The
Snake
hole will go live in approximately
36 hours
. Why not try and solve it ahead of time?
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brainfuck
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Nim
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Number Spiral
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Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
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Pernicious Numbers (Long)
Poker
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Prime Numbers
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Proximity Grid
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Quine
Recamán
Repeating Decimals
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Reversi
Rijndael S-box
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Rule 110
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Set
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SI Units
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Taxicab Numbers
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Time Distance
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Topological Sort
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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
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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
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Dart
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APL
Arturo
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Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
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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
Prime Numbers
denkyuu1
30
3ms
10 hours ago
Poker
o0lit3
🥉
225
3ms
13 hours ago
Ordinal Numbers
o0lit3
🥇
39
4ms
15 hours ago
Pascal’s Triangle
o0lit3
🥇
34
3ms
16 hours ago
Prime Numbers (Long)
o0lit3
🥉
37
2,800ms
18 hours ago
Lucky Tickets
egu555
83
74ms
19 hours ago
Prime Numbers (Long)
Nico-Posada
50
2,755ms
19 hours ago
Continued Fractions
denkyuu1
104
3ms
32 hours ago
Snake
saito-ta
99
4ms
42 hours ago
Prime Numbers
o0lit3
🥇
28
3ms
2 days ago
Recamán
o0lit3
🥇
37
3ms
2 days ago
QR Decoder
o0lit3
💎
103
3ms
2 days ago
Kolakoski Sequence
o0lit3
🥇
40
4ms
2 days ago
Sierpiński Triangle
o0lit3
🥇
44
3ms
3 days ago
Snake
madex
140
4ms
3 days ago
Taxicab Numbers
egu555
🥉
64
2,056ms
3 days ago
Rock-paper-scissors-Spock-lizard
o0lit3
🥈
157
3ms
3 days ago
Recamán
egu555
45
3ms
4 days ago
Reverse Polish Notation
o0lit3
🥇
46
6ms
4 days ago
Roman to Arabic
denkyuu1
119
8ms
4 days ago
QR Decoder
saito-ta
109
3ms
5 days ago
Tongue-twisters
o0lit3
🥈
271
3ms
6 days ago
Spelling Numbers
o0lit3
🥉
207
8ms
6 days ago
Transpose Sentence
denkyuu1
83
64ms
6 days ago
Quine
zzh1996
🥇
21
3ms
7 days ago
Divisors
o0lit3
🥇
37
3ms
7 days ago
Kolakoski Sequence
denkyuu1
84
4ms
7 days ago
Tic-tac-toe
denkyuu1
63
4ms
7 days ago
Tower of Hanoi
denkyuu1
55
3ms
7 days ago
Niven Numbers
denkyuu1
41
3ms
7 days ago
Fibonacci
denkyuu1
40
3ms
7 days ago
Forsyth–Edwards Notation
denkyuu1
75
3ms
7 days ago
Calendar
o0lit3
💎
166
3ms
7 days ago
Day of Week
