The
Snake
hole will go live in approximately
22 hours
. Why not try and solve it ahead of time?
Recent Solutions
Achievements
Cheevos
Golfers
Solutions
All Holes
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
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
All Languages
><>
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
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
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
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
Bytes
Time
Submitted
Levenshtein Distance
JOrE20
🥇
72
1,314ms
15 hours ago
brainfuck
anter69
265
1,317ms
39 hours ago
Leap Years
albanian-laundromat
35
1,233ms
2 days ago
Sudoku
pardouin
324
2,205ms
2 days ago
Sudoku (Fill-in)
pardouin
155
3,934ms
2 days ago
Maze
pardouin
102
1,928ms
2 days ago
Snake
pardouin
114
1,631ms
2 days ago
Hexagonal Spiral
bitsandbeyond
146
1,434ms
3 days ago
Snake
madex
130
1,692ms
4 days ago
Day of Week
emgordon154
🥇
49
2,328ms
5 days ago
Snake
emgordon154
133
1,437ms
5 days ago
Fizz Buzz
albanian-laundromat
63
1,418ms
5 days ago
Cubes
emgordon154
235
1,919ms
7 days ago
Lucky Tickets
emgordon154
131
1,727ms
7 days ago
Pangram Grep
Nico-Posada
🥇
49
2,256ms
8 days ago
Alphabetic Numbers
edsrzf
🥈
125
1,414ms
10 days ago
Kaprekar Numbers
error256
62
4,517ms
10 days ago
Catalan Numbers
error256
🥇
54
1,593ms
10 days ago
Alphabetic Numbers
Steffan153
💎
123
1,451ms
10 days ago
Gray Code Encoder
albanian-laundromat
41
1,790ms
10 days ago
Christmas Trees
emgordon154
🥇
57
1,659ms
12 days ago
Niven Numbers
albanian-laundromat
🥇
33
1,398ms
12 days ago
Pernicious Numbers
albanian-laundromat
🥇
26
1,445ms
12 days ago
Diamonds
emgordon154
75
1,645ms
12 days ago
Gijswijt’s Sequence
madex
68
1,775ms
13 days ago
Gijswijt’s Sequence
BREMAUCY
2,006
1,453ms
13 days ago
Diamonds
christos-cantina-security
1,114
1,370ms
14 days ago
Fibonacci
christos-cantina-security
🥇
23
1,256ms
15 days ago
Gijswijt’s Sequence
error256
61
3,770ms
15 days ago
Pernicious Numbers
CornerMercury
32
1,306ms
15 days ago
Gijswijt’s Sequence
Natanaelel
104
1,601ms
15 days ago
Gijswijt’s Sequence
aksyristos
553
1,494ms
15 days ago
Gijswijt’s Sequence
bitsandbeyond
101
1,346ms
15 days ago
Gijswijt’s Sequence
JOrE20
2,006
1,331ms
15 days ago
Repeating Decimals
anter69
136
1,575ms
15 days ago
Gijswijt’s Sequence
retrohun
2,006
1,339ms
15 days ago
Gijswijt’s Sequence
jared-hughes
140
3,239ms
16 days ago
Collatz
Steffan153
🥇
51
1,408ms
19 days ago
Collatz
error256
🥇
51
1,632ms
19 days ago
Levenshtein Distance
albanian-laundromat
76
1,607ms
19 days ago
Binary Lambda Calculus
bitsandbeyond
246
1,664ms
22 days ago
Morse Decoder
bitsandbeyond
142
2,043ms
22 days ago
Look and Say
bitsandbeyond
61
1,420ms
