The
Snake
hole will go live in approximately
5 days
. Why not try and solve it ahead of time?
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Egel
Fennel
Harbour
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Hy
Knight
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Stax
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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
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
Niven Numbers (Long)
snoozingnewt
54
88ms
14 hours ago
Niven Numbers (Long)
emgordon154
🥇
102
269ms
17 hours ago
Niven Numbers (Long)
JOrE20
80
369ms
35 hours ago
Niven Numbers (Long)
jipsong
🥇
54
1,983ms
2 days ago
Niven Numbers (Long)
dpamar
55
44ms
3 days ago
Niven Numbers (Long)
zzh1996
80
359ms
3 days ago
Niven Numbers (Long)
zzh1996
🥇
54
5ms
3 days ago
Niven Numbers (Long)
emgordon154
75
450ms
4 days ago
Niven Numbers (Long)
ovs-code
42
8ms
5 days ago
Niven Numbers (Long)
JOrE20
35
72ms
5 days ago
Niven Numbers (Long)
Europe2048
45
8ms
5 days ago
Niven Numbers (Long)
finn-dvd
108
5ms
7 days ago
Niven Numbers (Long)
albanian-laundromat
42
40ms
7 days ago
Niven Numbers (Long)
bpharaldsson
65
17ms
7 days ago
Niven Numbers (Long)
Yax42
59
11ms
9 days ago
Niven Numbers (Long)
HumanoidCPU
82
2ms
9 days ago
Niven Numbers (Long)
albanian-laundromat
26
101ms
9 days ago
Niven Numbers (Long)
zzh1996
76
471ms
10 days ago
Niven Numbers (Long)
christos-cantina-security
🥇
8
30ms
11 days ago
Niven Numbers (Long)
bpharaldsson
125
5ms
11 days ago
Niven Numbers (Long)
bpharaldsson
89
348ms
11 days ago
Niven Numbers (Long)
KatieLG
7,451
34ms
11 days ago
Niven Numbers (Long)
NoneTheFewer
114
347ms
12 days ago
Niven Numbers (Long)
HumanoidCPU
7,466
464ms
12 days ago
Niven Numbers (Long)
albanian-laundromat
66
2,225ms
14 days ago
Niven Numbers (Long)
emgordon154
🥇
94
68ms
14 days ago
Niven Numbers (Long)
levigutt
36
9ms
15 days ago
Niven Numbers (Long)
jordansafer
57
16ms
15 days ago
Niven Numbers (Long)
albanian-laundromat
66
22ms
15 days ago
Niven Numbers (Long)
HumanoidCPU
15,127
37ms
15 days ago
Niven Numbers (Long)
ovs-code
40
47ms
16 days ago
Niven Numbers (Long)
retrohun
132
29ms
17 days ago
Niven Numbers (Long)
warmCabin
76
2ms
18 days ago
Niven Numbers (Long)
pauljoohyunkim
63
15ms
19 days ago
Niven Numbers (Long)
jenova-gemini
57
16ms
19 days ago
Niven Numbers (Long)
JOrE20
🥇
50
10ms
20 days ago
Niven Numbers (Long)
kcinnu
🥇
137
1,590ms
21 days ago
Niven Numbers (Long)
nickweissert-star
42
4,040ms
22 days ago
Niven Numbers (Long)
Europe2048
52
11ms
22 days ago
Niven Numbers (Long)
namelessiw
10
650ms
23 days ago
Niven Numbers (Long)
albanian-laundromat
🥇
8
31ms
24 days ago
Niven Numbers (Long)
retrohun
🥈
44
1,776ms
25 days ago
Niven Numbers (Long)
jipsong
48
975ms
25 days ago
Niven Numbers (Long)
edsrzf
🥇
52
14ms
25 days ago
Niven Numbers (Long)
kg583
🥇
52
13ms
25 days ago
