The
Snake
hole will go live in approximately
19 hours
. Why not try and solve it ahead of time?
Recent Solutions
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Cheevos
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12 Days of Christmas
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99 Bottles of Beer
Abundant Numbers
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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
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
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><>
ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
iogii
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
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
Chars
Time
Submitted
Snake
albanian-laundromat
244
661ms
2 hours ago
Look and Say
Steffan153
🥇
113
454ms
3 hours ago
Prime Numbers
Europe2048
78
339ms
9 hours ago
Prime Numbers (Long)
Europe2048
79
388ms
9 hours ago
Snake
kmathis22
263
360ms
12 hours ago
Vampire Numbers
JOrE20
177
1,073ms
15 hours ago
Rule 110
JOrE20
145
370ms
16 hours ago
Evil Numbers (Long)
JOrE20
62
339ms
19 hours ago
Emirp Numbers (Long)
JOrE20
136
357ms
20 hours ago
ASCII Table
Brain-Boy-53
278
355ms
31 hours ago
Catalan’s Constant
JOrE20
175
357ms
33 hours ago
Minesweeper
JOrE20
196
420ms
39 hours ago
Ten-pin Bowling
JOrE20
201
479ms
40 hours ago
Sudoku (Fill-in)
JOrE20
385
474ms
40 hours ago
Star Wars GPT
JOrE20
263
473ms
41 hours ago
Time Distance
JOrE20
311
434ms
42 hours ago
CSS Colors
JOrE20
766
359ms
42 hours ago
Emojify
JOrE20
148
500ms
42 hours ago
Cubes
JOrE20
287
384ms
42 hours ago
Diamonds
JOrE20
139
354ms
43 hours ago
Leap Years
JOrE20
68
353ms
43 hours ago
Morse Decoder
JOrE20
184
403ms
43 hours ago
Factorial Factorisation
JOrE20
138
393ms
44 hours ago
Leap Years
Nyfii
67
335ms
44 hours ago
Morse Encoder
JOrE20
194
445ms
45 hours ago
Medal Tally
JOrE20
211
357ms
45 hours ago
Poker
JOrE20
🥉
342
537ms
45 hours ago
Forsyth–Edwards Notation
JOrE20
159
344ms
45 hours ago
Snake
madex
215
365ms
2 days ago
Multitap Input
JOrE20
159
348ms
2 days ago
Intersection
JOrE20
207
391ms
2 days ago
Number Spiral
JOrE20
150
369ms
2 days ago
Tic-tac-toe
JOrE20
123
522ms
2 days ago
Kaprekar Numbers
JOrE20
96
864ms
2 days ago
Mandelbrot
JOrE20
161
367ms
2 days ago
Nim
JOrE20
139
363ms
2 days ago
Rock-paper-scissors-Spock-lizard
JOrE20
239
480ms
2 days ago
Jacobi Symbol
JOrE20
172
370ms
2 days ago
Ordinal Numbers
JOrE20
124
362ms
2 days ago
Polyominoes
JOrE20
🥉
308
395ms
2 days ago
Game of Life
JOrE20
193
376ms
2 days ago
Pangram Grep
JOrE20
98
426ms
2 days ago
Zodiac Signs
JOrE20
231
362ms
2 days ago
Hexdump
JOrE20
🥉
229
351ms
2 days ago
Farey Sequence
JOrE20
88
352ms
2 days ago
Continued Fractions
JOrE20
182
362ms
2 days ago
ISBN
JOrE20
121
346ms
3 days ago
ROT13
JOrE20
108
360ms
3 days ago
Leyland Numbers
JOrE20
142
374ms
3 days ago
Happy Numbers
JOrE20
79
348ms
3 days ago
Gijswijt’s Sequence
JOrE20
111
1,629ms
3 days ago
Hilbert Curve
JOrE20
🥉
273
358ms
3 days ago
Partition Numbers
JOrE20
108
350ms
3 days ago
Alphabetic Numbers
JOrE20
250
401ms
3 days ago
Rijndael S-box
JOrE20
199
360ms
3 days ago
brainfuck
JOrE20
234
393ms
3 days ago
Set
JOrE20
218
398ms
3 days ago
Snake
h3ra993huskp
283
358ms
3 days ago
Emirp Numbers
JOrE20
106
326ms
3 days ago
Look and Say
JOrE20
140
357ms
3 days ago
Foo Fizz Buzz Bar
JOrE20
135
361ms
3 days ago
United States
JOrE20
173
507ms
3 days ago
Inventory Sequence
JOrE20
98
347ms
3 days ago
Transpose Sentence
JOrE20
137
372ms
3 days ago
Ulam Sequence
JOrE20
129
343ms
3 days ago
Trinomial Triangle
JOrE20
121
351ms
3 days ago
Abundant Numbers
Charles14481
103
358ms
4 days ago
Topological Sort
kmathis22
581
477ms
4 days ago
Leap Years
Brain-Boy-53
100
350ms
4 days ago
Abundant Numbers
Edjyzod
109
349ms
4 days ago
brainfuck
Brain-Boy-53
456
418ms
4 days ago
Scrambled Sort
JOrE20
190
368ms
4 days ago
Billiards
JOrE20
222
354ms
4 days ago
Spelling Numbers
JOrE20
369
367ms
4 days ago
Tower of Hanoi
JOrE20
79
347ms
4 days ago
Repeating Decimals
JOrE20
241
391ms
4 days ago
DFA Simulator
JOrE20
243
364ms
4 days ago
24 Game
JOrE20
388
366ms
4 days ago
Sierpiński Triangle
JOrE20
92
357ms
4 days ago
Smith Numbers
JOrE20
147
412ms
4 days ago
Topological Sort
JOrE20
186
436ms
4 days ago
Lucky Numbers
JOrE20
108
347ms
4 days ago
Sudoku
JOrE20
738
502ms
4 days ago
Arrows
JOrE20
139
521ms
4 days ago
Happy Numbers (Long)
JOrE20
112
351ms
4 days ago
Ascending Primes
JOrE20
119
695ms
4 days ago
12 Days of Christmas
JOrE20
511
360ms
4 days ago
Pascal’s Triangle
JOrE20
93
354ms
4 days ago
Snake
JOrE20
281
368ms
4 days ago
Odious Numbers (Long)
JOrE20
63
338ms
4 days ago
Odious Numbers
JOrE20
62
335ms
4 days ago
Evil Numbers
JOrE20
61
342ms
4 days ago
Prime Numbers
JOrE20
76
343ms
4 days ago
Prime Numbers (Long)
JOrE20
77
387ms
4 days ago
Leap Years
albanian-laundromat
69
342ms
5 days ago
Fibonacci
kylejcwu
133
373ms
5 days ago
Star Wars Opening Crawl
ethanlally
💎
336
390ms
5 days ago
Billiards
Brain-Boy-53
573
375ms
5 days ago
Levenshtein Distance
JOrE20
223
419ms
5 days ago
Arabic to Roman
JOrE20
175
398ms
5 days ago