The
Snake
hole will go live in approximately
3 days
. Why not try and solve it ahead of time?
Recent Solutions
Achievements
Cheevos
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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
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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
Bytes
Time
Submitted
Hexagonal Spiral
ovs-code
144
405ms
4 hours ago
Hexagonal Spiral
bitsandbeyond
144
430ms
5 hours ago
Alphabetic Numbers
m-tkach
🥈
124
386ms
6 hours ago
Snake
AlephSquirrel
173
459ms
11 hours ago
Snake
pardouin
142
431ms
11 hours ago
Polyominoes
Steffan153
💎
118
606ms
12 hours ago
Snake
CornerMercury
149
400ms
12 hours ago
Snake
HumanoidCPU
267
534ms
13 hours ago
Snake
JOrE20
166
411ms
17 hours ago
Snake
GolfingSuccess
144
393ms
20 hours ago
Langton’s Ant
ovs-code
151
1,099ms
28 hours ago
Snake
ovs-code
130
377ms
29 hours ago
Snake
Steffan153
130
410ms
30 hours ago
Abundant Numbers
Edjyzod
79
393ms
37 hours ago
Day of Week
JOrE20
84
442ms
39 hours ago
Prime Numbers (Long)
JOrE20
44
531ms
40 hours ago
Prime Numbers
JOrE20
39
335ms
40 hours ago
Prime Numbers
Europe2048
40
357ms
40 hours ago
Chess Move Validation
snoozingnewt
188
550ms
2 days ago
Jacobi Symbol
Steffan153
🥉
116
396ms
2 days ago
PalindromemordnilaP
JOrE20
76
437ms
2 days ago
Divisors
JOrE20
50
366ms
2 days ago
ln 2
JOrE20
🥇
52
356ms
2 days ago
√2
JOrE20
🥇
48
353ms
2 days ago
𝑒
JOrE20
🥇
47
363ms
2 days ago
𝑒
HumanoidCPU
65
390ms
2 days ago
Catalan Numbers
Europe2048
42
332ms
4 days ago
Tower of Hanoi
albanian-laundromat
57
396ms
5 days ago
Kolakoski Sequence
Europe2048
61
407ms
5 days ago
Fizz Buzz
albanian-laundromat
🥇
57
370ms
6 days ago
Fibonacci
JOrE20
36
337ms
6 days ago
Foo Fizz Buzz Bar
albanian-laundromat
🥇
81
369ms
6 days ago
Jacobi Symbol
AlephSquirrel
119
399ms
6 days ago
Abundant Numbers (Long)
Europe2048
65
399ms
6 days ago
Abundant Numbers
Europe2048
64
371ms
6 days ago
Fibonacci
albanian-laundromat
36
349ms
6 days ago
Abundant Numbers
JOrE20
62
379ms
6 days ago
Reversi
CornerMercury
122
455ms
7 days ago
Day of Week
albanian-laundromat
82
481ms
7 days ago
Quine
JOrE20
🥈
31
355ms
7 days ago
Fractions
JOrE20
73
357ms
7 days ago
Tower of Hanoi
JOrE20
55
388ms
8 days ago
Fractions
Europe2048
73
364ms
9 days ago
π
ovs-code
64
425ms
9 days ago
Game of Life
Steffan153
🥈
93
438ms
9 days ago
Multitap Input
HumanoidCPU
267
564ms
9 days ago
Zodiac Signs
HumanoidCPU
183
506ms
9 days ago
Nim
HumanoidCPU
353
740ms
10 days ago
λ
JayXon
🥇
151
1,513ms
10 days ago
Ascending Primes
kg583
🥈
64
1,290ms
11 days ago
Fibonacci
christos-cantina-security
172
398ms
11 days ago
Thue–Morse Constant
JOrE20
61
431ms
11 days ago
Pernicious Numbers
albanian-laundromat
39
397ms
11 days ago
Cubes
bitsandbeyond
150
457ms
12 days ago
Sudoku (Fill-in)
kg583
181
634ms
13 days ago
Arithmetic Numbers
JOrE20
77
2,670ms
13 days ago
τ
JOrE20
67
449ms
13 days ago
Fizz Buzz
CornerMercury
🥇
57
396ms
14 days ago
Pernicious Numbers
CornerMercury
🥇
38
381ms
14 days ago
Continued Fractions
HumanoidCPU
130
432ms
15 days ago
SI Units
Steffan153
💎
360
669ms
15 days ago
Sudoku
bitsandbeyond
🥉
308
742ms
15 days ago
Binary Lambda Calculus
bitsandbeyond
256
509ms
19 days ago
Polyominoes
HumanoidCPU
299
634ms
19 days ago
Mahjong
HumanoidCPU
447
661ms
20 days ago
Leap Years
JOrE20
47
399ms
21 days ago
Alphabetic Numbers
JOrE20
161
477ms
21 days ago
Seven Segment
bitsandbeyond
102
420ms
21 days ago
Star Wars Opening Crawl
HumanoidCPU
316
551ms
21 days ago
Chess Move Validation
Steffan153
🥇
95
465ms
22 days ago
Chess Move Validation
KatieLG
144
589ms
22 days ago
Chess Move Validation
JOrE20
115
557ms
22 days ago
Poker
HumanoidCPU
427
1,030ms
22 days ago
99 Bottles of Beer
GolfingSuccess
218
400ms
22 days ago
Ten-pin Bowling
HumanoidCPU
276
535ms
23 days ago
Chess Move Validation
pardouin
109
446ms
23 days ago
Polyominoes
MostParsingVex
243
688ms
23 days ago
12 Days of Christmas
Europe2048
460
440ms
23 days ago
Chess Move Validation
AlephSquirrel
119
595ms
24 days ago
Smooth Numbers
kg583
77
514ms
24 days ago
Arrows
JOrE20
103
558ms
24 days ago
Chess Move Validation
duckyluuk
114
533ms
24 days ago
Chess Move Validation
HumanoidCPU
167
512ms
24 days ago
Ellipse Perimeters
JOrE20
83
402ms
25 days ago
Musical Chords
HumanoidCPU
248
526ms
25 days ago
Scrambled Sort
HumanoidCPU
116
386ms
25 days ago
Connect Four
HumanoidCPU
539
1,006ms
25 days ago
Chess Move Validation
bizy-coder
🥇
95
484ms
26 days ago
Tutorial
zzh1996
53
507ms
26 days ago
United States
namelessiw
120
554ms
26 days ago
Pascal’s Triangle
Europe2048
58
324ms
26 days ago
Nim
m-tkach
93
429ms
26 days ago
Chess Move Validation
ovs-code
112
475ms
26 days ago
QR Decoder
HumanoidCPU
222
519ms
26 days ago
Chess Move Validation
dokutan
134
567ms
27 days ago
Chess Move Validation
emgordon154
112
552ms
27 days ago
Musical Chords
JOrE20
149
630ms
29 Aug 2026
Chess Move Validation
zzh1996
🥉
103
469ms
29 Aug 2026
CSS Grid
GolfingSuccess
171
537ms
28 Aug 2026
Lucky Tickets
JOrE20
93
460ms
27 Aug 2026