The
Snake
hole will go live in approximately
30 hours
. Why not try and solve it ahead of time?
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brainfuck
Calendar
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Christmas Trees
Collatz
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Day of Week
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Diamonds
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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
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AWK
Bash
BASIC
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brainfuck
C
C#
C++
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Coconut
Common Lisp
Crystal
D
Dart
Elixir
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Factor
Forth
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Go
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Groovy
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iogii
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Janet
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jq
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K
Kotlin
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PowerShell
Prolog
Python
R
Raku
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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
albanian-laundromat
243
73ms
39 hours ago
Intersection
kg583
202
135ms
42 hours ago
Happy Numbers (Long)
Steffan153
🥉
132
6ms
46 hours ago
Pernicious Numbers
snoozingnewt
115
3ms
2 days ago
Fibonacci
Brain-Boy-53
111
3ms
6 days ago
Tower of Hanoi
albanian-laundromat
🥇
80
3ms
6 days ago
Fibonacci
albanian-laundromat
68
139ms
8 days ago
Evil Numbers (Long)
albanian-laundromat
86
143ms
8 days ago
𝑒
Steffan153
💎
145
672ms
9 days ago
Alphabetic Numbers
edsrzf
💎
216
59ms
10 days ago
Forsyth–Edwards Notation
albanian-laundromat
🥉
194
74ms
10 days ago
Kolakoski Sequence
albanian-laundromat
🥉
113
54ms
10 days ago
Fibonacci
bpharaldsson
83
3ms
11 days ago
Prime Numbers (Long)
albanian-laundromat
77
158ms
11 days ago
Pernicious Numbers
albanian-laundromat
83
142ms
11 days ago
Game of Life
edsrzf
🥇
153
63ms
12 days ago
Tutorial
zzh1996
72
3ms
12 days ago
Game of Life
Steffan153
🥇
153
60ms
12 days ago
Ulam Sequence
albanian-laundromat
🥈
145
831ms
13 days ago
Fibonacci
christos-cantina-security
173
3ms
14 days ago
12 Days of Christmas
kg583
🥈
505
27ms
14 days ago
Nim
albanian-laundromat
177
143ms
15 days ago
Tutorial
HumanoidCPU
72
4ms
16 days ago
Set
emgordon154
🥇
157
435ms
16 days ago
Happy Numbers
albanian-laundromat
88
148ms
17 days ago
Collatz
albanian-laundromat
109
12ms
17 days ago
Reversi
albanian-laundromat
💎
246
83ms
17 days ago
Taxicab Numbers
emgordon154
170
194ms
17 days ago
Divisors
albanian-laundromat
99
55ms
18 days ago
Sudoku (Fill-in)
albanian-laundromat
💎
370
141ms
18 days ago
Connect Four
albanian-laundromat
🥈
360
417ms
18 days ago
Day of Week
albanian-laundromat
🥇
131
156ms
18 days ago
CSS Colors
albanian-laundromat
🥇
68
153ms
18 days ago
Niven Numbers (Long)
emgordon154
🥇
94
68ms
18 days ago
N Queens
emgordon154
🥉
179
481ms
18 days ago
DFA Simulator
