The
Minesweeper
hole will go live in approximately
30 hours
. Why not try and solve it ahead of time?
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brainfuck
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PalindromemordnilaP
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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
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
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Star Wars GPT
Star Wars Opening Crawl
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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
Vampire Numbers
Van Eck Sequence
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γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
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p-adic Expansion
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AWK
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D
Dart
Elixir
F#
Factor
Forth
Fortran
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Groovy
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Hexagony
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Janet
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JavaScript
jq
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Perl
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Raku
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sed
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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
Bytes
Time
Submitted
Ascending Primes
HumanoidCPU
721
9ms
2 days ago
Tutorial
FEZfan
108
11ms
5 days ago
Pernicious Numbers
snoozingnewt
68
8ms
9 days ago
Tutorial
Babafaba
188
12ms
14 days ago
Evil Numbers (Long)
Babafaba
115
10ms
15 days ago
Evil Numbers
Babafaba
113
7ms
15 days ago
Odious Numbers (Long)
Babafaba
110
8ms
15 days ago
Odious Numbers
Babafaba
109
6ms
15 days ago
Quine
snoozingnewt
66
7ms
27 days ago
Tutorial
retrohun
188
12ms
19 Sep 2025
Tutorial
snoozingnewt
106
12ms
15 Sep 2025
Fizz Buzz
snoozingnewt
98
7ms
14 Sep 2025
Niven Numbers
GolfingSuccess
48
6ms
10 Sep 2025
Odious Numbers (Long)
GolfingSuccess
75
11ms
10 Sep 2025
Evil Numbers (Long)
GolfingSuccess
75
9ms
10 Sep 2025
Odious Numbers
GolfingSuccess
74
6ms
10 Sep 2025
Evil Numbers
GolfingSuccess
74
8ms
10 Sep 2025
Fibonacci
GolfingSuccess
49
7ms
10 Sep 2025
Tutorial
GolfingSuccess
75
11ms
10 Sep 2025
Hilbert Curve
HumanoidCPU
5,191
7ms
28 Aug 2025
Highly Composite Numbers
HumanoidCPU
523
8ms
25 Aug 2025
Odd Polyomino Tiling
HumanoidCPU
21,854
12ms
25 Aug 2025
Tutorial
Vexxter9
193
11ms
21 Aug 2025
Polyominoes
HumanoidCPU
6,105
108ms
19 Aug 2025
Semiprime Numbers
HumanoidCPU
18,048
478ms
19 Aug 2025
Trinomial Triangle
HumanoidCPU
2,116
8ms
19 Aug 2025
99 Bottles of Beer
HumanoidCPU
12,294
14ms
18 Aug 2025
Catalan Numbers
HumanoidCPU
3,081
7ms
18 Aug 2025
Cubes
HumanoidCPU
4,332
8ms
18 Aug 2025
Tongue-twisters
HumanoidCPU
560
7ms
18 Aug 2025
Van Eck Sequence
HumanoidCPU
4,564
80ms
17 Aug 2025
Vampire Numbers
HumanoidCPU
1,391
46ms
17 Aug 2025
Fibonacci
HumanoidCPU
164
6ms
16 Aug 2025
Abundant Numbers
HumanoidCPU
264
8ms
16 Aug 2025
Partition Numbers
HumanoidCPU
856
9ms
16 Aug 2025
Look and Say
HumanoidCPU
1,328
7ms
15 Aug 2025
Leyland Numbers
HumanoidCPU
1,109
7ms
15 Aug 2025
Farey Sequence
HumanoidCPU
5,913
51ms
15 Aug 2025
Leap Years
HumanoidCPU
1,031
7ms
14 Aug 2025
Niven Numbers (Long)
HumanoidCPU
10,523
176ms
14 Aug 2025
Odious Numbers
HumanoidCPU
134
6ms
11 Aug 2025
π
Ralac07
1,014
6ms
28 Jul 2025
Tutorial
Bpc-CPU
193
12ms
12 Jul 2025
Tutorial
gastropner
193
11ms
7 Jul 2025
Mandelbrot
HumanoidCPU
10,535
10ms
30 Jun 2025
Quine
gigaprofisi
66
8ms
29 Jun 2025
𝑒
gigaprofisi
1,016
26ms
20 Jun 2025
Tutorial
edsrzf
106
10ms
11 Jun 2025
𝑒
HumanoidCPU
1,011
6ms
5 Jun 2025
√2
HumanoidCPU
1,011
6ms
5 Jun 2025
φ
HumanoidCPU
1,011
5ms
5 Jun 2025
τ
HumanoidCPU
1,011
6ms
5 Jun 2025
π
HumanoidCPU
1,011
6ms
5 Jun 2025
λ
HumanoidCPU
1,011
6ms
5 Jun 2025
γ
HumanoidCPU
1,011
6ms
5 Jun 2025
ln 2
HumanoidCPU
1,011
6ms
5 Jun 2025
Kolakoski Constant
HumanoidCPU
1,011
6ms
5 Jun 2025
Catalan’s Constant
HumanoidCPU
1,011
6ms
5 Jun 2025
Quine
fuzzylojik-golf
66
6ms
4 Jun 2025
Tutorial
Schmitt-Very-Cool
130
13ms
28 May 2025
Factorial Factorisation
HumanoidCPU
870
7ms
26 May 2025
Niven Numbers (Long)
DialFrost
66
15ms
7 May 2025
Trinomial Triangle
KatieLG
2,345
7ms
27 Apr 2025
Sphenic Numbers
KatieLG
34,058
83ms
27 Apr 2025
Semiprime Numbers
KatieLG
49,537
152ms
27 Apr 2025
Odd Polyomino Tiling
KatieLG
24,327
11ms
27 Apr 2025
Mandelbrot
KatieLG
10,576
7ms
27 Apr 2025
Hilbert Curve
KatieLG
5,564
7ms
27 Apr 2025
Highly Composite Numbers
KatieLG
1,244
10ms
27 Apr 2025
Hexagonal Spiral
KatieLG
1,623
8ms
27 Apr 2025
Odd Polyomino Tiling
Shanethegamer
24,120
11ms
25 Apr 2025
Sphenic Numbers
Shanethegamer
32,258
53ms
25 Apr 2025
Semiprime Numbers
Shanethegamer
46,912
75ms
25 Apr 2025
Highly Composite Numbers
Shanethegamer
1,183
7ms
25 Apr 2025
Mandelbrot
Shanethegamer
10,535
8ms
25 Apr 2025