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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Medal Tally
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Number Spiral
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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
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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
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p-adic Expansion
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QR Encoder
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D
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Forth
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Janet
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sed
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V
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
Tutorial
Openstreetmapler
96
119ms
3 hours ago
Tower of Hanoi
Shanethegamer
3,582
91ms
19 hours ago
Ellipse Perimeters
Shanethegamer
79
98ms
3 days ago
Trinomial Triangle
dokutan
978
121ms
5 days ago
Farey Sequence
dokutan
1,486
166ms
5 days ago
Emirp Numbers (Long)
dokutan
557
137ms
5 days ago
Odious Numbers
Babafaba
35
85ms
6 days ago
Hilbert Curve
snoozingnewt
🥈
464
97ms
6 days ago
Tongue-twisters
snoozingnewt
348
94ms
6 days ago
Pernicious Numbers
snoozingnewt
30
88ms
10 days ago
DFA Simulator
snoozingnewt
330
147ms
12 days ago
Tutorial
luuumine
96
142ms
14 days ago
Tutorial
Babafaba
96
146ms
14 days ago
Farey Sequence
snoozingnewt
131
123ms
15 days ago
Partition Numbers
snoozingnewt
58
128ms
16 days ago
Van Eck Sequence
snoozingnewt
87
115ms
16 days ago
Inventory Sequence
snoozingnewt
86
131ms
17 days ago
Trinomial Triangle
GrayJoKing
🥇
35
109ms
17 days ago
Leyland Numbers
snoozingnewt
71
113ms
17 days ago
Fizz Buzz
h3ra993huskp
44
98ms
17 days ago
Emirp Numbers (Long)
snoozingnewt
112
393ms
17 days ago
Quine
snoozingnewt
27
122ms
18 days ago
Leyland Numbers
SirFireball3521
77
114ms
18 days ago
Prime Numbers (Long)
edsrzf
21
148ms
18 days ago
Prime Numbers
edsrzf
🥇
19
99ms
18 days ago
Pangram Grep
snoozingnewt
35
117ms
19 days ago
Fibonacci
snoozingnewt
22
100ms
20 days ago
Abundant Numbers
snoozingnewt
56
119ms
20 days ago
Abundant Numbers (Long)
snoozingnewt
56
284ms
20 days ago
Pernicious Numbers (Long)
snoozingnewt
48
143ms
21 days ago
Collatz
snoozingnewt
82
126ms
22 days ago
Foo Fizz Buzz Bar
snoozingnewt
68
115ms
23 days ago
Pernicious Numbers
Yax42
40
105ms
26 days ago
Trinomial Triangle
SirBogman
🥉
38
128ms
27 days ago
Trinomial Triangle
nwellnhof
🥇
35
122ms
2 Oct 2025
Trinomial Triangle
DialFrost
39
129ms
2 Oct 2025
Repeating Decimals
snoozingnewt
72
172ms
1 Oct 2025
Niven Numbers
snoozingnewt
32
96ms
1 Oct 2025
Pascal’s Triangle
snoozingnewt
98
113ms
1 Oct 2025
Trinomial Triangle
snoozingnewt
111
115ms
1 Oct 2025
Trinomial Triangle
blaztoma
129
114ms
30 Sep 2025
Trinomial Triangle
CaedenHarper
2,072
96ms
30 Sep 2025
Niven Numbers (Long)
snoozingnewt
32
160ms
30 Sep 2025
Prime Numbers (Long)
snoozingnewt
24
105ms
28 Sep 2025
Prime Numbers
snoozingnewt
23
90ms
28 Sep 2025
Emirp Numbers
snoozingnewt
112
166ms
26 Sep 2025
Catalan Numbers
snoozingnewt
44
142ms
26 Sep 2025
Recamán
snoozingnewt
183
117ms
24 Sep 2025
Catalan Numbers
fuzzylojik-golf
38
113ms
21 Sep 2025
Hilbert Curve
SirBogman
💎
100
212ms
16 Sep 2025
Fizz Buzz
seaker
44
101ms
16 Sep 2025
Tutorial
seaker
33
151ms
16 Sep 2025
Tutorial
snoozingnewt
33
154ms
15 Sep 2025
Evil Numbers (Long)
snoozingnewt
41
132ms
13 Sep 2025
Evil Numbers
snoozingnewt
39
107ms
13 Sep 2025
Pascal’s Triangle
dokutan
406
133ms
13 Sep 2025
Diamonds
dokutan
217
128ms
13 Sep 2025
Happy Numbers (Long)
snoozingnewt
70
153ms
13 Sep 2025
Happy Numbers
snoozingnewt
70
126ms
13 Sep 2025
Emirp Numbers
dokutan
141
95ms
12 Sep 2025
Look and Say
CaedenHarper
58
129ms
11 Sep 2025
Repeating Decimals
CaedenHarper
63
196ms
11 Sep 2025
Divisors
mishak-sys
57
102ms
10 Sep 2025
Collatz
dokutan
61
213ms
7 Sep 2025
Collatz
kmathis22
89
116ms
5 Sep 2025
Fizz Buzz
madex
44
86ms
3 Sep 2025
Inventory Sequence
blaztoma
75
96ms
2 Sep 2025
Hilbert Curve
dokutan
🥉
482
150ms
28 Aug 2025
Hilbert Curve
CaedenHarper
2,053
102ms
28 Aug 2025
Fibonacci
CaedenHarper
21
123ms
26 Aug 2025
Tutorial
frankgraziano
33
150ms
23 Aug 2025
Tutorial
Vexxter9
96
118ms
21 Aug 2025
Odious Numbers (Long)
fuzzylojik-golf
32
109ms
21 Aug 2025
Evil Numbers (Long)
fuzzylojik-golf
33
141ms
21 Aug 2025
Odious Numbers
fuzzylojik-golf
33
108ms
21 Aug 2025