23 days ago
Chess Move Validation
Steffan153
🥇
80
1,823ms
24 days ago
Look and Say
jipsong
🥇
55
1,747ms
25 days ago
Chess Move Validation
pardouin
92
1,686ms
26 days ago
Maze
madex
134
2,087ms
26 days ago
Chess Move Validation
edsrzf
🥇
80
1,584ms
26 days ago
ASCII Table
Nico-Posada
102
1,830ms
27 days ago
Tutorial
zzh1996
43
2,191ms
27 days ago
Nim
error256
💎
83
1,718ms
1 Sep 2026
Chess Move Validation
zzh1996
🥉
86
1,828ms
28 Aug 2026
Zeckendorf Representation
error256
💎
86
1,797ms
27 Aug 2026
Thue–Morse Constant
HumanoidCPU
1,009
1,252ms
24 Aug 2026
Pascal’s Triangle
Steffan153
55
1,476ms
23 Aug 2026
Multitap Input
anter69
93
1,530ms
23 Aug 2026
ISBN
edsrzf
🥈
66
1,570ms
23 Aug 2026
Pascal’s Triangle
error256
55
1,677ms
23 Aug 2026
Musical Chords
edsrzf
🥉
88
1,443ms
22 Aug 2026
λ
anter69
🥉
225
1,890ms
21 Aug 2026
Pangram Grep
anter69
52
1,615ms
21 Aug 2026
Lucky Numbers
anter69
65
1,630ms
21 Aug 2026
Tutorial
quasar098
135
2,111ms
20 Aug 2026
Quine
LostSyntax21
42
1,975ms
20 Aug 2026
ROT13
anter69
63
1,835ms
20 Aug 2026
ln 2
anter69
71
1,767ms
20 Aug 2026
φ
anter69
71
1,710ms
20 Aug 2026
γ
anter69
601
1,515ms
20 Aug 2026
Cubes
bitsandbeyond
💎
146
1,295ms
20 Aug 2026
Flags
bitsandbeyond
659
1,810ms
20 Aug 2026
24 Game
anter69
🥈
442
1,573ms
19 Aug 2026
Ulam Sequence
emgordon154
60
1,889ms
19 Aug 2026
Foo Fizz Buzz Bar
HumanoidCPU
104
1,449ms
18 Aug 2026
Fizz Buzz
HumanoidCPU
65
1,427ms
18 Aug 2026
Card Number Validation
anter69
70
1,452ms
18 Aug 2026
Chess Move Validation
anter69
104
1,928ms
18 Aug 2026
Taxicab Numbers
pardouin
76
1,571ms
16 Aug 2026
Foo Fizz Buzz Bar
scpchicken
5,737
1,470ms
16 Aug 2026
Gijswijt’s Sequence
scpchicken
2,018
1,470ms
16 Aug 2026
Lyndon Factorization
madex
60
1,545ms
15 Aug 2026
Emojify
Steffan153
🥇
96
1,946ms
15 Aug 2026
Catalan Numbers
scpchicken
🥇
54
1,484ms
13 Aug 2026
Tongue-twisters
zzh1996
300
1,449ms
13 Aug 2026
Seven Segment
bitsandbeyond
🥇
86
1,703ms
13 Aug 2026
Factorial Factorisation
scpchicken
490
1,467ms
10 Aug 2026
Evil Numbers (Long)
scpchicken
204
1,495ms
10 Aug 2026
Emojify
scpchicken
511
1,804ms
10 Aug 2026
Emirp Numbers (Long)
scpchicken
567
1,441ms
10 Aug 2026
Emirp Numbers
scpchicken
510
1,480ms
10 Aug 2026
Divisors
scpchicken
92
1,457ms
10 Aug 2026
Diamonds
scpchicken
403
1,485ms
10 Aug 2026
DFA Simulator
scpchicken
418
1,521ms
10 Aug 2026
CSS Colors
scpchicken
3,976
1,467ms
8 Aug 2026
Farey Sequence
scpchicken
169
1,475ms
8 Aug 2026
Cubes
scpchicken
653
1,405ms
8 Aug 2026
Yellowstone Permutation
HumanoidCPU
4,017
1,438ms
8 Aug 2026
Niven Numbers
scpchicken
36
1,411ms
7 Aug 2026
Continued Fractions
scpchicken
503
1,436ms
7 Aug 2026
Connect Four
scpchicken
552
1,493ms
7 Aug 2026
Tower of Hanoi
Steffan153
🥉
49
1,423ms
7 Aug 2026