The
Minesweeper
hole will go live in approximately
22 hours
. Why not try and solve it ahead of time?
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Golfers
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12 Days of Christmas
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99 Bottles of Beer
Abundant Numbers
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brainfuck
Card Number Validation
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Catalan’s Constant
Christmas Trees
Collatz
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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
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Kolakoski Constant
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Leap Years
Levenshtein Distance
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ln 2
Look and Say
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Mahjong
Mandelbrot
Maze
Medal Tally
Morse Decoder
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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
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Snake
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Assembly
AWK
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brainfuck
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D
Dart
Elixir
F#
Factor
Forth
Fortran
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Groovy
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Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
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Perl
PHP
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Python
R
Raku
Rockstar
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Rust
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sed
SQL
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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
pardouin
69
2,005ms
28 mins ago
Minesweeper
albanian-laundromat
199
2,109ms
2 hours ago
Mandelbrot
snoozingnewt
198
2,088ms
6 hours ago
Tutorial
Openstreetmapler
138
4,332ms
7 hours ago
Happy Numbers
jkelly467
104
2,149ms
8 hours ago
Tower of Hanoi
albanian-laundromat
96
1,971ms
21 hours ago
Tower of Hanoi
Shanethegamer
3,589
1,909ms
23 hours ago
Kolakoski Sequence
snoozingnewt
124
2,262ms
25 hours ago
Emirp Numbers
lboust
153
2,263ms
35 hours ago
Ellipse Perimeters
Shanethegamer
102
4,191ms
2 days ago
Fizz Buzz
jkelly467
89
4,405ms
2 days ago
Quine
jkelly467
70
3,156ms
3 days ago
Musical Chords
emgordon154
🥉
146
3,342ms
4 days ago
Evil Numbers (Long)
Babafaba
50
2,999ms
5 days ago
Odious Numbers (Long)
Babafaba
🥉
49
3,055ms
5 days ago
Odious Numbers (Long)
snoozingnewt
🥉
49
2,952ms
5 days ago
Odious Numbers
snoozingnewt
48
2,607ms
5 days ago
Evil Numbers (Long)
snoozingnewt
50
2,486ms
5 days ago
Evil Numbers
snoozingnewt
48
3,250ms
5 days ago
Fractions
Shanethegamer
103
3,126ms
5 days ago
Odious Numbers
jkelly467
48
2,650ms
6 days ago
Fibonacci
Mikey-Beep
54
2,933ms
6 days ago
Tongue-twisters
snoozingnewt
366
3,181ms
7 days ago
Evil Numbers
maxemann96
48
2,778ms
8 days ago
Collatz
jkelly467
85
3,346ms
8 days ago
ASCII Table
edsrzf
121
3,445ms
8 days ago
DFA Simulator
jkelly467
383
4,760ms
8 days ago
𝑒
mpolla
1,011
4,085ms
8 days ago
Abundant Numbers (Long)
jkelly467
62
3,464ms
10 days ago
99 Bottles of Beer
jkelly467
308
3,482ms
10 days ago
Pernicious Numbers
snoozingnewt
🥇
42
3,122ms
10 days ago
brainfuck
snoozingnewt
389
4,523ms
10 days ago
99 Bottles of Beer
emgordon154
💎
263
3,476ms
11 days ago
Transpose Sentence
edsrzf
92
3,002ms
12 days ago
Hilbert Curve
snoozingnewt
482
3,168ms
12 days ago
Transpose Sentence
JayXon
💎
86
3,357ms
12 days ago
DFA Simulator
snoozingnewt
220
3,466ms
12 days ago
Abundant Numbers
jkelly467
61
3,337ms
13 days ago
Foo Fizz Buzz Bar
snoozingnewt
131
2,966ms
14 days ago
Tutorial
Babafaba
138
4,198ms
15 days ago
Trinomial Triangle
jkelly467
110
3,249ms
15 days ago
Farey Sequence
snoozingnewt
143
2,979ms
16 days ago
Trinomial Triangle
pardouin
🥈
92
3,429ms
16 days ago
Smith Numbers
snoozingnewt
143
3,487ms
17 days ago
Van Eck Sequence
snoozingnewt
103
3,129ms
17 days ago
Inventory Sequence
snoozingnewt
113
2,844ms
17 days ago
Trinomial Triangle
JayXon
💎
91
3,100ms
17 days ago
Fibonacci
qpwoeirut
49
2,881ms
17 days ago
Divisors
qpwoeirut
65
3,112ms
17 days ago
Leyland Numbers
snoozingnewt
193
3,083ms
17 days ago
Odious Numbers
Babafaba
45
3,116ms
19 days ago
Trinomial Triangle
snoozingnewt
110
3,150ms
19 days ago
√2
snoozingnewt
63
3,103ms
20 days ago
√2
WildTooth
57
2,614ms
20 days ago
Arithmetic Numbers
snoozingnewt
77
3,596ms
21 days ago
Fibonacci
WildTooth
49
2,913ms
21 days ago
Abundant Numbers
snoozingnewt
61
3,086ms
21 days ago
Abundant Numbers (Long)
snoozingnewt
62
3,277ms
21 days ago
Game of Life
edsrzf
🥈
101
3,350ms
21 days ago
Arithmetic Numbers
minetoblend
71
3,666ms
21 days ago
Fizz Buzz
minetoblend
88
3,229ms
21 days ago
Pernicious Numbers
minetoblend
67
2,996ms
21 days ago
Hexdump
minetoblend
196
3,361ms
21 days ago
Diamonds
minetoblend
133
2,991ms
21 days ago
Trinomial Triangle
stefangimmillaro
106
3,079ms
21 days ago
Tutorial
WildTooth
72
4,831ms
21 days ago
Collatz
snoozingnewt
88
3,784ms
22 days ago
Reverse Polish Notation
RobertHoeh
229
3,946ms
23 days ago
Trinomial Triangle
dokutan
746
3,054ms
24 days ago
Trinomial Triangle
edsrzf
106
3,353ms
25 days ago
Arithmetic Numbers
qpwoeirut
79
3,699ms
26 days ago
Quine
qpwoeirut
70
3,153ms
26 days ago
Day of Week
qpwoeirut
92
3,375ms
26 days ago
Pernicious Numbers
Yax42
43
3,059ms
26 days ago
Gray Code Decoder
kg583
56
3,106ms
27 days ago