The
Snake
hole will go live in approximately
30 hours
. Why not try and solve it ahead of time?
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brainfuck
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Odious Numbers (Long)
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PalindromemordnilaP
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Poker
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Rule 110
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United States
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Zeckendorf Representation
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γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Binary Lambda Calculus
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Crossword
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Floyd-Steinberg Dithering
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p-adic Expansion
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Dart
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VimL
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05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
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Stax
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Vala
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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
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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
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Leap Years
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ln 2
Look and Say
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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
emgordon154
137
34ms
42 hours ago
Pernicious Numbers
snoozingnewt
43
4ms
2 days ago
Snake
madex
139
186ms
3 days ago
Proximity Grid
emgordon154
136
456ms
4 days ago
Niven Numbers
emgordon154
🥇
32
4ms
4 days ago
Multitap Input
emgordon154
97
12ms
4 days ago
PalindromemordnilaP
emgordon154
58
15ms
4 days ago
Day of Week
emgordon154
🥇
39
5ms
4 days ago
Continued Fractions
emgordon154
💎
103
6ms
4 days ago
Look and Say
daydun
🥇
60
6ms
6 days ago
Prime Numbers (Long)
daydun
🥇
38
1,060ms
6 days ago
Alphabetic Numbers
Steffan153
🥇
115
16ms
10 days ago
Alphabetic Numbers
edsrzf
🥇
115
14ms
10 days ago
Pangram Grep
christos-cantina-security
222
10ms
14 days ago
Fibonacci
christos-cantina-security
34
4ms
14 days ago
Spelling Numbers
zzh1996
💎
296
18ms
14 days ago
Recamán
zzh1996
🥇
64
4ms
14 days ago
Cubes
madex
252
4ms
17 days ago
Collatz
albanian-laundromat
53
49ms
19 days ago
Tutorial
retrohun
44
4ms
23 days ago
Chess Move Validation
Steffan153
💎
92
15ms
23 days ago
Chess Move Validation
edsrzf
🥈
95
9ms
23 days ago
Musical Chords
madex
🥉
125
6ms
23 days ago
Chess Move Validation
ovs-code
🥉
99
17ms
24 days ago
Maze
madex
144
262ms
25 days ago
Tutorial
zzh1996
35
4ms
31 Aug 2026
Star Wars Opening Crawl
madex
💎
281
7ms
30 Aug 2026
Star Wars Opening Crawl
ovs-code
🥈
283
8ms
30 Aug 2026
Chess Move Validation
madex
104
9ms
30 Aug 2026
Billiards
madex
🥈
142
6ms
30 Aug 2026
Chess Move Validation
zzh1996
112
8ms
29 Aug 2026
Kolakoski Constant
emgordon154
537
4ms
