The
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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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Abundant Numbers
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Billiards
brainfuck
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Christmas Trees
Collatz
Connect Four
Continued Fractions
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Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
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Emojify
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Factorial Factorisation
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Fibonacci
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Fractions
Game of Life
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Intersection
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ISBN
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ln 2
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Maze
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Minesweeper
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Morse Encoder
Multitap Input
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N Queens
Nim
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Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
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Poker
Polyominoes
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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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
Ulam Sequence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Chess960 Decoder
Chess960 Encoder
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
Langton’s Ant
Lyndon Factorization
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Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
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Semiprime Numbers
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Tutorial
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Hole
Golfer
Chars
Time
Submitted
Evil Numbers
JOrE20
21
32ms
2 hours ago
Evil Numbers
KatieLG
81
33ms
15 days ago
Evil Numbers
HumanoidCPU
194
35ms
19 days ago
Evil Numbers
firegene
21
35ms
14 May 2026
Evil Numbers
rkg-huwdu
19
42ms
12 May 2026
Evil Numbers
codereport
🥇
18
34ms
28 Apr 2026
Evil Numbers
scpchicken
🥇
18
38ms
11 Apr 2026
Evil Numbers
edsrzf
22
36ms
18 Mar 2026
Evil Numbers
Samuel-George-Greenberger
28
38ms
16 Dec 2025
Evil Numbers
snoozingnewt
🥇
18
36ms
3 Dec 2025
Evil Numbers
uiu007
44
42ms
14 Sep 2025
Evil Numbers
fuzzylojik-golf
🥇
18
41ms
27 Aug 2025
Evil Numbers
2bular
🥇
18
34ms
25 Aug 2025
Evil Numbers
gigaprofisi
219
40ms
4 Jul 2025
Evil Numbers
stackofbears
21
34ms
14 Mar 2025
Evil Numbers
JayXon
🥇
18
34ms
8 Mar 2025
Evil Numbers
Natanaelel
🥇
18
45ms
8 Nov 2024
Evil Numbers
anter69
194
37ms
16 Oct 2024
Evil Numbers
pardouin
🥇
18
39ms
24 Sep 2024
Evil Numbers
dpinchbe
31
41ms
6 Sep 2024
Evil Numbers
dokutan
31
35ms
21 Aug 2024
Evil Numbers
Yewzir
23
40ms
26 Dec 2023
Evil Numbers
FortuiteMan
205
38ms
8 Sep 2023
Evil Numbers
MeWhenI
26
36ms
7 Aug 2023
Evil Numbers
greenstuartj
28
34ms
1 Aug 2023
Evil Numbers
Schmitt-Very-Cool
219
44ms
31 Jul 2023
Evil Numbers
4hg
🥇
18
36ms
19 Apr 2023
Evil Numbers
ashtraypettingzoo
21
41ms
24 Feb 2023
Evil Numbers
DialFrost
🥇
18
37ms
26 Jan 2023
Evil Numbers
sean-niemann
🥇
18
37ms
26 Jan 2023
Evil Numbers
Steffan153
🥇
18
36ms
11 Jan 2023
Evil Numbers
AshyIsMe
23
36ms
14 Oct 2022
Evil Numbers
saltysylvi
21
36ms
11 Oct 2022
Evil Numbers
jinwoo
30
40ms
14 Jul 2022
Evil Numbers
KatieLG-Transpiler
445
35ms
24 Jun 2022
Evil Numbers
jared-hughes
22
35ms
25 May 2022
Evil Numbers
ovs-code
🥇
18
39ms
6 May 2022
Evil Numbers
dragonsourced
28
36ms
21 Apr 2022
Evil Numbers
j-Ewan
24
38ms
22 Feb 2022
Evil Numbers
jhfranklin
29
36ms
8 Feb 2022
Evil Numbers
GrayJoKing
🥇
18
38ms
3 Feb 2022
Evil Numbers
Toanuvo
24
36ms
20 Jan 2022
Evil Numbers
SirBogman
🥇
18
34ms
19 Jan 2022
Evil Numbers
Lydxn
🥇
18
34ms
10 Jan 2022
Evil Numbers
NewDefectus
🥇
18
35ms
5 Dec 2021
Evil Numbers
Bubbler-4
🥇
18
36ms
17 Nov 2021
Evil Numbers
lynn
🥇
18
37ms
13 Nov 2021
Evil Numbers
mokymok
195
35ms
10 Nov 2021
Evil Numbers
rak1507
🥇
18
34ms
13 Sep 2021
Evil Numbers
kurkale6ka
21
42ms
25 Aug 2021
Evil Numbers
AlephSquirrel
27
37ms
2 Jun 2021
Evil Numbers
Shanethegamer
28
34ms
16 Apr 2021
Evil Numbers
RustemB
23
36ms
10 Apr 2021
Evil Numbers
o0lit3
21
36ms
23 Mar 2021
Evil Numbers
xkacer
177
38ms
22 Nov 2020
Evil Numbers
StellaCG
🥇
18
38ms
10 Jul 2020
Evil Numbers
jonahx
🥇
18
35ms
15 May 2020
Evil Numbers
nwellnhof
🥇
18
35ms
6 May 2020
Evil Numbers
yzhs
23
38ms
21 Jan 2020
Evil Numbers
prplz
🥇
18
37ms
3 Jan 2020
Evil Numbers
galanakis
22
34ms
9 Dec 2019
Evil Numbers
diddily
21
38ms
30 Oct 2019
Evil Numbers
Ludusamo
34
37ms
6 Aug 2019
Evil Numbers
orthoplex
21
34ms
29 Apr 2019
Evil Numbers
retrohun
194
35ms
21 Dec 2018
Evil Numbers
yokasuretsu
31
37ms
13 Nov 2018
Evil Numbers
hrrs01
27
35ms
12 Oct 2018
Evil Numbers
nlc
39
35ms
8 Oct 2018
Evil Numbers
HPWiz
🥇
18
34ms
13 Sep 2018
Evil Numbers
primo-ppcg
🥇
18
36ms
5 Sep 2018
Evil Numbers
jslip
21
38ms
3 Sep 2018
Evil Numbers
miles-cg
🥇
18
36ms
23 Aug 2018
Evil Numbers
kritixilithos
🥇
18
43ms
12 Aug 2018