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hole will go live in approximately
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. 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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Poker
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Proximity Grid
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Quine
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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
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Time Distance
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Topological Sort
Transpose Sentence
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λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
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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
Julia
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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
Bytes
Time
Submitted
Set
snoozingnewt
🥉
304
625ms
27 mins ago
Tower of Hanoi
rucin93
56
4ms
4 hours ago
Tutorial
Openstreetmapler
133
3ms
4 hours ago
Tower of Hanoi
Shanethegamer
3,583
3ms
20 hours ago
Kolakoski Sequence
snoozingnewt
117
11ms
21 hours ago
Fibonacci
luuumine
52
2ms
2 days ago
Quine
luuumine
🥇
19
2ms
2 days ago
Pernicious Numbers
CaedenHarper
41
2ms
3 days ago
Odious Numbers (Long)
snoozingnewt
61
4ms
5 days ago
Odious Numbers
snoozingnewt
60
2ms
5 days ago
Evil Numbers (Long)
snoozingnewt
62
4ms
5 days ago
Evil Numbers
snoozingnewt
60
2ms
5 days ago
Tongue-twisters
snoozingnewt
373
3ms
7 days ago
Zeckendorf Representation
retrohun
🥉
91
19ms
7 days ago
Quine
Babafaba
🥇
19
2ms
8 days ago
Day of Week
frankgraziano
148
101ms
9 days ago
Pernicious Numbers
snoozingnewt
41
2ms
10 days ago
Hilbert Curve
snoozingnewt
🥈
575
28ms
12 days ago
DFA Simulator
snoozingnewt
🥉
354
71ms
12 days ago
Ellipse Perimeters
saito-ta
50
2ms
13 days ago
Niven Numbers
Babafaba
45
5ms
13 days ago
Fizz Buzz
rucin93
58
3ms
13 days ago
Tutorial
luuumine
133
4ms
14 days ago
Tutorial
Babafaba
133
3ms
15 days ago
Farey Sequence
snoozingnewt
115
7ms
15 days ago
Van Eck Sequence
snoozingnewt
89
12ms
17 days ago
Inventory Sequence
snoozingnewt
76
10ms
17 days ago
Sierpiński Triangle
rucin93
🥉
77
56ms
18 days ago
Van Eck Sequence
retrohun
94
670ms
19 days ago
Fizz Buzz
ElieDeBrauwer
87
3ms
19 days ago
99 Bottles of Beer
ElieDeBrauwer
315
4ms
19 days ago
Odious Numbers
Babafaba
54
2ms
19 days ago
Arithmetic Numbers
snoozingnewt
102
688ms
20 days ago
Abundant Numbers
snoozingnewt
81
38ms
20 days ago
Abundant Numbers (Long)
snoozingnewt
82
868ms
20 days ago
Collatz
snoozingnewt
97
166ms
22 days ago
Quine
albanian-laundromat
🥇
19
2ms
23 days ago
Foo Fizz Buzz Bar
snoozingnewt
80
197ms
23 days ago
Prime Numbers (Long)
snoozingnewt
112
315ms
24 days ago
Trinomial Triangle
dokutan
1,766
4ms
24 days ago
Collatz
retrohun
65
280ms
27 days ago
Intersection
snoozingnewt
179
303ms
2 Oct 2025
Trinomial Triangle
retrohun
🥈
90
9ms
2 Oct 2025
Fibonacci
jacekwladzinski
55
2ms
2 Oct 2025
Pangram Grep
CornerMercury
84
5ms
2 Oct 2025
Pascal’s Triangle
snoozingnewt
111
4ms
1 Oct 2025
Trinomial Triangle
snoozingnewt
🥉
124
5ms
30 Sep 2025
Trinomial Triangle
CaedenHarper
2,073
2ms
30 Sep 2025
Niven Numbers (Long)
snoozingnewt
99
237ms
30 Sep 2025
Niven Numbers
albanian-laundromat
75
2ms
29 Sep 2025
Fizz Buzz
Pyro569
142
2ms
29 Sep 2025
Fizz Buzz
h3ra993huskp
75
12ms
28 Sep 2025
Ten-pin Bowling
retrohun
274
202ms
27 Sep 2025
ROT13
andrewl64
179
2,254ms
25 Sep 2025
Collatz
kmathis22
101
125ms
24 Sep 2025
Recamán
snoozingnewt
140
7ms
24 Sep 2025
Partition Numbers
snoozingnewt
126
19ms
23 Sep 2025
Tutorial
targrik
66
3ms
18 Sep 2025
Pernicious Numbers
Yax42
44
2ms
16 Sep 2025
Tutorial
snoozingnewt
35
3ms
15 Sep 2025
Pangram Grep
snoozingnewt
254
28ms
11 Sep 2025
Hilbert Curve
mishak-sys
5,124
4ms
10 Sep 2025
Tutorial
ndren
72
3ms
5 Sep 2025
Foo Fizz Buzz Bar
fuzzylojik-golf
80
190ms
4 Sep 2025
Fizz Buzz
fuzzylojik-golf
57
15ms
4 Sep 2025
Partition Numbers
fuzzylojik-golf
653
2ms
3 Sep 2025
Hilbert Curve
retrohun
5,124
3ms
3 Sep 2025
Gray Code Decoder
Upload-and-View
88
74ms
2 Sep 2025
Hilbert Curve
CaedenHarper
5,124
3ms
28 Aug 2025
12 Days of Christmas
madeforlosers
2,375
2ms
26 Aug 2025
N Queens
edsrzf
🥈
119
56ms
25 Aug 2025
Arrows
CaedenHarper
329
6ms
24 Aug 2025
ROT13
frankgraziano
🥉
120
2,578ms
23 Aug 2025
24 Game
retrohun
🥈
1,267
172ms
23 Aug 2025
Quine
qpwoeirut
🥇
19
2ms
23 Aug 2025