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
Tower of Hanoi
stefangimmillaro
67
101ms
73 mins ago
Tower of Hanoi
edsrzf
67
101ms
113 mins ago
Minesweeper
albanian-laundromat
186
106ms
6 hours ago
Set
snoozingnewt
248
107ms
12 hours ago
Topological Sort
edsrzf
💎
160
117ms
14 hours ago
Topological Sort
albanian-laundromat
🥈
167
231ms
14 hours ago
Mandelbrot
snoozingnewt
212
126ms
15 hours ago
Tower of Hanoi
kg583
68
122ms
15 hours ago
Tutorial
Openstreetmapler
211
130ms
16 hours ago
Tower of Hanoi
albanian-laundromat
125
99ms
31 hours ago
Tower of Hanoi
Shanethegamer
3,598
101ms
32 hours ago
Kolakoski Sequence
snoozingnewt
116
103ms
33 hours ago
Catalan Numbers
snoozingnewt
98
99ms
35 hours ago
Game of Life
edsrzf
🥈
133
111ms
37 hours ago
Minesweeper
edsrzf
148
118ms
47 hours ago
Ellipse Perimeters
Shanethegamer
110
203ms
3 days ago
Pangram Grep
Ralac07
140
113ms
4 days ago
Tutorial
JeroenWeener
90
126ms
4 days ago
Odious Numbers (Long)
snoozingnewt
59
120ms
5 days ago
Odious Numbers
snoozingnewt
58
111ms
5 days ago
Evil Numbers
snoozingnewt
58
106ms
5 days ago
Tongue-twisters
snoozingnewt
368
102ms
7 days ago
Trinomial Triangle
edsrzf
🥈
100
99ms
9 days ago
Intersection
Shanethegamer
🥉
159
149ms
10 days ago
Fractions
Shanethegamer
🥉
99
150ms
10 days ago
Pernicious Numbers
snoozingnewt
49
109ms
10 days ago
Smith Numbers
sean-niemann
🥉
122
617ms
12 days ago
Hilbert Curve
snoozingnewt
💎
492
132ms
12 days ago
DFA Simulator
snoozingnewt
323
127ms
13 days ago
Foo Fizz Buzz Bar
snoozingnewt
124
108ms
14 days ago
Tutorial
luuumine
211
140ms
14 days ago
Pangram Grep
duckyluuk
119
148ms
15 days ago
Tutorial
Babafaba
211
225ms
15 days ago
Quine
Yax42
85
110ms
15 days ago
Forsyth–Edwards Notation
Yax42
161
182ms
16 days ago
Farey Sequence
snoozingnewt
121
115ms
16 days ago
Fibonacci
snoozingnewt
🥇
45
134ms
16 days ago
Trinomial Triangle
JayXon
💎
86
108ms
17 days ago
Inventory Sequence
snoozingnewt
130
114ms
17 days ago
ISBN
edsrzf
🥈
87
121ms
18 days ago
Leyland Numbers
snoozingnewt
180
123ms
18 days ago
Fizz Buzz
h3ra993huskp
125
125ms
18 days ago
Odious Numbers
Babafaba
53
97ms
19 days ago
Arithmetic Numbers
snoozingnewt
96
210ms
21 days ago
Abundant Numbers
snoozingnewt
76
112ms
21 days ago
Abundant Numbers (Long)
snoozingnewt
77
118ms
21 days ago
Pernicious Numbers (Long)
snoozingnewt
88
109ms
21 days ago
Prime Numbers
snoozingnewt
72
106ms
22 days ago
Prime Numbers (Long)
snoozingnewt
73
126ms
22 days ago
Collatz
snoozingnewt
94
109ms
22 days ago
Divisors
snoozingnewt
89
106ms
23 days ago
Leap Years
snoozingnewt
60
116ms
23 days ago
Niven Numbers
snoozingnewt
56
111ms
23 days ago
Reversi
Yax42
421
189ms
23 days ago
Fizz Buzz
snoozingnewt
84
115ms
23 days ago
Catalan Numbers
Yax42
95
126ms
24 days ago
Day of Week
Yax42
🥇
110
172ms
24 days ago
Divisors
Yax42
102
114ms
24 days ago
Trinomial Triangle
dokutan
2,103
111ms
24 days ago
Niven Numbers (Long)
Yax42
74
103ms
25 days ago
Pernicious Numbers
Yax42
🥇
47
103ms
25 days ago
Prime Numbers (Long)
Yax42
🥉
59
147ms
25 days ago
Collatz
Yax42
79
115ms
25 days ago
Niven Numbers
Yax42
54
114ms
25 days ago
Leap Years
Yax42
54
130ms
25 days ago
Divisors
albanian-laundromat
78
103ms
26 days ago
Fibonacci
Yax42
🥇
45
113ms
26 days ago
Gray Code Decoder
kg583
70
122ms
27 days ago
Prime Numbers
albanian-laundromat
81
100ms
27 days ago
Collatz
albanian-laundromat
85
101ms
27 days ago
Intersection
snoozingnewt
265
112ms
2 Oct 2025
Abundant Numbers (Long)
albanian-laundromat
94
104ms
2 Oct 2025
Pascal’s Triangle
snoozingnewt
118
124ms
1 Oct 2025
Trinomial Triangle
snoozingnewt
145
128ms
1 Oct 2025
Trinomial Triangle
CaedenHarper
2,088
126ms
30 Sep 2025