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Minesweeper
hole will go live in approximately
25 hours
. Why not try and solve it ahead of time?
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12 Days of Christmas
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99 Bottles of Beer
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brainfuck
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Emirp Numbers (Long)
Emojify
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Factorial Factorisation
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Fractions
Game of Life
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Happy Numbers (Long)
Hexdump
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ln 2
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Number Spiral
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Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
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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
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Reversi
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Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
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Star Wars GPT
Star Wars Opening Crawl
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Ten-pin Bowling
Tic-tac-toe
Time Distance
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Topological Sort
Transpose Sentence
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Van Eck Sequence
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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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Assembly
AWK
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brainfuck
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C#
C++
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Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
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Go
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Groovy
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Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
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Perl
PHP
PowerShell
Prolog
Python
R
Raku
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Ruby
Rust
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sed
SQL
Swift
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
Niven Numbers (Long)
butnaruteodor
56
16ms
a min ago
Niven Numbers
butnaruteodor
54
10ms
4 mins ago
Arrows
rustykitty
283
13ms
21 mins ago
CSS Colors
rustykitty
3,152
12ms
23 mins ago
Arithmetic Numbers
butnaruteodor
82
1,847ms
34 mins ago
ROT13
luuumine
🥇
68
10ms
46 mins ago
Minesweeper
dokutan
213
42ms
73 mins ago
Transpose Sentence
butnaruteodor
114
24ms
97 mins ago
Tower of Hanoi
snoozingnewt
74
11ms
2 hours ago
Evil Numbers
Deedogg
48
9ms
2 hours ago
Evil Numbers (Long)
Deedogg
50
10ms
2 hours ago
Zodiac Signs
blaztoma
161
12ms
2 hours ago
Tower of Hanoi
pardouin
56
11ms
2 hours ago
Pascal’s Triangle
Deedogg
90
10ms
2 hours ago
𝑒
snoozingnewt
🥇
48
16ms
2 hours ago
ln 2
snoozingnewt
58
17ms
2 hours ago
√2
snoozingnewt
🥇
49
12ms
2 hours ago
Look and Say
Deedogg
149
10ms
2 hours ago
Pernicious Numbers (Long)
Deedogg
64
16ms
2 hours ago
Pernicious Numbers
Deedogg
53
9ms
2 hours ago
Odious Numbers (Long)
Deedogg
48
11ms
2 hours ago
Proximity Grid
emgordon154
184
72ms
3 hours ago
Tower of Hanoi
bricknellj
55
11ms
3 hours ago
Tower of Hanoi
KasperKivimaeki
57
11ms
3 hours ago
Apéry’s Constant
ryyyn
77
42ms
3 hours ago
Cubes
ryyyn
194
11ms
4 hours ago
Tutorial
Openstreetmapler
152
10ms
4 hours ago
Recamán
ryyyn
67
10ms
4 hours ago
Partition Numbers
ryyyn
80
10ms
4 hours ago
Topological Sort
ryyyn
128
30ms
4 hours ago
ROT13
bricknellj
70
10ms
5 hours ago
Vampire Numbers
solisolu
133
444ms
5 hours ago
Tower of Hanoi
khvdm
52
11ms
5 hours ago
Tower of Hanoi
ovs-code
57
11ms
5 hours ago
Minesweeper
CaedenHarper
149
28ms
5 hours ago
Transpose Sentence
ryyyn
92
18ms
5 hours ago
ROT13
CaedenHarper
🥇
68
10ms
5 hours ago
Mandelbrot
ryyyn
119
1,110ms
6 hours ago
Minesweeper
bricknellj
132
25ms
6 hours ago
Minesweeper
bzijlema
163
32ms
7 hours ago
Minesweeper
albanian-laundromat
139
17ms
7 hours ago
Tower of Hanoi
DialFrost
70
11ms
7 hours ago
Divisors
solisolu
🥇
57
10ms
7 hours ago
Tower of Hanoi
rucin93
58
11ms
7 hours ago
Ascending Primes
blaztoma
121
1,082ms
8 hours ago
ln 2
luuumine
57
17ms
8 hours ago
𝑒
luuumine
🥇
48
17ms
9 hours ago
√2
luuumine
🥇
49
12ms
9 hours ago
Reversi
Babafaba
346
20ms
9 hours ago
Tower of Hanoi
hallvabo
56
11ms
9 hours ago
ROT13
blaztoma
🥇
68
10ms
10 hours ago
Ascending Primes
Emutis
179
1,893ms
10 hours ago
𝑒
Babafaba
🥇
48
16ms
10 hours ago
ln 2
Babafaba
🥇
53
18ms
11 hours ago
√2
Babafaba
🥇
49
12ms
11 hours ago
Polyominoes
CatsAreFluffy
455
413ms
11 hours ago
Tower of Hanoi
GolfingSuccess
57
11ms
12 hours ago
Minesweeper
jtaxen
371
21ms
12 hours ago
Tower of Hanoi
stefangimmillaro
55
12ms
12 hours ago
ASCII Table
Emutis
129
10ms
12 hours ago
Tower of Hanoi
duckyluuk
73
11ms
14 hours ago
Tower of Hanoi
Mukundan314
70
11ms
14 hours ago
Rijndael S-box
Babafaba
242
23ms
15 hours ago
Lucky Numbers
Babafaba
68
11ms
16 hours ago
Proximity Grid
Babafaba
433
14ms
17 hours ago
Minesweeper
emgordon154
145
54ms
17 hours ago
Gijswijt’s Sequence
Babafaba
176
92ms
17 hours ago
Jacobi Symbol
Babafaba
218
16ms
17 hours ago
Sierpiński Triangle
Babafaba
97
9ms
17 hours ago
ASCII Table
Babafaba
133
10ms
17 hours ago
Tower of Hanoi
Shanethegamer
73
11ms
17 hours ago
Topological Sort
CatsAreFluffy
219
20ms
17 hours ago
Leyland Numbers
Babafaba
85
10ms
17 hours ago
Set
CatsAreFluffy
190
19ms
17 hours ago
Happy Numbers
Babafaba
80
9ms
17 hours ago