Niven Numbers (Long)
stellartux
46
314ms
27 days ago
Niven Numbers (Long)
kasarino
115
347ms
26 Aug 2026
Niven Numbers (Long)
JOrE20
🥇
38
44ms
25 Aug 2026
Niven Numbers (Long)
ryyyn
🥇
50
35ms
25 Aug 2026
Niven Numbers (Long)
egu555
35
72ms
25 Aug 2026
Niven Numbers (Long)
egu555
52
33ms
24 Aug 2026
Niven Numbers (Long)
egu555
57
17ms
24 Aug 2026
Niven Numbers (Long)
Matter1024
239
52ms
21 Aug 2026
Niven Numbers (Long)
JOrE20
30
164ms
19 Aug 2026
Niven Numbers (Long)
albanian-laundromat
251
83ms
16 Aug 2026
Niven Numbers (Long)
JOrE20
26
102ms
15 Aug 2026
Niven Numbers (Long)
Europe2048
32
8ms
14 Aug 2026
Niven Numbers (Long)
scpchicken
🥇
69
463ms
14 Aug 2026
Niven Numbers (Long)
Lydxn
🥇
69
508ms
14 Aug 2026
Niven Numbers (Long)
JOrE20
5,582
2ms
12 Aug 2026
Niven Numbers (Long)
qpwoeirut
🥇
8
31ms
10 Aug 2026
Niven Numbers (Long)
emgordon154
32
20ms
10 Aug 2026
Niven Numbers (Long)
retrohun
55
17ms
9 Aug 2026
Niven Numbers (Long)
rainruse
70
21ms
7 Aug 2026
Niven Numbers (Long)
JOrE20
102
28ms
7 Aug 2026
Niven Numbers (Long)
edsrzf
🥇
86
82ms
6 Aug 2026
Niven Numbers (Long)
Steffan153
🥇
86
82ms
6 Aug 2026
Niven Numbers (Long)
Europe2048
13
231ms
4 Aug 2026
Niven Numbers (Long)
Europe2048
54
17ms
4 Aug 2026
Niven Numbers (Long)
CornerMercury
🥇
38
46ms
1 Aug 2026
Niven Numbers (Long)
nrtc2
52
31ms
26 Jul 2026
Niven Numbers (Long)
Europe2048
11
1,162ms
26 Jul 2026
Niven Numbers (Long)
CatsAreFluffy
🥇
8
33ms
24 Jul 2026
Niven Numbers (Long)
JOrE20
54
16ms
20 Jul 2026
Niven Numbers (Long)
CornerMercury
10
682ms
20 Jul 2026
Niven Numbers (Long)
edsrzf
🥇
70
19ms
16 Jul 2026
Niven Numbers (Long)
Steffan153
🥇
38
4,581ms
16 Jul 2026
Niven Numbers (Long)
edsrzf
🥇
38
4,576ms
15 Jul 2026
Niven Numbers (Long)
kmathis22
84
17ms
14 Jul 2026
Niven Numbers (Long)
denkyuu1
🥇
41
355ms
13 Jul 2026
Niven Numbers (Long)
retrohun
86
44ms
13 Jul 2026
Niven Numbers (Long)
fuzzylojik-golf
🥇
8
35ms
10 Jul 2026
Niven Numbers (Long)
fuzzylojik-golf
28
180ms
8 Jul 2026
Niven Numbers (Long)
JMMMMC
154
19ms
8 Jul 2026
Niven Numbers (Long)
Yewzir
🥇
47
816ms
4 Jul 2026
Niven Numbers (Long)
Shoberg
67
17ms
2 Jul 2026
Niven Numbers (Long)
CaedenHarper
78
205ms
1 Jul 2026
Niven Numbers (Long)
CaedenHarper
🥇
38
43ms
30 Jun 2026
Niven Numbers (Long)
AdrienHache
90
62ms
29 Jun 2026
Niven Numbers (Long)
AdrienHache
71
4ms
29 Jun 2026
Niven Numbers (Long)
retrohun
50
72ms
28 Jun 2026
Niven Numbers (Long)
retrohun
113
85ms
28 Jun 2026
Niven Numbers (Long)
Europe2048
🥇
8
30ms
28 Jun 2026
Niven Numbers (Long)
dokutan
4,723
362ms
27 Jun 2026
Niven Numbers (Long)
GolfingSuccess
52
83ms
27 Jun 2026
Niven Numbers (Long)
kasarino
125
65ms
26 Jun 2026
Niven Numbers (Long)
kasarino
99
3ms
26 Jun 2026
Niven Numbers (Long)
JOrE20
🥇
8
31ms
25 Jun 2026
Niven Numbers (Long)
albanian-laundromat
121
93ms
24 Jun 2026
Niven Numbers (Long)
HumanoidCPU
12,065
32ms
24 Jun 2026