The
Snake
hole will go live in approximately
2 days
. Why not try and solve it ahead of time?
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Odious Numbers (Long)
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PalindromemordnilaP
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Pernicious Numbers (Long)
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Rule 110
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Set
Seven Segment
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Time Distance
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Topological Sort
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United States
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Van Eck Sequence
Zeckendorf Representation
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φ
√2
𝑒
Apéry’s Constant
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Crossword
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Floyd-Steinberg Dithering
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Highly Composite Numbers
Huffman Encoder
Langton’s Ant
Lyndon Factorization
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Numbrix
Odd Polyomino Tiling
p-adic Expansion
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D
Dart
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iogii
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Janet
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jq
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Raku
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sed
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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
440
23ms
64 mins ago
Snake
madex
749
18ms
21 hours ago
Calendar
albanian-laundromat
💎
553
11ms
6 days ago
Star Wars Opening Crawl
christos-cantina-security
7,477
9ms
13 days ago
Fibonacci
christos-cantina-security
386
7ms
13 days ago
Tutorial
HumanoidCPU
77
25ms
15 days ago
Chess Move Validation
albanian-laundromat
💎
430
59ms
24 days ago
Chess Move Validation
AidanWalter
🥈
1,541
30ms
24 days ago
Morse Decoder
albanian-laundromat
💎
414
9ms
25 days ago
Tutorial
zzh1996
77
20ms
27 days ago
Highly Composite Numbers
JOrE20
377
7ms
27 Aug 2026
Thue–Morse Constant
HumanoidCPU
1,002
7ms
24 Aug 2026
Kolakoski Sequence
JOrE20
288
7ms
24 Aug 2026
Thue–Morse Constant
JOrE20
996
7ms
24 Aug 2026
Tutorial
quasar098
218
12ms
20 Aug 2026
Prime Numbers (Long)
LostSyntax21
🥉
170
2,046ms
19 Aug 2026
Prime Numbers
LostSyntax21
233
7ms
19 Aug 2026
Mandelbrot
JOrE20
🥈
476
8ms
19 Aug 2026
Card Number Validation
scpchicken
989
42ms
16 Aug 2026
brainfuck
scpchicken
🥉
1,347
602ms
16 Aug 2026
Billiards
scpchicken
🥈
1,370
11ms
16 Aug 2026
Arrows
scpchicken
1,403
9ms
16 Aug 2026
Arabic to Roman
scpchicken
1,303
330ms
16 Aug 2026
Billiards
jared-hughes
💎
318
10ms
16 Aug 2026
Scrambled Sort
jared-hughes
💎
385
17ms
16 Aug 2026
Foo Fizz Buzz Bar
scpchicken
5,740
8ms
16 Aug 2026
Evil Numbers (Long)
scpchicken
1,971
7ms
16 Aug 2026
Evil Numbers
scpchicken
91
7ms
16 Aug 2026
Farey Sequence
scpchicken
4,375
8ms
16 Aug 2026
Fibonacci
scpchicken
155
7ms
16 Aug 2026
Factorial Factorisation
scpchicken
1,168
7ms
16 Aug 2026
Divisors
scpchicken
1,569
7ms
16 Aug 2026
