The
Minesweeper
hole will go live in approximately
16 hours
. Why not try and solve it ahead of time?
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Emojify
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Factorial Factorisation
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Number Spiral
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Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
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Pernicious Numbers (Long)
Poker
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Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
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Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
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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
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Vampire Numbers
Van Eck Sequence
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γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
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Flags
Floyd-Steinberg Dithering
Gray Code Decoder
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Highly Composite Numbers
Minesweeper
NFA Simulator
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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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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
Set
snoozingnewt
253
524ms
9 hours ago
Mandelbrot
snoozingnewt
225
135ms
12 hours ago
Tutorial
Openstreetmapler
149
406ms
13 hours ago
Minesweeper
Ripick
195
350ms
15 hours ago
Tower of Hanoi
Shanethegamer
3,586
133ms
29 hours ago
ASCII Table
edsrzf
🥈
128
378ms
46 hours ago
Minesweeper
edsrzf
154
409ms
46 hours ago
SI Units
MichalMarsalek
🥈
549
1,479ms
2 days ago
Ellipse Perimeters
Shanethegamer
113
680ms
3 days ago
Minesweeper
Shanethegamer
196
361ms
4 days ago
Pangram Grep
Ralac07
166
380ms
4 days ago
Minesweeper
janAkali
243
381ms
4 days ago
Scrambled Sort
Ripick
🥉
172
406ms
5 days ago
Smith Numbers
Ripick
159
220ms
5 days ago
Tongue-twisters
snoozingnewt
355
291ms
7 days ago
Maze
Ripick
🥈
136
377ms
7 days ago
Divisors
edsrzf
💎
66
135ms
9 days ago
Pernicious Numbers
snoozingnewt
43
122ms
10 days ago
Hilbert Curve
snoozingnewt
471
325ms
12 days ago
DFA Simulator
snoozingnewt
307
396ms
13 days ago
Foo Fizz Buzz Bar
snoozingnewt
152
143ms
14 days ago
Tutorial
luuumine
149
564ms
14 days ago
Tutorial
Babafaba
149
593ms
15 days ago
Hilbert Curve
janAkali
2,057
133ms
16 days ago
Seven Segment
janAkali
214
386ms
16 days ago
Farey Sequence
snoozingnewt
151
139ms
16 days ago
Trinomial Triangle
JayXon
💎
94
137ms
17 days ago
Smith Numbers
snoozingnewt
195
210ms
17 days ago
Van Eck Sequence
snoozingnewt
116
226ms
17 days ago
Inventory Sequence
snoozingnewt
133
159ms
17 days ago
Fizz Buzz
h3ra993huskp
144
144ms
18 days ago
Pangram Grep
janAkali
96
591ms
18 days ago
Odious Numbers
Babafaba
47
149ms
19 days ago
Time Distance
janAkali
356
453ms
19 days ago
Trinomial Triangle
edsrzf
🥈
100
151ms
20 days ago
Arithmetic Numbers
snoozingnewt
90
360ms
21 days ago
Pernicious Numbers (Long)
snoozingnewt
72
165ms
21 days ago
Trinomial Triangle
Ripick
150
389ms
24 days ago
Trinomial Triangle
dokutan
746
140ms
24 days ago
Poker
edsrzf
🥈
353
507ms
24 days ago
Happy Numbers
snoozingnewt
101
141ms
25 days ago
Intersection
snoozingnewt
194
500ms
25 days ago
Niven Numbers (Long)
snoozingnewt
81
201ms
25 days ago
Prime Numbers
snoozingnewt
72
170ms
26 days ago
Prime Numbers (Long)
snoozingnewt
74
355ms
26 days ago
Pernicious Numbers
Yax42
43
139ms
26 days ago
Trinomial Triangle
snoozingnewt
🥉
128
400ms
27 days ago
Quine
snoozingnewt
75
315ms
27 days ago
Leap Years
snoozingnewt
56
438ms
27 days ago
Odious Numbers (Long)
snoozingnewt
62
208ms
27 days ago
Odious Numbers
snoozingnewt
61
194ms
27 days ago
Evil Numbers (Long)
snoozingnewt
63
168ms
27 days ago
Evil Numbers
snoozingnewt
61
125ms
27 days ago
Recamán
snoozingnewt
137
211ms
27 days ago
Happy Numbers (Long)
snoozingnewt
105
201ms
27 days ago
Abundant Numbers
sean-niemann
52
186ms
27 days ago
Collatz
snoozingnewt
90
192ms
27 days ago
Abundant Numbers (Long)
snoozingnewt
76
189ms
27 days ago
Abundant Numbers
snoozingnewt
75
192ms
27 days ago
λ
snoozingnewt
1,008
175ms
27 days ago
Divisors
snoozingnewt
75
186ms
27 days ago
Fibonacci
snoozingnewt
44
133ms
27 days ago
Reverse Polish Notation
edsrzf
🥈
157
504ms
3 Oct 2025
Star Wars GPT
edsrzf
💎
153
482ms
2 Oct 2025
Trinomial Triangle
CaedenHarper
2,076
178ms
30 Sep 2025
Niven Numbers
snoozingnewt
54
142ms
30 Sep 2025
Sudoku (Fill-in)
edsrzf
💎
226
636ms
30 Sep 2025
Niven Numbers
albanian-laundromat
49
139ms
24 Sep 2025
Mahjong
dokutan
🥈
1,586
471ms
23 Sep 2025
Partition Numbers
snoozingnewt
🥉
96
133ms
23 Sep 2025
Hilbert Curve
Ripick
🥈
417
405ms
22 Sep 2025
24 Game
rucin93
💎
365
282ms
21 Sep 2025
Pangram Grep
InigoK
148
454ms
20 Sep 2025
Game of Life
edsrzf
🥇
118
465ms
19 Sep 2025
Game of Life
JayXon
🥇
118
393ms
19 Sep 2025