emgordon154
🥉
276
74ms
19 days ago
Rock-paper-scissors-Spock-lizard
emgordon154
💎
299
76ms
19 days ago
Pangram Grep
emgordon154
🥇
134
88ms
20 days ago
Nim
emgordon154
185
147ms
20 days ago
Hexdump
emgordon154
🥉
252
71ms
20 days ago
Lucky Tickets
emgordon154
249
139ms
20 days ago
Trinomial Triangle
kg583
137
55ms
21 days ago
Trinomial Triangle
emgordon154
145
55ms
21 days ago
Topological Sort
albanian-laundromat
💎
205
452ms
21 days ago
𝑒
emgordon154
218
4,438ms
21 days ago
Hexdump
kg583
🥈
246
69ms
21 days ago
Ordinal Numbers
emgordon154
137
144ms
22 days ago
Ulam Sequence
emgordon154
💎
141
636ms
22 days ago
𝑒
albanian-laundromat
🥈
146
384ms
22 days ago
ASCII Table
emgordon154
194
4ms
22 days ago
Maze
emgordon154
🥉
173
638ms
22 days ago
Number Spiral
emgordon154
167
53ms
22 days ago
Gray Code Encoder
emgordon154
115
145ms
22 days ago
ISBN
emgordon154
169
142ms
22 days ago
Tongue-twisters
emgordon154
🥈
357
146ms
22 days ago
Tutorial
retrohun
115
55ms
23 days ago
Look and Say
emgordon154
199
52ms
23 days ago
CSS Colors
emgordon154
🥇
68
143ms
23 days ago
Zodiac Signs
emgordon154
🥉
240
73ms
23 days ago
Medal Tally
kg583
🥈
215
146ms
23 days ago
Lucky Numbers
kg583
🥈
118
143ms
23 days ago
Inventory Sequence
kg583
🥇
102
2,797ms
24 days ago
Inventory Sequence
emgordon154
123
58ms
24 days ago
Pascal’s Triangle
emgordon154
112
53ms
24 days ago
Look and Say
kg583
💎
141
55ms
24 days ago
Diamonds
emgordon154
176
67ms
24 days ago
Abundant Numbers
emgordon154
🥇
83
54ms
24 days ago
Abundant Numbers (Long)
emgordon154
🥇
83
79ms
24 days ago
Fizz Buzz
emgordon154
🥇
91
3ms
24 days ago
Evil Numbers
emgordon154
🥇
73
3ms
24 days ago
Number Spiral
edsrzf
🥇
154
52ms
24 days ago
Number Spiral
Steffan153
🥇
154
53ms
24 days ago
Chess Move Validation
emgordon154
🥈
219
154ms
25 days ago
Leyland Numbers
emgordon154
131
54ms
25 days ago
Day of Week
emgordon154
145
146ms
25 days ago
Levenshtein Distance
emgordon154
107
141ms
25 days ago
Tower of Hanoi
kg583
🥇
80
3ms
25 days ago
Odious Numbers
emgordon154
🥉
72
3ms
25 days ago
Van Eck Sequence
emgordon154
117
125ms
25 days ago
Niven Numbers
emgordon154
82
3ms
25 days ago
Tower of Hanoi
emgordon154
🥇
80
4ms
25 days ago
Van Eck Sequence
Steffan153
🥇
83
67ms
25 days ago
Foo Fizz Buzz Bar
emgordon154
🥇
119
4ms
25 days ago
99 Bottles of Beer
emgordon154
🥈
260
4ms
25 days ago
Mandelbrot
emgordon154
💎
189
1,212ms
25 days ago
Recamán
kg583
🥈
117
11ms
25 days ago
Van Eck Sequence
kg583
🥇
83
68ms
25 days ago
Farey Sequence
emgordon154
108
4ms
25 days ago
Transpose Sentence
emgordon154
🥉
171
91ms
25 days ago
Prime Numbers
ovs-code
🥇
59
54ms
25 days ago
Prime Numbers (Long)
ovs-code
🥇
60
64ms
25 days ago
Arithmetic Numbers
ovs-code
98
2,327ms
25 days ago
Divisors
ovs-code
🥇
78
52ms
25 days ago
Fibonacci
emgordon154
54
52ms
25 days ago
Billiards
emgordon154
💎
239
143ms
25 days ago
Fractions
emgordon154
🥇
139
134ms
25 days ago
Vampire Numbers
albanian-laundromat
🥉
251
1,886ms
25 days ago
Morse Decoder
albanian-laundromat
💎
249
69ms
25 days ago
Kolakoski Sequence
emgordon154
117
134ms
25 days ago
Gijswijt’s Sequence
emgordon154
🥉
142
54ms
26 days ago