The
Snake
hole will go live in approximately
44 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
Chars
Time
Submitted
Snake
madex
279
69ms
30 hours ago
Pernicious Numbers
snoozingnewt
44
61ms
2 days ago
Fizz Buzz
AlephSquirrel
119
62ms
2 days ago
Game of Life
ovs-code
145
59ms
6 days ago
Quine
zzh1996
26
62ms
6 days ago
Kolakoski Sequence
error256
🥉
71
63ms
9 days ago
Tutorial
zzh1996
66
85ms
12 days ago
Arabic to Roman
JOrE20
63
212ms
13 days ago
Roman to Arabic
JOrE20
🥇
45
230ms
13 days ago
Pernicious Numbers
albanian-laundromat
53
60ms
13 days ago
Arabic to Roman
albanian-laundromat
🥇
53
228ms
13 days ago
Factorial Factorisation
christos-cantina-security
870
58ms
13 days ago
Cubes
christos-cantina-security
🥉
293
62ms
13 days ago
Fibonacci
christos-cantina-security
🥇
26
59ms
14 days ago
Gray Code Encoder
albanian-laundromat
🥇
54
72ms
18 days ago
Prime Numbers (Long)
albanian-laundromat
🥇
19
59ms
18 days ago
Prime Numbers
albanian-laundromat
🥇
17
62ms
18 days ago
CSS Colors
Lv0Sys
66
60ms
19 days ago
Nim
error256
💎
94
64ms
26 days ago
Chess Move Validation
zzh1996
🦄
156
78ms
29 Aug 2026
Thue–Morse Constant
HumanoidCPU
1,010
66ms
24 Aug 2026
Pascal’s Triangle
error256
🥈
61
65ms
23 Aug 2026
Tutorial
quasar098
124
86ms
20 Aug 2026
Emojify
scpchicken
633
116ms
20 Aug 2026
DFA Simulator
scpchicken
1,035
195ms
20 Aug 2026
Day of Week
scpchicken
1,541
229ms
20 Aug 2026
CSS Colors
scpchicken
3,055
150ms
20 Aug 2026
Continued Fractions
scpchicken
🥈
1,453
198ms
20 Aug 2026
Connect Four
scpchicken
🥈
1,420
148ms
20 Aug 2026
Quine
JOrE20
26
67ms
19 Aug 2026
Tutorial
JOrE20
66
96ms
19 Aug 2026
Prime Numbers (Long)
JOrE20
🥇
19
66ms
19 Aug 2026
Prime Numbers
JOrE20
🥇
17
63ms
19 Aug 2026
Billiards
scpchicken
1,395
191ms
16 Aug 2026
Calendar
scpchicken
🥈
1,980
201ms
16 Aug 2026
brainfuck
scpchicken
2,421
131ms
16 Aug 2026
Card Number Validation
scpchicken
418
119ms
16 Aug 2026
Arrows
scpchicken
1,305
100ms
16 Aug 2026
Foo Fizz Buzz Bar
scpchicken
6,725
65ms
16 Aug 2026
Evil Numbers (Long)
scpchicken
2,457
65ms
16 Aug 2026
Evil Numbers
scpchicken
101
65ms
16 Aug 2026
Fibonacci
scpchicken
171
67ms
16 Aug 2026
Farey Sequence
scpchicken
5,135
66ms
16 Aug 2026
Emirp Numbers (Long)
scpchicken
1,402
66ms
16 Aug 2026
Emirp Numbers
scpchicken
178
66ms
16 Aug 2026
Divisors
scpchicken
1,272
66ms
16 Aug 2026
Diamonds
scpchicken
1,198
65ms
16 Aug 2026
Collatz
scpchicken
4,232
67ms
16 Aug 2026
Christmas Trees
scpchicken
606
69ms
16 Aug 2026
Cubes
scpchicken
2,944
64ms
16 Aug 2026
Alphabetic Numbers
scpchicken
4,902
70ms
16 Aug 2026
Gijswijt’s Sequence
scpchicken
3,006
66ms
16 Aug 2026
Catalan’s Constant
scpchicken
1,010
66ms
16 Aug 2026
Catalan Numbers
scpchicken
2,978
66ms
16 Aug 2026
ASCII Table
scpchicken
298
65ms
16 Aug 2026
Ascending Primes
scpchicken
618
63ms
16 Aug 2026
Arithmetic Numbers
scpchicken
45,336
70ms
16 Aug 2026
Abundant Numbers (Long)
scpchicken
1,216
64ms
16 Aug 2026
Abundant Numbers
scpchicken
215
66ms
16 Aug 2026
99 Bottles of Beer
scpchicken
12,190
68ms
16 Aug 2026
24 Game
scpchicken
13,800
69ms
16 Aug 2026
12 Days of Christmas
scpchicken
2,380
69ms
15 Aug 2026
Ulam Sequence
dokutan
379
860ms
14 Aug 2026
Yellowstone Permutation
HumanoidCPU
4,018
60ms
8 Aug 2026
Arabic to Roman
scpchicken
🥇
53
222ms
7 Aug 2026
Roman to Arabic
scpchicken
🥇
45
230ms
7 Aug 2026
Quine
Europe2048
33
63ms
7 Aug 2026
Ulam Sequence
ovs-code
💎
84
139ms
2 Aug 2026
λ
ovs-code
🥈
197
4,320ms
2 Aug 2026
Ulam Sequence
error256
🥈
89
813ms
2 Aug 2026
Ulam Sequence
madex
🥉
166
81ms
1 Aug 2026
Taxicab Numbers
error256
💎
104
263ms
29 Jul 2026
Taxicab Numbers
scpchicken
🥈
587
103ms
19 Jul 2026
Factorial Factorisation
Europe2048
869
60ms
18 Jul 2026
Levenshtein Distance
fuzzylojik-golf
🥇
59
238ms
14 Jul 2026
Connect Four
ovs-code
💎
456
151ms
11 Jul 2026
π
vhoulbreque
1,010
64ms
5 Jul 2026
Divisors
retrohun
1,173
62ms
28 Jun 2026
γ
retrohun
1,010
59ms
23 Jun 2026
τ
retrohun
1,010
61ms
23 Jun 2026
Quine
CaedenHarper
33
67ms
15 Jun 2026
Smith Numbers
Orsailius
151
282ms
9 Jun 2026
Tutorial
LaconicLuna
124
98ms
9 Jun 2026
Factorial Factorisation
h3ra993huskp
869
66ms
8 Jun 2026
Divisors
Orsailius
83
243ms
5 Jun 2026
Prime Numbers (Long)
Orsailius
23
63ms
4 Jun 2026
Prime Numbers
Orsailius
21
60ms
4 Jun 2026
CSS Colors
Orsailius
65
59ms
4 Jun 2026
Factorial Factorisation
Haksell
869
64ms
1 Jun 2026
ln 2
retrohun
1,010
62ms
31 May 2026
Abundant Numbers
retrohun
170
65ms
31 May 2026
Abundant Numbers (Long)
retrohun
971
65ms
31 May 2026
99 Bottles of Beer
retrohun
11,892
64ms
31 May 2026
12 Days of Christmas
retrohun
2,376
65ms
31 May 2026
γ
Haksell
1,010
67ms
31 May 2026
Alphabetic Numbers
error256
💎
300
302ms
30 May 2026
Alphabetic Numbers
CaedenHarper
3,902
60ms
21 May 2026
Factorial Factorisation
Natanaelel
116
672ms
20 May 2026
Reverse Polish Notation
oaiqjuy
145
62ms
19 May 2026
Star Wars GPT
oaiqjuy
254
77ms
19 May 2026