The
Snake
hole will go live in approximately
2 days
. 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
Snake
madex
363
15ms
17 hours ago
Pernicious Numbers
snoozingnewt
55
6ms
40 hours ago
Fibonacci
Brain-Boy-53
100
6ms
4 days ago
Fibonacci
bpharaldsson
105
6ms
10 days ago
Pernicious Numbers
albanian-laundromat
55
6ms
12 days ago
Fibonacci
christos-cantina-security
87
7ms
13 days ago
Zodiac Signs
edsrzf
💎
151
9ms
13 days ago
Ulam Sequence
edsrzf
💎
89
1,421ms
15 days ago
Ulam Sequence
albanian-laundromat
🥈
92
43ms
15 days ago
Tutorial
HumanoidCPU
74
12ms
15 days ago
Look and Say
edsrzf
💎
100
7ms
21 days ago
Tutorial
retrohun
120
8ms
21 days ago
Look and Say
koopa
🥈
103
8ms
22 days ago
Chess Move Validation
albanian-laundromat
🥈
165
11ms
23 days ago
Chess Move Validation
edsrzf
💎
134
11ms
24 days ago
Look and Say
AidanWalter
616
9ms
24 days ago
Tutorial
zzh1996
74
8ms
27 days ago
Musical Chords
albanian-laundromat
💎
222
10ms
27 days ago
Hilbert Curve
kasarino
910
9ms
29 Aug 2026
Billiards
albanian-laundromat
🥉
176
9ms
27 Aug 2026
Poker
albanian-laundromat
🥈
468
11ms
27 Aug 2026
π
JOrE20
43
17ms
26 Aug 2026
Thue–Morse Constant
HumanoidCPU
1,011
6ms
24 Aug 2026
Nim
albanian-laundromat
🥇
147
8ms
22 Aug 2026
Arithmetic Numbers
albanian-laundromat
87
1,913ms
22 Aug 2026
Tutorial
quasar098
188
10ms
20 Aug 2026
Jacobi Symbol
scpchicken
💎
184
11ms
20 Aug 2026
Jacobi Symbol
LostSyntax21
🥈
394
12ms
20 Aug 2026
Foo Fizz Buzz Bar
scpchicken
7,740
180ms
16 Aug 2026
12 Days of Christmas
scpchicken
3,949
9ms
16 Aug 2026
Gijswijt’s Sequence
scpchicken
144
255ms
14 Aug 2026
Catalan Numbers
edsrzf
💎
58
7ms
14 Aug 2026
Catalan Numbers
scpchicken
🥈
64
7ms
14 Aug 2026
Emirp Numbers (Long)
albanian-laundromat
💎
140
4,360ms
12 Aug 2026
Catalan Numbers
albanian-laundromat
76
7ms
12 Aug 2026
Continued Fractions
albanian-laundromat
153
7ms
12 Aug 2026
Fibonacci
albanian-laundromat
49
6ms
12 Aug 2026
Poker
LostSyntax21
💎
424
10ms
11 Aug 2026
Polyominoes
emgordon154
💎
957
104ms
11 Aug 2026
Repeating Decimals
albanian-laundromat
💎
295
7ms
10 Aug 2026
Poker
scpchicken
🥉
475
11ms
10 Aug 2026
Connect Four
albanian-laundromat
💎
279
250ms
10 Aug 2026
Mahjong
albanian-laundromat
💎
416
116ms
10 Aug 2026
Scrambled Sort
albanian-laundromat
🥈
285
29ms
10 Aug 2026
Star Wars GPT
albanian-laundromat
💎
363
24ms
10 Aug 2026
Christmas Trees
edsrzf
💎
72
6ms
9 Aug 2026
τ
dokutan
55
17ms
9 Aug 2026
π
dokutan
37
18ms
9 Aug 2026
ln 2
dokutan
52
17ms
9 Aug 2026
Transpose Sentence
emgordon154
🥉
125
25ms
9 Aug 2026
Pascal’s Triangle
emgordon154
🥇
65
6ms
9 Aug 2026
Van Eck Sequence
emgordon154
🥈
98
43ms
9 Aug 2026
ROT13
emgordon154
145
10ms
9 Aug 2026
ln 2
DialFrost
54
16ms
9 Aug 2026
τ
DialFrost
50
17ms
9 Aug 2026
𝑒
emgordon154
🥇
33
10ms
9 Aug 2026
√2
emgordon154
🥇
34
7ms
9 Aug 2026
φ
emgordon154
🥇
39
7ms
9 Aug 2026
π
emgordon154
🥇
29
18ms
9 Aug 2026
Zeckendorf Representation
emgordon154
🥉
139
11ms
9 Aug 2026
Diamonds
emgordon154
151
7ms
9 Aug 2026
Proximity Grid
albanian-laundromat
🥈
212
209ms
9 Aug 2026
Yellowstone Permutation
HumanoidCPU
6,020
59ms
9 Aug 2026
Trinomial Triangle
edsrzf
💎
98
7ms
9 Aug 2026
Mandelbrot
edsrzf
💎
119
675ms
9 Aug 2026
Kaprekar Numbers
edsrzf
💎
130
3,129ms
9 Aug 2026
λ
edsrzf
💎
186
43ms
9 Aug 2026
γ
edsrzf
💎
93
570ms
9 Aug 2026
Catalan’s Constant
edsrzf
💎
89
67ms
9 Aug 2026
Rule 110
edsrzf
💎
89
10ms
9 Aug 2026
√2
DialFrost
45
6ms
8 Aug 2026
𝑒
DialFrost
44
9ms
8 Aug 2026
π
DialFrost
40
17ms
8 Aug 2026
φ
edsrzf
🥇
39
6ms
8 Aug 2026
√2
edsrzf
🥇
34
7ms
8 Aug 2026
π
edsrzf
🥇
29
17ms
8 Aug 2026
𝑒
edsrzf
🥇
33
9ms
8 Aug 2026
√2
Steffan153
🥇
34
7ms
8 Aug 2026
𝑒
Steffan153
🥇
33
9ms
8 Aug 2026
φ
Steffan153
🥇
39
7ms
8 Aug 2026
π
Steffan153
🥇
29
18ms
8 Aug 2026
Gijswijt’s Sequence
edsrzf
🥈
120
7ms
8 Aug 2026
Reversi
albanian-laundromat
💎
189
88ms
8 Aug 2026
Connect Four
scpchicken
🥉
753
45ms
7 Aug 2026
𝑒
JOrE20
1,011
6ms
7 Aug 2026
λ
JOrE20
🥈
1,011
6ms
7 Aug 2026
Topological Sort
albanian-laundromat
💎
191
482ms
7 Aug 2026
Fibonacci
scpchicken
189
6ms
5 Aug 2026
Farey Sequence
scpchicken
284
9ms
5 Aug 2026
Factorial Factorisation
scpchicken
840
11ms
5 Aug 2026
Evil Numbers
scpchicken
327
6ms
5 Aug 2026
Evil Numbers (Long)
scpchicken
329
9ms
5 Aug 2026
Emirp Numbers (Long)
scpchicken
708
70ms
5 Aug 2026
Emirp Numbers
scpchicken
656
11ms
5 Aug 2026
Divisors
scpchicken
165
7ms
5 Aug 2026
Diamonds
scpchicken
675
7ms
5 Aug 2026
DFA Simulator
scpchicken
🥉
1,645
18ms
5 Aug 2026
Day of Week
scpchicken
🥉
1,118
16ms
5 Aug 2026
Cubes
scpchicken
🥉
968
8ms
5 Aug 2026
Continued Fractions
scpchicken
1,399
9ms
5 Aug 2026