The
Snake
hole will go live in approximately
3 days
. Why not try and solve it ahead of time?
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brainfuck
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Collatz
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Day of Week
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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
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Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
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Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
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ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Minesweeper
Morse Decoder
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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
24 Game
rucin93
💎
238
1,171ms
10 hours ago
Fizz Buzz
balloffur
75
2ms
17 hours ago
𝑒
JOrE20
1,019
2ms
17 hours ago
𝑒
balloffur
111
5ms
17 hours ago
brainfuck
Mandrzejy
179
2ms
17 hours ago
Rijndael S-box
HumanoidCPU
219
2ms
18 hours ago
Sierpiński Triangle
MostParsingVex
85
2ms
25 hours ago
Abundant Numbers
Edjyzod
144
2ms
39 hours ago
Leap Years
albanian-laundromat
62
2ms
2 days ago
Snake
madex
175
6ms
2 days ago
Prime Numbers
Europe2048
59
2ms
2 days ago
Musical Chords
HumanoidCPU
844
2ms
2 days ago
Ordinal Numbers
HumanoidCPU
135
2ms
2 days ago
Cubes
MostParsingVex
280
2ms
2 days ago
brainfuck
madex
146
2ms
3 days ago
Forsyth–Edwards Notation
madex
152
2ms
3 days ago
Thue–Morse Constant
saito-ta
100
16ms
3 days ago
Fizz Buzz
starxingchenc
75
2ms
3 days ago
Odious Numbers
starxingchenc
62
2ms
3 days ago
Evil Numbers
starxingchenc
62
2ms
3 days ago
Odious Numbers (Long)
starxingchenc
77
2ms
3 days ago
Evil Numbers (Long)
starxingchenc
76
2ms
3 days ago
Fibonacci
starxingchenc
48
2ms
3 days ago
Foo Fizz Buzz Bar
MostParsingVex
118
3ms
3 days ago
Quine
zzh1996
44
2ms
4 days ago
Tower of Hanoi
albanian-laundromat
67
2ms
5 days ago
Chess Move Validation
MostParsingVex
126
3ms
6 days ago
Christmas Trees
MostParsingVex
90
2ms
6 days ago
Multitap Input
HumanoidCPU
492
3ms
7 days ago
brainfuck
HumanoidCPU
229
2ms
7 days ago
12 Days of Christmas
zzh1996
💎
142
48ms
7 days ago
Repeating Decimals
MostParsingVex
278
2ms
7 days ago
Forsyth–Edwards Notation
KasperKivimaeki
💎
106
2ms
8 days ago
Proximity Grid
MostParsingVex
160
4ms
8 days ago
Billiards
MostParsingVex
170
3ms
8 days ago
Fibonacci
bpharaldsson
59
2ms
8 days ago
Tower of Hanoi
JOrE20
66
2ms
8 days ago
Diamonds
W4ffl3s-a11y
238
2ms
8 days ago
Leap Years
W4ffl3s-a11y
113
2ms
8 days ago
Prime Numbers (Long)
JOrE20
61
42ms
8 days ago
Prime Numbers
JOrE20
60
2ms
8 days ago
Quine
Sleepingzzz2148
103
2ms
8 days ago
Hexdump
MostParsingVex
193
3ms
8 days ago
99 Bottles of Beer
Lv0Sys
293
2ms
8 days ago
Tutorial
Nico-Posada
276
2ms
9 days ago
Tic-tac-toe
s0ra52
259
3ms
9 days ago
Arabic to Roman
W4ffl3s-a11y
422
11ms
9 days ago
Tutorial
s0ra52
113
2ms
9 days ago
Connect Four
s0ra52
329
3ms
9 days ago
Fizz Buzz
W4ffl3s-a11y
134
2ms
9 days ago
Leap Years
s0ra52
81
2ms
9 days ago
Tic-tac-toe
W4ffl3s-a11y
1,082
3ms
9 days ago
Tutorial
zzh1996
53
2ms
9 days ago
DFA Simulator
MostParsingVex
185
2ms
10 days ago
Gijswijt’s Sequence
madex
119
5ms
10 days ago
Thue–Morse Constant
KasperKivimaeki
127
12ms
10 days ago
Tutorial
lynn
59
2ms
10 days ago
Vampire Numbers
Lv0Sys
181
18ms
10 days ago
Tutorial
KasperKivimaeki
59
2ms
10 days ago
Fizz Buzz
Europe2048
81
1ms
10 days ago
Tutorial
JOrE20
59
2ms
10 days ago
Spelling Numbers
HumanoidCPU
488
4ms
10 days ago
Vampire Numbers
HumanoidCPU
332
2,530ms
10 days ago
Semiprime Numbers
HumanoidCPU
272
1,656ms
10 days ago
Happy Numbers (Long)
HumanoidCPU
185
2ms
10 days ago
Emirp Numbers
HumanoidCPU
139
2ms
10 days ago
Emirp Numbers (Long)
HumanoidCPU
139
85ms
10 days ago
Ascending Primes
HumanoidCPU
132
1,061ms
10 days ago
CSS Colors
HumanoidCPU
4,349
2ms
10 days ago
Pangram Grep
HumanoidCPU
100
2ms
10 days ago
Gray Code Encoder
HumanoidCPU
105
14ms
10 days ago
Foo Fizz Buzz Bar
HumanoidCPU
121
3ms
10 days ago
Card Number Validation
HumanoidCPU
129
2ms
10 days ago
Divisors
HumanoidCPU
69
2ms
10 days ago
Niven Numbers
HumanoidCPU
77
2ms
10 days ago
Niven Numbers (Long)
HumanoidCPU
82
2ms
10 days ago
Leap Years
HumanoidCPU
61
2ms
10 days ago
Emojify
HumanoidCPU
436
2ms
10 days ago
Arithmetic Numbers
HumanoidCPU
91
67ms
10 days ago
Hexdump
HumanoidCPU
255
3ms
10 days ago
Smith Numbers
HumanoidCPU
225
715ms
10 days ago
Prime Numbers (Long)
HumanoidCPU
75
65ms
10 days ago
Prime Numbers
HumanoidCPU
74
2ms
10 days ago
Pernicious Numbers (Long)
HumanoidCPU
112
4ms
10 days ago
Pernicious Numbers
HumanoidCPU
82
2ms
10 days ago
Abundant Numbers (Long)
HumanoidCPU
77
2ms
10 days ago
Abundant Numbers
HumanoidCPU
77
1ms
10 days ago
Ulam Sequence
HumanoidCPU
181
48ms
10 days ago
Evil Numbers
HumanoidCPU
94
2ms
11 days ago
12 Days of Christmas
HumanoidCPU
524
2ms
11 days ago
Evil Numbers (Long)
HumanoidCPU
96
2ms
11 days ago
Factorial Factorisation
tsschepens
126
2ms
11 days ago
Alphabetic Numbers
tsschepens
850
3ms
11 days ago
Pernicious Numbers
albanian-laundromat
🥇
48
2ms
11 days ago
Quine
HumanoidCPU
74
2ms
11 days ago
Odious Numbers (Long)
HumanoidCPU
93
2ms
11 days ago
ROT13
HumanoidCPU
134
2ms
11 days ago
Tongue-twisters
HumanoidCPU
533
2ms
11 days ago
Catalan’s Constant
HumanoidCPU
1,019
2ms
11 days ago
Taxicab Numbers
HumanoidCPU
550
7ms
11 days ago