The
Minesweeper
hole will go live in approximately
16 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
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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
edsrzf
59
2ms
5 hours ago
Tower of Hanoi
GolfingSuccess
59
2ms
5 hours ago
Set
snoozingnewt
🥉
314
37ms
9 hours ago
Mandelbrot
snoozingnewt
192
72ms
12 hours ago
Tutorial
Openstreetmapler
144
3ms
13 hours ago
Tower of Hanoi
rucin93
63
2ms
14 hours ago
Tower of Hanoi
Shanethegamer
92
2ms
26 hours ago
Kolakoski Sequence
snoozingnewt
109
2ms
30 hours ago
Ellipse Perimeters
Shanethegamer
80
3ms
3 days ago
Minesweeper
Shanethegamer
203
9ms
4 days ago
Pangram Grep
Ralac07
147
2ms
4 days ago
Minesweeper
edsrzf
143
6ms
4 days ago
Odious Numbers (Long)
snoozingnewt
47
2ms
5 days ago
Odious Numbers
snoozingnewt
46
1ms
5 days ago
Evil Numbers (Long)
snoozingnewt
48
2ms
5 days ago
Evil Numbers
snoozingnewt
46
2ms
5 days ago
Fibonacci
Babafaba
🥇
43
2ms
5 days ago
Trinomial Triangle
dokutan
161
2ms
6 days ago
Rock-paper-scissors-Spock-lizard
dokutan
🥉
204
2ms
6 days ago
ASCII Table
edsrzf
127
2ms
7 days ago
Tongue-twisters
snoozingnewt
371
2ms
7 days ago
Fibonacci
plcc0
🥇
43
2ms
7 days ago
Pernicious Numbers
snoozingnewt
47
2ms
10 days ago
Collatz
RockOfStone
73
5ms
10 days ago
Mahjong
edsrzf
💎
314
24ms
11 days ago
Hilbert Curve
snoozingnewt
🥈
487
2ms
12 days ago
DFA Simulator
snoozingnewt
364
3ms
13 days ago
Transpose Sentence
edsrzf
💎
101
4ms
13 days ago
Foo Fizz Buzz Bar
snoozingnewt
131
2ms
14 days ago
Collatz
sean-niemann
72
6ms
14 days ago
Tutorial
luuumine
144
2ms
14 days ago
Topological Sort
albanian-laundromat
🥉
178
175ms
15 days ago
φ
snoozingnewt
135
62ms
15 days ago
Tutorial
Babafaba
144
3ms
15 days ago
Recamán
iczelia
88
2ms
15 days ago
Star Wars GPT
edsrzf
💎
150
242ms
16 days ago
Star Wars GPT
snoozingnewt
🥈
185
8ms
16 days ago
Farey Sequence
snoozingnewt
115
2ms
16 days ago
Trinomial Triangle
JayXon
💎
86
2ms
17 days ago
Smith Numbers
snoozingnewt
188
377ms
17 days ago
Van Eck Sequence
snoozingnewt
69
3ms
17 days ago
Inventory Sequence
snoozingnewt
84
2ms
17 days ago
Leyland Numbers
snoozingnewt
140
2ms
18 days ago
Fizz Buzz
h3ra993huskp
97
1ms
18 days ago
Levenshtein Distance
edsrzf
💎
133
1,175ms
19 days ago
Odious Numbers
Babafaba
43
2ms
19 days ago
Arithmetic Numbers
snoozingnewt
99
263ms
21 days ago
Abundant Numbers
snoozingnewt
86
2ms
21 days ago
Abundant Numbers (Long)
snoozingnewt
86
6ms
21 days ago
Collatz
snoozingnewt
90
3ms
22 days ago
Trinomial Triangle
edsrzf
🥈
95
2ms
23 days ago
Sierpiński Triangle
Blendi-Goose
400
2ms
23 days ago
Evil Numbers (Long)
Blendi-Goose
76
2ms
23 days ago
Odious Numbers
Blendi-Goose
75
2ms
23 days ago
Odious Numbers (Long)
Blendi-Goose
76
2ms
23 days ago
Evil Numbers
Blendi-Goose
75
2ms
23 days ago
Leap Years
kTheLemon
57
2ms
23 days ago
Leap Years
Blendi-Goose
57
5ms
23 days ago
Hexdump
Blendi-Goose
223
2ms
23 days ago
N Queens
Blendi-Goose
1,254
1ms
23 days ago
Arrows
Blendi-Goose
412
2ms
23 days ago
12 Days of Christmas
Blendi-Goose
2,377
1ms
23 days ago
Abundant Numbers (Long)
Blendi-Goose
81
9ms
23 days ago
Abundant Numbers
Blendi-Goose
81
2ms
23 days ago
Kaprekar Numbers
Blendi-Goose
387
2ms
23 days ago
Kaprekar Numbers
ZakChrom
175
3,122ms
23 days ago
PalindromemordnilaP
NickTheEASDude
105
2ms
24 days ago
Quine
Blendi-Goose
47
2ms
24 days ago
Trinomial Triangle
Blendi-Goose
🥉
136
2ms
24 days ago
π
Blendi-Goose
360
153ms
24 days ago
Trinomial Triangle
ZakChrom
186
2ms
24 days ago
brainfuck
ZakChrom
333
4ms
24 days ago
Poker
edsrzf
💎
189
3ms
25 days ago
Fractions
Blendi-Goose
156
3ms
25 days ago
brainfuck
Blendi-Goose
213
4ms
25 days ago