8 days ago
Number Spiral
sean-niemann
🥈
83
129ms
8 days ago
Trinomial Triangle
JayXon
💎
60
118ms
8 days ago
ROT13
sean-niemann
85
132ms
8 days ago
Gijswijt’s Sequence
sean-niemann
73
122ms
9 days ago
Hilbert Curve
sean-niemann
💎
152
296ms
9 days ago
Rijndael S-box
sean-niemann
🥈
118
135ms
9 days ago
Ellipse Perimeters
Shanethegamer
86
149ms
9 days ago
Star Wars GPT
sean-niemann
🥈
90
159ms
10 days ago
Prime Numbers
snoozingnewt
53
182ms
10 days ago
Prime Numbers (Long)
snoozingnewt
54
232ms
10 days ago
Ellipse Perimeters
rucin93
72
160ms
11 days ago
Rijndael S-box
emplv
155
139ms
11 days ago
Hilbert Curve
canissimia
🥈
153
182ms
13 days ago
Tutorial
luuumine
158
206ms
14 days ago
Tutorial
Babafaba
158
227ms
14 days ago
Leap Years
snoozingnewt
51
135ms
16 days ago
Topological Sort
sean-niemann
🥈
164
174ms
17 days ago
Niven Numbers (Long)
snoozingnewt
56
312ms
18 days ago
Niven Numbers
snoozingnewt
46
126ms
18 days ago
Quine
snoozingnewt
37
124ms
18 days ago
Odious Numbers
Babafaba
45
162ms
19 days ago
Abundant Numbers (Long)
albanian-laundromat
69
154ms
20 days ago
Abundant Numbers (Long)
snoozingnewt
73
129ms
21 days ago
Abundant Numbers
snoozingnewt
73
133ms
21 days ago
Divisors
snoozingnewt
71
138ms
21 days ago
Pernicious Numbers
snoozingnewt
69
135ms
21 days ago
Prime Numbers
albanian-laundromat
39
120ms
2 Oct 2025
Trinomial Triangle
CaedenHarper
2,080
115ms
30 Sep 2025
Trinomial Triangle
albanian-laundromat
107
138ms
30 Sep 2025
Divisors
albanian-laundromat
64
161ms
30 Sep 2025
Tongue-twisters
snoozingnewt
358
138ms
29 Sep 2025
Fibonacci
snoozingnewt
38
148ms
29 Sep 2025
Quine
CaedenHarper
37
129ms
28 Sep 2025
Collatz
kmathis22
98
161ms
25 Sep 2025
Foo Fizz Buzz Bar
SirBogman
96
160ms
24 Sep 2025
Niven Numbers
albanian-laundromat
46
135ms
24 Sep 2025
Catalan Numbers
dokutan
52
143ms
22 Sep 2025
Tutorial
targrik
89
192ms
18 Sep 2025
Tutorial
snoozingnewt
63
198ms
15 Sep 2025
United States
dokutan
123
132ms
13 Sep 2025
Hilbert Curve
mishak-sys
2,092
124ms
10 Sep 2025
Morse Decoder
dokutan
199
154ms
8 Sep 2025
Hilbert Curve
rucin93
🥉
236
190ms
4 Sep 2025
Look and Say
DialFrost
57
128ms
4 Sep 2025
Inventory Sequence
blaztoma
113
143ms
3 Sep 2025
Hilbert Curve
CaedenHarper
2,061
116ms
28 Aug 2025
12 Days of Christmas
madeforlosers
2,494
120ms
26 Aug 2025
Arrows
CaedenHarper
120
207ms
23 Aug 2025
Tutorial
Vexxter9
158
203ms
21 Aug 2025
Sphenic Numbers
HumanoidCPU
8,873
123ms
18 Aug 2025
Roman to Arabic
CaedenHarper
117
175ms
17 Aug 2025
Partition Numbers
CaedenHarper
660
136ms
16 Aug 2025
Mandelbrot
CaedenHarper
3,375
132ms
16 Aug 2025