25 Aug 2026
Thue–Morse Constant
HumanoidCPU
1,001
4ms
24 Aug 2026
Thue–Morse Constant
JOrE20
1,001
4ms
24 Aug 2026
Morse Encoder
madex
💎
141
5ms
22 Aug 2026
Tutorial
quasar098
44
4ms
21 Aug 2026
Emojify
scpchicken
465
4ms
20 Aug 2026
DFA Simulator
scpchicken
749
11ms
20 Aug 2026
Day of Week
scpchicken
706
10ms
20 Aug 2026
CSS Colors
scpchicken
3,725
5ms
20 Aug 2026
Continued Fractions
scpchicken
773
6ms
20 Aug 2026
Ulam Sequence
emgordon154
143
3,391ms
18 Aug 2026
Poker
emgordon154
🥉
435
5ms
18 Aug 2026
Card Number Validation
scpchicken
354
6ms
16 Aug 2026
Calendar
scpchicken
875
7ms
16 Aug 2026
brainfuck
scpchicken
1,072
119ms
16 Aug 2026
Billiards
scpchicken
707
7ms
16 Aug 2026
Arrows
scpchicken
805
5ms
16 Aug 2026
Arabic to Roman
scpchicken
530
13ms
16 Aug 2026
Evil Numbers (Long)
scpchicken
2,451
4ms
16 Aug 2026
Evil Numbers
scpchicken
95
4ms
16 Aug 2026
Farey Sequence
scpchicken
5,129
4ms
16 Aug 2026
Factorial Factorisation
scpchicken
863
4ms
16 Aug 2026
Emirp Numbers (Long)
scpchicken
1,396
4ms
16 Aug 2026
Emirp Numbers
scpchicken
172
4ms
16 Aug 2026
Divisors
scpchicken
1,266
4ms
16 Aug 2026
Diamonds
scpchicken
1,192
3ms
16 Aug 2026
Christmas Trees
scpchicken
600
4ms
16 Aug 2026
Cubes
scpchicken
2,938
4ms
16 Aug 2026
Alphabetic Numbers
scpchicken
4,896
5ms
16 Aug 2026
Gijswijt’s Sequence
scpchicken
3,000
5ms
16 Aug 2026
Catalan’s Constant
scpchicken
1,004
4ms
16 Aug 2026
Catalan Numbers
scpchicken
2,972
5ms
16 Aug 2026
ASCII Table
scpchicken
292
4ms
16 Aug 2026
Ascending Primes
scpchicken
612
4ms
16 Aug 2026
Arithmetic Numbers
scpchicken
45,330
9ms
16 Aug 2026
Abundant Numbers (Long)
scpchicken
1,210
4ms
16 Aug 2026
Abundant Numbers
scpchicken
209
4ms
16 Aug 2026
99 Bottles of Beer
scpchicken
12,184
4ms
16 Aug 2026
24 Game
scpchicken
13,794
5ms
16 Aug 2026
12 Days of Christmas
scpchicken
605
4ms
15 Aug 2026
Lyndon Factorization
madex
95
8ms
15 Aug 2026
Tower of Hanoi
Steffan153
🥇
67
6ms
13 Aug 2026
Tutorial
dokutan
35
5ms
12 Aug 2026
Tutorial
ovs-code
35
4ms
8 Aug 2026
Yellowstone Permutation
ovs-code
135
3,630ms
8 Aug 2026
Musical Chords
ovs-code
🥈
106
10ms
8 Aug 2026
Star Wars GPT
ovs-code
💎
69
403ms
8 Aug 2026
Arabic to Roman
ovs-code
💎
105
37ms
8 Aug 2026
Kolakoski Sequence
ovs-code
🥇
52
8ms
8 Aug 2026
Yellowstone Permutation
HumanoidCPU
4,012
4ms
8 Aug 2026
Happy Numbers
scpchicken
67
6ms
8 Aug 2026
Card Number Validation
ovs-code
🥉
61
5ms
7 Aug 2026
Happy Numbers (Long)
ovs-code
🥇
57
5ms
7 Aug 2026
Evil Numbers (Long)
ovs-code
🥉
39
4ms
7 Aug 2026
Odious Numbers (Long)
ovs-code
40
5ms
7 Aug 2026
Connect Four
ovs-code
🥇
184
133ms
6 Aug 2026
Look and Say
ovs-code
63
12ms
6 Aug 2026
Ordinal Numbers
ovs-code
🥈
53
8ms
5 Aug 2026
Roman to Arabic
ovs-code
🥇
66
13ms
5 Aug 2026
Alphabetic Numbers
ovs-code
🥉
125
17ms
4 Aug 2026
Day of Week
denkyuu1
🥇
39
6ms
2 Aug 2026
Ulam Sequence
ovs-code
🥈
75
1,664ms
1 Aug 2026
Quine
JOrE20
🥇
19
4ms
1 Aug 2026
Connect Four
emgordon154
🥇
184
172ms
1 Aug 2026
Ulam Sequence
dokutan
280
4ms
31 Jul 2026
Ulam Sequence
madex
🥉
104
2,072ms
30 Jul 2026
Ulam Sequence
Steffan153
💎
70
1,703ms
28 Jul 2026
Hilbert Curve
ovs-code
🥈
210
17ms
28 Jul 2026
Kaprekar Numbers
emgordon154
🥈
210
1,959ms
28 Jul 2026