The
Minesweeper
hole will go live in approximately
32 hours
. Why not try and solve it ahead of time?
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brainfuck
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Factorial Factorisation
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PalindromemordnilaP
Pangram Grep
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Pernicious Numbers (Long)
Poker
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Prime Numbers (Long)
Proximity Grid
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Quine
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Repeating Decimals
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Reversi
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Rock-paper-scissors-Spock-lizard
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ROT13
Rule 110
Scrambled Sort
Set
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Star Wars GPT
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Ten-pin Bowling
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Time Distance
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Topological Sort
Transpose Sentence
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United States
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γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
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Floyd-Steinberg Dithering
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Minesweeper
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p-adic Expansion
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D
Dart
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Forth
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Janet
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jq
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sed
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VimL
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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
Bytes
Time
Submitted
Tower of Hanoi
rucin93
51
3ms
3 hours ago
Tower of Hanoi
albanian-laundromat
81
3ms
7 hours ago
Tower of Hanoi
Shanethegamer
4,093
2ms
13 hours ago
Minesweeper
rucin93
140
64ms
22 hours ago
Minesweeper
sean-niemann
137
61ms
31 hours ago
Minesweeper
edsrzf
136
225ms
33 hours ago
Minesweeper
albanian-laundromat
171
27ms
35 hours ago
Ellipse Perimeters
rucin93
53
6ms
2 days ago
Ellipse Perimeters
Shanethegamer
80
2ms
2 days ago
Pernicious Numbers
CaedenHarper
🥇
35
11ms
3 days ago
Trinomial Triangle
sean-niemann
🥉
86
2ms
8 days ago
Trinomial Triangle
JayXon
🥇
83
3ms
9 days ago
Niven Numbers
snoozingnewt
47
2ms
9 days ago
Pernicious Numbers
snoozingnewt
38
2ms
9 days ago
Tutorial
luuumine
135
2ms
14 days ago
Pangram Grep
duckyluuk
109
3ms
14 days ago
Tutorial
Babafaba
135
2ms
14 days ago
Quine
rucin93
🥇
40
2ms
16 days ago
Fizz Buzz
h3ra993huskp
525
2ms
17 days ago
Odious Numbers
Babafaba
41
2ms
19 days ago
Foo Fizz Buzz Bar
snoozingnewt
145
3ms
22 days ago
Trinomial Triangle
rucin93
🥉
86
2ms
23 days ago
Trinomial Triangle
edsrzf
🥇
83
2ms
23 days ago
Trinomial Triangle
dokutan
2,092
2ms
24 days ago
Pernicious Numbers
Yax42
43
2ms
26 days ago
Tutorial
CaedenHarper
56
3ms
1 Oct 2025
Trinomial Triangle
CaedenHarper
2,092
1ms
30 Sep 2025
Quine
CaedenHarper
46
2ms
28 Sep 2025
Morse Encoder
dokutan
🥉
223
2ms
26 Sep 2025
Look and Say
sean-niemann
🥉
101
3ms
26 Sep 2025
Game of Life
sean-niemann
129
6ms
25 Sep 2025
Transpose Sentence
sean-niemann
🥈
106
76ms
25 Sep 2025
Topological Sort
albanian-laundromat
🦄
177
369ms
25 Sep 2025
Niven Numbers
albanian-laundromat
45
2ms
24 Sep 2025
Pangram Grep
InigoK
148
11ms
20 Sep 2025
Game of Life
edsrzf
🥇
116
27ms
19 Sep 2025
Tutorial
targrik
74
2ms
18 Sep 2025
Tutorial
snoozingnewt
56
2ms
15 Sep 2025
Fizz Buzz
snoozingnewt
100
2ms
13 Sep 2025
Poker
edsrzf
💎
317
3ms
12 Sep 2025
Hilbert Curve
mishak-sys
5,157
2ms
10 Sep 2025
√2
rucin93
🥈
136
363ms
8 Sep 2025
φ
rucin93
🥉
137
180ms
8 Sep 2025
Collatz
kmathis22
76
6ms
5 Sep 2025
Hilbert Curve
rucin93
💎
270
752ms
4 Sep 2025
Pernicious Numbers
edsrzf
🥇
35
2ms
4 Sep 2025
Jacobi Symbol
edsrzf
142
2ms
3 Sep 2025
Inventory Sequence
blaztoma
110
3ms
2 Sep 2025
Arabic to Roman
edsrzf
153
29ms
1 Sep 2025
Fibonacci
fuzzylojik-golf
🥇
41
2ms
29 Aug 2025
Hilbert Curve
HumanoidCPU
🥉
5,155
2ms
28 Aug 2025
Hilbert Curve
CaedenHarper
🥉
5,155
2ms
28 Aug 2025
Fibonacci
duckyluuk
42
2ms
27 Aug 2025
Fibonacci
CaedenHarper
🥇
41
2ms
26 Aug 2025
12 Days of Christmas
madeforlosers
2,489
1ms
26 Aug 2025
ROT13
edsrzf
🥉
118
11ms
25 Aug 2025
Odd Polyomino Tiling
HumanoidCPU
21,643
2ms
25 Aug 2025
Morse Decoder
sean-niemann
💎
186
2ms
24 Aug 2025
PalindromemordnilaP
sean-niemann
🥈
107
4ms
23 Aug 2025
Arrows
CaedenHarper
240
4ms
23 Aug 2025
Roman to Arabic
CaedenHarper
136
11ms
22 Aug 2025
Tutorial
Vexxter9
135
3ms
21 Aug 2025
Transpose Sentence
edsrzf
🥈
106
12ms
21 Aug 2025
Arabic to Roman
rucin93
160
63ms
20 Aug 2025
Trinomial Triangle
HumanoidCPU
2,206
2ms
19 Aug 2025
λ
gigaprofisi
1,023
2ms
18 Aug 2025
Tutorial
matejmatik123
73
3ms
18 Aug 2025
Emirp Numbers
DialFrost
🥉
101
3ms
17 Aug 2025
Partition Numbers
CaedenHarper
752
2ms
16 Aug 2025
Mandelbrot
CaedenHarper
10,050
2ms
16 Aug 2025
Look and Say
retrohun
1,306
1ms
16 Aug 2025
Polyominoes
sean-niemann
💎
181
256ms
16 Aug 2025
Emirp Numbers (Long)
DialFrost
🥈
102
27ms
15 Aug 2025
Niven Numbers
GolfingSuccess
🥇
39
2ms
10 Aug 2025
Repeating Decimals
sean-niemann
💎
187
3ms
9 Aug 2025