The
Minesweeper
hole will go live in approximately
26 hours
. Why not try and solve it ahead of time?
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brainfuck
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Emojify
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Factorial Factorisation
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Pascal’s Triangle
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Pernicious Numbers (Long)
Poker
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Prime Numbers
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Proximity Grid
QR Decoder
Quine
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Repeating Decimals
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Reversi
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Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
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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
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Vampire Numbers
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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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Highly Composite Numbers
Minesweeper
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p-adic Expansion
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D
Dart
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Janet
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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
Chars
Time
Submitted
Minesweeper
albanian-laundromat
241
42ms
28 mins ago
Mandelbrot
snoozingnewt
367
79ms
2 hours ago
Tutorial
Openstreetmapler
285
42ms
3 hours ago
Kolakoski Sequence
snoozingnewt
139
40ms
21 hours ago
Minesweeper
snoozingnewt
1,072
53ms
2 days ago
Minesweeper
CaedenHarper
1,117
48ms
4 days ago
ISBN
albanian-laundromat
187
41ms
4 days ago
Ellipse Perimeters
stefangimmillaro
98
61ms
5 days ago
Quine
snoozingnewt
113
44ms
8 days ago
Pernicious Numbers
snoozingnewt
56
40ms
10 days ago
Hilbert Curve
snoozingnewt
🥉
779
55ms
12 days ago
DFA Simulator
snoozingnewt
🥉
492
48ms
12 days ago
Tutorial
snoozingnewt
102
42ms
12 days ago
Foo Fizz Buzz Bar
snoozingnewt
240
46ms
14 days ago
Roman to Arabic
melven
215
48ms
14 days ago
Tutorial
luuumine
285
57ms
14 days ago
Tutorial
Babafaba
285
59ms
14 days ago
Farey Sequence
snoozingnewt
145
54ms
15 days ago
Van Eck Sequence
snoozingnewt
146
46ms
17 days ago
Inventory Sequence
snoozingnewt
105
49ms
17 days ago
Fizz Buzz
h3ra993huskp
204
43ms
17 days ago
Odious Numbers
Babafaba
62
48ms
19 days ago
Fibonacci
snoozingnewt
94
43ms
20 days ago
ISBN
malworthy
285
45ms
20 days ago
Arithmetic Numbers
snoozingnewt
125
114ms
20 days ago
Abundant Numbers
snoozingnewt
82
42ms
20 days ago
Abundant Numbers (Long)
snoozingnewt
82
44ms
20 days ago
Prime Numbers
snoozingnewt
81
43ms
21 days ago
Prime Numbers (Long)
snoozingnewt
82
46ms
21 days ago
Trinomial Triangle
stefangimmillaro
🥈
117
45ms
22 days ago
Tutorial
GolfingSuccess
100
59ms
23 days ago
Tutorial
SirBogman
102
54ms
24 days ago
Trinomial Triangle
dokutan
797
45ms
24 days ago
Lucky Numbers
snoozingnewt
106
90ms
25 days ago
Divisors
snoozingnewt
88
43ms
30 Sep 2025
Trinomial Triangle
CaedenHarper
2,221
42ms
30 Sep 2025
Trinomial Triangle
snoozingnewt
🥉
223
46ms
30 Sep 2025
Trinomial Triangle
SirBogman
💎
91
45ms
30 Sep 2025
Niven Numbers (Long)
snoozingnewt
113
47ms
30 Sep 2025
Niven Numbers
snoozingnewt
61
53ms
30 Sep 2025
ISBN
KatieLG
289
44ms
29 Sep 2025
Quine
CaedenHarper
76
42ms
28 Sep 2025
Leap Years
snoozingnewt
94
50ms
26 Sep 2025
Hilbert Curve
SirBogman
💎
282
46ms
25 Sep 2025
Niven Numbers
albanian-laundromat
68
43ms
24 Sep 2025
Recamán
snoozingnewt
195
47ms
24 Sep 2025
Partition Numbers
snoozingnewt
100
43ms
23 Sep 2025
Foo Fizz Buzz Bar
ValentinCassayre
214
47ms
21 Sep 2025
Fizz Buzz
ValentinCassayre
148
46ms
21 Sep 2025
ISBN
jacobly0
193
58ms
18 Sep 2025
ISBN
snoozingnewt
436
45ms
16 Sep 2025
Hilbert Curve
stefangimmillaro
🥈
432
63ms
15 Sep 2025
Odious Numbers (Long)
snoozingnewt
64
41ms
14 Sep 2025
Odious Numbers
snoozingnewt
63
40ms
14 Sep 2025
Evil Numbers (Long)
snoozingnewt
66
41ms
14 Sep 2025
Evil Numbers
snoozingnewt
64
41ms
14 Sep 2025
24 Game
dokutan
🥉
15,183
102ms
12 Sep 2025
Hilbert Curve
dokutan
2,127
49ms
12 Sep 2025
Hexagonal Spiral
dokutan
1,220
54ms
12 Sep 2025
Cubes
dokutan
3,064
49ms
12 Sep 2025
12 Days of Christmas
dokutan
2,610
58ms
12 Sep 2025
Sierpiński Triangle
dokutan
439
56ms
12 Sep 2025
99 Bottles of Beer
dokutan
590
42ms
12 Sep 2025
Pangram Grep
snoozingnewt
406
44ms
11 Sep 2025
ISBN
kmathis22
273
47ms
11 Sep 2025
Collatz
kmathis22
128
47ms
11 Sep 2025
Divisors
cthierfelder
90
43ms
3 Sep 2025
Inventory Sequence
blaztoma
114
43ms
2 Sep 2025
ISBN
blaztoma
700
51ms
1 Sep 2025
Hilbert Curve
HumanoidCPU
2,467
47ms
28 Aug 2025
Hilbert Curve
CaedenHarper
2,274
46ms
28 Aug 2025
Fibonacci
CaedenHarper
60
48ms
26 Aug 2025
Fibonacci
albanian-laundromat
50
41ms
26 Aug 2025
Highly Composite Numbers
HumanoidCPU
1,127
50ms
25 Aug 2025
Odd Polyomino Tiling
HumanoidCPU
24,097
76ms
25 Aug 2025