The
Snake
hole will go live in approximately
6 days
. Why not try and solve it ahead of time?
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Hare
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Hy
Knight
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12 Days of Christmas
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99 Bottles of Beer
Abundant Numbers
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Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Chess Move Validation
Christmas Trees
Collatz
Connect Four
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
Musical Chords
N Queens
Nim
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)
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
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Thue–Morse Constant
Turtle
Tutorial
Yellowstone Permutation
Hole
Golfer
Bytes
Time
Submitted
Look and Say
dpamar
76
11ms
22 days ago
Look and Say
bitsandbeyond
69
7ms
24 days ago
Look and Say
egu555
67
7ms
18 Aug 2026
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JOrE20
62
7ms
16 Aug 2026
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iczelia
66
7ms
8 Aug 2026
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dokutan
87
6ms
27 Jul 2026
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ArthurPH25
66
8ms
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68
6ms
13 Jul 2026
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amillerman
68
7ms
13 Jul 2026
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solisolu
68
7ms
2 Jul 2026
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118
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16 Jun 2026
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oaiqjuy
67
7ms
18 May 2026
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Xanderium
94
10ms
11 Apr 2026
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AzertyWasTaken
73
7ms
8 Apr 2026
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madex
67
8ms
5 Apr 2026
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weliveinhell
66
8ms
27 Feb 2026
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edsrzf
62
9ms
28 Jan 2026
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KatieLG
67
11ms
8 Jan 2026
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Ultra814
99
9ms
29 Nov 2025
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105
7ms
3 Nov 2025
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alexsave
105
8ms
1 Nov 2025
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69
8ms
20 Oct 2025
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snoozingnewt
67
8ms
13 Oct 2025
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69
7ms
25 Aug 2025
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68
7ms
22 Jul 2025
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79
8ms
22 Jul 2025
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acollett89
107
7ms
18 Jul 2025
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FortuiteMan
76
7ms
14 Jul 2025
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Lv0Sys
68
7ms
22 Jun 2025
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XenThe
67
7ms
15 Jun 2025
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a6166231
92
6ms
5 Jun 2025
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MyXoToD
149
7ms
9 May 2025
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Ralac07
85
8ms
18 Apr 2025
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JackieAlacrity2373
674
6ms
9 Mar 2025
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targrik
67
7ms
11 Feb 2025
Look and Say
emgordon154
🥇
60
7ms
31 Jan 2025
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DialFrost
62
7ms
30 Jan 2025
Look and Say
lukegustafson
🥇
60
6ms
21 Dec 2024
Look and Say
Salutations45
85
7ms
11 Dec 2024
Look and Say
lifthrasiir
62
7ms
23 Nov 2024
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Mabeloid
124
7ms
16 Oct 2024
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KingSkyrock
66
6ms
14 Oct 2024
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pardouin
67
7ms
9 Oct 2024
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xyangst
84
7ms
7 Oct 2024
Look and Say
rucin93
🥇
60
12ms
26 Sep 2024
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Steffan153
🥇
60
6ms
3 Aug 2024
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sean-niemann
🥇
60
6ms
3 Aug 2024
Look and Say
MeWhenI
68
6ms
3 Aug 2024
Look and Say
duckyluuk
62
8ms
17 Jul 2024
Look and Say
unfinishedprogram
83
7ms
15 Jul 2024
Look and Say
mrxz
106
7ms
24 Jun 2024
Look and Say
hacker112
915
7ms
20 Jun 2024
Look and Say
vlpx
🥇
60
7ms
18 Jun 2024
Look and Say
junkondo-jp
82
6ms
28 May 2024
Look and Say
helbling
62
7ms
15 May 2024
Look and Say
Michiocre
86
6ms
30 Apr 2024
Look and Say
eranws
98
7ms
18 Mar 2024
Look and Say
trinityy-7
66
6ms
15 Mar 2024
Look and Say
HumanoidCPU
96
7ms
28 Feb 2024
Look and Say
two-bad
87
7ms
25 Feb 2024
Look and Say
voytxt
62
8ms
4 Feb 2024
Look and Say
dylanarmstrong
73
6ms
22 Jan 2024
Look and Say
olleicua
77
6ms
20 Jan 2024
Look and Say
jbt
67
6ms
24 Dec 2023
Look and Say
coreynash
66
6ms
3 Nov 2023
Look and Say
InspectorBoat
111
6ms
25 Oct 2023
Look and Say
Larento
66
6ms
12 Oct 2023
Look and Say
Argeento
62
6ms
25 Aug 2023
Look and Say
ovs-code
68
9ms
24 Aug 2023
Look and Say
Andrey-Plotnikov
66
7ms
23 Aug 2023
Look and Say
biocommando
76
7ms
9 Aug 2023
Look and Say
Vaekor
144
7ms
3 Aug 2023
Look and Say
AlephSquirrel
85
7ms
1 Jul 2023
Look and Say
sebipopa
82
6ms
8 Jun 2023
Look and Say
stefangabos
82
6ms
7 Jun 2023
Look and Say
adamnielson42
116
6ms
2 Jun 2023
Look and Say
Shanethegamer
93
6ms
25 May 2023
Look and Say
tayloia
76
7ms
17 May 2023
Look and Say
ShiraJoseph
128
6ms
1 May 2023
Look and Say
alasdair-greenland
66
7ms
11 Apr 2023
Look and Say
lewdev
127
6ms
7 Apr 2023
Look and Say
zakariamouhid
67
6ms
28 Feb 2023
Look and Say
neel11235813
98
6ms
18 Feb 2023
Look and Say
randolchance
112
7ms
18 Jan 2023
Look and Say
BambooleanLogic
98
6ms
11 Jan 2023
Look and Say
Re-Adventures
85
6ms
4 Jan 2023
Look and Say
aksyristos
105
6ms
28 Dec 2022
Look and Say
retrohun
1,306
6ms
28 Dec 2022
Look and Say
chasewalden
68
7ms
23 Nov 2022
Look and Say
GeorgeStechman
99
7ms
18 Nov 2022
Look and Say
Maznek
66
7ms
18 Nov 2022
Look and Say
Yareeeema
105
6ms
9 Nov 2022
Look and Say
LukeBridges
67
7ms
3 Nov 2022
Look and Say
zbream
141
6ms
18 Aug 2022
Look and Say
Ashikpaul
87
7ms
29 Jul 2022
Look and Say
maxpelic
85
6ms
11 Jul 2022
Look and Say
KatieLG-Transpiler
1,287
6ms
23 Jun 2022
Look and Say
dmrichwa
85
6ms
4 Jun 2022
Look and Say
DaCuteRaccoon
112
7ms
6 Apr 2022
Look and Say
fitzdotlol
68
7ms
23 Mar 2022