The
Minesweeper
hole will go live in approximately
26 hours
. Why not try and solve it ahead of time?
Recent Solutions
Golfers
Solutions
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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
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
Mandelbrot
snoozingnewt
182
269ms
2 hours ago
Tutorial
Openstreetmapler
135
273ms
3 hours ago
Tower of Hanoi
Shanethegamer
65
152ms
16 hours ago
Kolakoski Sequence
snoozingnewt
113
199ms
20 hours ago
Catalan Numbers
snoozingnewt
60
175ms
22 hours ago
ROT13
blaztoma
107
260ms
27 hours ago
Partition Numbers
blaztoma
65
502ms
2 days ago
Minesweeper
Shanethegamer
108
319ms
2 days ago
ln 2
blaztoma
🥇
40
1,770ms
3 days ago
Kaprekar Numbers
blaztoma
95
691ms
3 days ago
τ
snoozingnewt
🥇
39
1,764ms
4 days ago
𝑒
snoozingnewt
🥇
29
200ms
4 days ago
π
snoozingnewt
🥇
30
188ms
4 days ago
γ
snoozingnewt
🥇
41
231ms
4 days ago
ln 2
snoozingnewt
🥇
40
1,821ms
4 days ago
Catalan’s Constant
snoozingnewt
🥇
46
221ms
4 days ago
√2
snoozingnewt
🥇
34
1,940ms
4 days ago
φ
blaztoma
🥇
36
176ms
4 days ago
τ
blaztoma
40
215ms
4 days ago
π
Emutis
34
200ms
4 days ago
π
blaztoma
🥇
30
223ms
4 days ago
Catalan’s Constant
Emutis
🥇
46
239ms
4 days ago
√2
blaztoma
35
196ms
4 days ago
𝑒
blaztoma
🥇
29
204ms
4 days ago
γ
blaztoma
🥇
41
235ms
4 days ago
Catalan’s Constant
blaztoma
🥇
46
219ms
4 days ago
Minesweeper
antimon2
91
482ms
4 days ago
φ
snoozingnewt
🥇
36
177ms
4 days ago
λ
blaztoma
227
365ms
5 days ago
Trinomial Triangle
JayXon
💎
59
395ms
5 days ago
Tongue-twisters
snoozingnewt
334
196ms
6 days ago
Ellipse Perimeters
Shanethegamer
69
378ms
9 days ago
Pernicious Numbers
snoozingnewt
38
322ms
10 days ago
Scrambled Sort
MarcMush
73
1,225ms
11 days ago
Hilbert Curve
snoozingnewt
🥉
458
212ms
12 days ago
Mandelbrot
MarcMush
🥈
80
3,126ms
12 days ago
Hilbert Curve
MarcMush
558
528ms
12 days ago
Billiards
MarcMush
💎
98
1,603ms
12 days ago
Trinomial Triangle
MarcMush
65
640ms
12 days ago
24 Game
MarcMush
💎
104
4,369ms
12 days ago
DFA Simulator
snoozingnewt
177
329ms
12 days ago
Tutorial
luuumine
135
324ms
14 days ago
Tutorial
Babafaba
135
301ms
14 days ago
United States
blaztoma
116
304ms
16 days ago
τ
Emutis
44
198ms
16 days ago
φ
Emutis
51
188ms
16 days ago
Leap Years
snoozingnewt
48
307ms
16 days ago
Foo Fizz Buzz Bar
snoozingnewt
80
539ms
16 days ago
Smith Numbers
snoozingnewt
82
531ms
16 days ago
Intersection
snoozingnewt
89
389ms
16 days ago
Partition Numbers
snoozingnewt
73
563ms
16 days ago
Van Eck Sequence
snoozingnewt
74
449ms
16 days ago
Trinomial Triangle
snoozingnewt
83
408ms
16 days ago
Leyland Numbers
snoozingnewt
75
836ms
16 days ago
Kolakoski Constant
snoozingnewt
110
405ms
16 days ago
Levenshtein Distance
blaztoma
281
278ms
17 days ago
Jacobi Symbol
blaztoma
108
270ms
17 days ago
Kolakoski Constant
blaztoma
199
228ms
17 days ago
Odious Numbers (Long)
blaztoma
43
322ms
17 days ago
γ
Emutis
66
271ms
17 days ago
Collatz
blaztoma
61
217ms
17 days ago
Fizz Buzz
h3ra993huskp
121
191ms
17 days ago
Factorial Factorisation
blaztoma
160
295ms
18 days ago
Odious Numbers
Babafaba
38
255ms
19 days ago
ISBN
edsrzf
78
405ms
19 days ago
Pangram Grep
snoozingnewt
49
273ms
19 days ago
Arithmetic Numbers
snoozingnewt
67
484ms
20 days ago
Abundant Numbers
snoozingnewt
55
216ms
20 days ago
Abundant Numbers (Long)
snoozingnewt
56
208ms
20 days ago
Pernicious Numbers (Long)
snoozingnewt
55
252ms
21 days ago
Rijndael S-box
antimon2
🥈
128
887ms
21 days ago
Prime Numbers
snoozingnewt
35
300ms
21 days ago
Prime Numbers (Long)
snoozingnewt
37
613ms
21 days ago
Fibonacci
snoozingnewt
51
201ms
22 days ago
Trinomial Triangle
dokutan
733
302ms
24 days ago