Diamonds
scpchicken
1,649
8ms
16 Aug 2026
Collatz
scpchicken
3,247
8ms
16 Aug 2026
Christmas Trees
scpchicken
769
7ms
16 Aug 2026
Cubes
scpchicken
4,927
7ms
16 Aug 2026
Alphabetic Numbers
scpchicken
3,916
8ms
16 Aug 2026
Gijswijt’s Sequence
scpchicken
2,021
8ms
16 Aug 2026
Catalan’s Constant
scpchicken
1,024
7ms
16 Aug 2026
Catalan Numbers
scpchicken
2,893
8ms
16 Aug 2026
ASCII Table
scpchicken
361
7ms
16 Aug 2026
Ascending Primes
scpchicken
533
7ms
16 Aug 2026
Arithmetic Numbers
scpchicken
37,663
12ms
16 Aug 2026
Abundant Numbers (Long)
scpchicken
985
7ms
16 Aug 2026
Abundant Numbers
scpchicken
184
7ms
16 Aug 2026
24 Game
scpchicken
12,453
9ms
16 Aug 2026
99 Bottles of Beer
scpchicken
11,906
8ms
16 Aug 2026
Quine
LostSyntax21
🥇
80
7ms
16 Aug 2026
Catalan Numbers
JOrE20
2,506
7ms
14 Aug 2026
Divisors
JOrE20
787
7ms
14 Aug 2026
Number Spiral
JOrE20
299
7ms
14 Aug 2026
Ulam Sequence
scpchicken
💎
391
166ms
13 Aug 2026
Tutorial
dokutan
114
9ms
12 Aug 2026
𝑒
JOrE20
997
7ms
11 Aug 2026
QR Decoder
scpchicken
💎
960
22ms
10 Aug 2026
Yellowstone Permutation
HumanoidCPU
5,009
8ms
9 Aug 2026
Taxicab Numbers
scpchicken
💎
1,834
3,297ms
4 Aug 2026
Star Wars GPT
scpchicken
💎
1,944
2,982ms
4 Aug 2026
Calendar
scpchicken
🥈
1,408
11ms
4 Aug 2026
Inventory Sequence
scpchicken
🥉
612
11ms
4 Aug 2026
Tutorial
scpchicken
545
10ms
4 Aug 2026
Emirp Numbers (Long)
scpchicken
🥈
635
428ms
4 Aug 2026
Emirp Numbers
scpchicken
634
22ms
4 Aug 2026
Nim
scpchicken
🥈
1,423
19ms
4 Aug 2026
Gray Code Decoder
scpchicken
🥉
912
2,170ms
4 Aug 2026
12 Days of Christmas
scpchicken
1,049
7ms
4 Aug 2026
Hilbert Curve
scpchicken
2,794
33ms
4 Aug 2026
Game of Life
scpchicken
🥈
1,036
1,632ms
4 Aug 2026
Minesweeper
scpchicken
🥉
1,302
791ms
4 Aug 2026
Star Wars Opening Crawl
scpchicken
2,920
426ms
4 Aug 2026
Gray Code Decoder
jared-hughes
💎
151
209ms
2 Aug 2026
Ulam Sequence
JOrE20
🥉
963
7ms
1 Aug 2026
Ulam Sequence
madex
🥈
542
32ms
31 Jul 2026
Tutorial
JOrE20
77
30ms
31 Jul 2026
Tutorial
Ultra814
144
8ms
31 Jul 2026
Ulam Sequence
dokutan
1,092
7ms
31 Jul 2026
Happy Numbers
JOrE20
106
7ms
29 Jul 2026
Happy Numbers (Long)
JOrE20
🥉
535
7ms
29 Jul 2026
Gray Code Encoder
jared-hughes
💎
128
117ms
27 Jul 2026
Scrambled Sort
albanian-laundromat
🥈
546
69ms
27 Jul 2026
Alphabetic Numbers
jared-hughes
💎
541
4,194ms
26 Jul 2026
Continued Fractions
jared-hughes
💎
174
9ms
26 Jul 2026
Continued Fractions
albanian-laundromat
🥈
202
9ms
26 Jul 2026
Connect Four
jared-hughes
💎
363
285ms
25 Jul 2026
Connect Four
albanian-laundromat
🥈
401
418ms
25 Jul 2026
Tutorial
GolfingSuccess
77
26ms
24 Jul 2026
Tutorial
jared-hughes
77
22ms
23 Jul 2026
Polyominoes
JOrE20
🥈
1,239
7ms
21 Jul 2026
Tower of Hanoi
scpchicken
💎
87
7ms
19 Jul 2026
Polyominoes
scpchicken
💎
1,199
41ms
19 Jul 2026
Mandelbrot
scpchicken
💎
457
9ms
19 Jul 2026
Fibonacci
Europe2048
381
7ms
18 Jul 2026
Star Wars Opening Crawl
KatieLG
5,369
7ms
18 Jul 2026
Tower of Hanoi
JOrE20
202
8ms
11 Jul 2026
Alphabetic Numbers
retrohun
4,895
8ms
3 Jul 2026
Set
albanian-laundromat
🦄
449
87ms
30 Jun 2026
Nim
albanian-laundromat
💎
439
14ms
30 Jun 2026
Musical Chords
albanian-laundromat
💎
496
21ms
29 Jun 2026
γ
retrohun
1,002
7ms
23 Jun 2026
Fibonacci
prestosilver
74
7ms
16 Jun 2026