o0lit3
🥉
115
3ms
7 days ago
CSS Colors
o0lit3
💎
599
3ms
7 days ago
Leyland Numbers
egu555
78
3ms
7 days ago
Christmas Trees
o0lit3
🥈
50
3ms
7 days ago
𝑒
o0lit3
🥇
26
36ms
8 days ago
τ
o0lit3
🥇
27
273ms
8 days ago
π
o0lit3
🥇
25
264ms
8 days ago
Arabic to Roman
o0lit3
🥇
66
9ms
8 days ago
Diamonds
o0lit3
🥇
50
3ms
8 days ago
Niven Numbers (Long)
JOrE20
35
72ms
9 days ago
Star Wars Opening Crawl
o0lit3
🥉
134
7ms
9 days ago
Star Wars GPT
o0lit3
💎
70
10ms
9 days ago
Gray Code Encoder
denkyuu1
🥇
27
4ms
10 days ago
Gray Code Encoder
albanian-laundromat
29
4ms
10 days ago
Niven Numbers
albanian-laundromat
35
3ms
11 days ago
Pernicious Numbers
albanian-laundromat
🥇
24
3ms
11 days ago
Sudoku
o0lit3
💎
268
64ms
11 days ago
Sudoku (Fill-in)
o0lit3
💎
105
148ms
11 days ago
Sudoku (Fill-in)
canissimia-delete-this
🥉
107
14ms
11 days ago
Sudoku (Fill-in)
canissimia
🥈
106
181ms
11 days ago
Kaprekar Numbers
egu555
76
1,885ms
11 days ago
Zodiac Signs
HumanoidCPU
849
4ms
12 days ago
Inventory Sequence
egu555
42
3ms
12 days ago
Lucky Numbers
egu555
57
31ms
13 days ago
Card Number Validation
denkyuu1
55
3ms
13 days ago
ISBN
denkyuu1
60
3ms
13 days ago
Reversi
christos-cantina-security
78
7ms
13 days ago
Zodiac Signs
christos-cantina-security
317
4ms
13 days ago
Fibonacci
christos-cantina-security
30
3ms
13 days ago
Thue–Morse Constant
JOrE20
69
27ms
14 days ago
ROT13
christos-cantina-security
35
4ms
14 days ago
Tic-tac-toe
christos-cantina-security
🥇
47
4ms
14 days ago
Forsyth–Edwards Notation
christos-cantina-security
70
3ms
14 days ago
PalindromemordnilaP
christos-cantina-security
41
4ms
14 days ago
Rule 110
o0lit3
💎
53
4ms
14 days ago
12 Days of Christmas
zzh1996
💎
49
3ms
14 days ago
Recamán
christos-cantina-security
54
3ms
14 days ago
Gijswijt’s Sequence
christos-cantina-security
57
33ms
14 days ago
φ
christos-cantina-security
🥇
31
53ms
14 days ago
√2
christos-cantina-security
🥇
27
52ms
14 days ago
Ordinal Numbers
christos-cantina-security
41
4ms
14 days ago
Morse Decoder
o0lit3
💎
113
3ms
14 days ago
Smith Numbers
egu555
109
174ms
14 days ago
Morse Encoder
o0lit3
🥈
121
2ms
15 days ago
Thue–Morse Constant
saito-ta
55
40ms
15 days ago
Number Spiral
o0lit3
🥉
82
3ms
15 days ago
Musical Chords
o0lit3
93
3ms
16 days ago
Lucky Tickets
o0lit3
🥈
59
57ms
17 days ago
Niven Numbers (Long)
levigutt
36
9ms
18 days ago
Sudoku
bitsandbeyond
🥈
300
463ms
19 days ago
Inventory Sequence
o0lit3
37
3ms
19 days ago
Divisors
denkyuu1
43
3ms
19 days ago
12 Days of Christmas
levigutt
457
3ms
20 days ago
Niven Numbers
levigutt
35
3ms
20 days ago
Kolakoski Constant
o0lit3
🥇
71
257ms
20 days ago
Vampire Numbers
levigutt
183
1,129ms
21 days ago
United States
o0lit3
🥉
76
3ms
21 days ago
Binary Lambda Calculus
bitsandbeyond
225
7ms
21 days ago
Taxicab Numbers
levigutt
127
542ms
21 days ago
Gijswijt’s Sequence
egu555
56
33ms
21 days ago
Tongue-twisters
levigutt
537
3ms
22 days ago
Van Eck Sequence
levigutt
87
29ms
22 days ago
Connect Four
emgordon154
236
64ms
22 days ago
Tutorial
AsaiYusuke
33
3ms
23 days ago
12 Days of Christmas
AsaiYusuke
384
3ms
23 days ago
Vampire Numbers
o0lit3
💎
75
3,030ms
23 days ago
24 Game
lilj4ck64
997
2,279ms
23 days ago