The
Snake
hole will go live in approximately
2 days
. Why not try and solve it ahead of time?
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ALGOL 68
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brainfuck
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C#
C++
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Coconut
Common Lisp
Crystal
D
Dart
Elixir
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Factor
Forth
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Go
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Groovy
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Hexagony
iogii
J
Janet
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jq
Julia
K
Kotlin
Lua
Nim
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Perl
PHP
PowerShell
Prolog
Python
R
Raku
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Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
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
CSS Colors
denkyuu1
2,264
39ms
20 Aug 2026
CSS Colors
scpchicken
3,979
41ms
20 Aug 2026
CSS Colors
LostSyntax21
708
39ms
27 Jul 2026
CSS Colors
madex
679
42ms
20 Jul 2026
CSS Colors
CaedenHarper
590
43ms
7 Jul 2026
CSS Colors
blaztoma
585
57ms
12 Jun 2026
CSS Colors
Natanaelel
589
62ms
25 Feb 2026
CSS Colors
snoozingnewt
630
38ms
20 Feb 2026
CSS Colors
TheZwierzLF
2,065
42ms
27 Dec 2025
CSS Colors
tatzyr
🥈
569
53ms
13 Oct 2025
CSS Colors
sean-niemann
582
38ms
2 Aug 2025
CSS Colors
pardouin
583
43ms
22 Jul 2025
CSS Colors
radarek
580
319ms
2 Jul 2025
CSS Colors
dokutan
2,097
39ms
21 Apr 2025
CSS Colors
anter69
603
144ms
11 Nov 2024
CSS Colors
olleicua
1,549
38ms
24 Sep 2024
CSS Colors
emgordon154
754
52ms
18 Jul 2024
CSS Colors
ovs-code
593
39ms
9 Jul 2024
CSS Colors
Lydxn
💎
566
66ms
20 Apr 2024
CSS Colors
MeWhenI
584
41ms
25 Mar 2024
CSS Colors
PikeIt
2,210
37ms
27 Jun 2023
CSS Colors
m-tkach
🥈
569
43ms
27 May 2023
CSS Colors
Steffan153
581
44ms
11 Mar 2023
CSS Colors
Haksell
1,852
40ms
22 Feb 2023
CSS Colors
4hg
910
43ms
24 Jan 2023
CSS Colors
stefangimmillaro
595
41ms
29 Dec 2022
CSS Colors
jared-hughes
630
42ms
12 Sep 2022
CSS Colors
Andriamanitra
932
40ms
21 Jul 2022
CSS Colors
KatieLG-Transpiler
3,631
37ms
3 Jul 2022
CSS Colors
SirBogman
833
36ms
8 Jun 2022
CSS Colors
KatieLG
904
45ms
10 Apr 2022
CSS Colors
Irratix
597
41ms
5 Apr 2022
CSS Colors
sisyphus-ppcg
581
47ms
9 Mar 2022
CSS Colors
olivermrose
1,072
43ms
22 Sep 2021
CSS Colors
jbbarth
743
42ms
6 Sep 2021
CSS Colors
JayXon
581
50ms
10 Aug 2021
CSS Colors
Shanethegamer
642
37ms
29 Jul 2021
CSS Colors
hiddicop
804
43ms
5 Feb 2021
CSS Colors
primo-ppcg
581
42ms
21 Dec 2020
CSS Colors
jaredcrystal
753
41ms
14 Dec 2020
CSS Colors
prplz
592
42ms
13 Oct 2020
CSS Colors
Waffle3z
839
39ms
27 Sep 2020
CSS Colors
proton
2,456
36ms
21 Jun 2020