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hole will go live in approximately
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. Why not try and solve it ahead of time?
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N Queens
Nim
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Number Spiral
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Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
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Pernicious Numbers (Long)
Poker
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Proximity Grid
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Quine
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Reversi
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Roman to Arabic
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Rule 110
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Set
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Sudoku (Fill-in)
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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
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Snake
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Thue–Morse Constant
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Tutorial
Yellowstone Permutation
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D
Dart
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iogii
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jq
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R
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sed
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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
Rijndael S-box
JOrE20
💎
101
3ms
8 hours ago
Rijndael S-box
Edjyzod
207
10ms
10 hours ago
Rijndael S-box
ovs-code
🥉
140
114ms
29 hours ago
Rijndael S-box
snoozingnewt
💎
102
89ms
42 hours ago
Rijndael S-box
HumanoidCPU
219
2ms
3 days ago
Rijndael S-box
JOrE20
199
360ms
3 days ago
Rijndael S-box
snoozingnewt
💎
206
115ms
4 days ago
Rijndael S-box
denkyuu1
804
354ms
4 days ago
Rijndael S-box
kg583
💎
140
35ms
4 days ago
Rijndael S-box
nickweissert-star
550
222ms
6 days ago
Rijndael S-box
zzh1996
🥈
172
339ms
7 days ago
Rijndael S-box
kmathis22
798
351ms
10 days ago
Rijndael S-box
Sleepingzzz2148
225
65ms
11 days ago
Rijndael S-box
JOrE20
101
10ms
12 days ago
Rijndael S-box
Languag3
🥉
91
14ms
12 days ago
Rijndael S-box
Languag3
💎
291
3ms
12 days ago
Rijndael S-box
JayXon
🥇
158
283ms
13 days ago
Rijndael S-box
kkoenig
🥇
158
303ms
13 days ago
Rijndael S-box
christos-cantina-security
💎
64
33ms
14 days ago
Rijndael S-box
christos-cantina-security
800
195ms
14 days ago
Rijndael S-box
christos-cantina-security
🥉
59
26ms
14 days ago
Rijndael S-box
zzh1996
200
491ms
14 days ago
Rijndael S-box
zzh1996
💎
158
2ms
14 days ago
Rijndael S-box
christos-cantina-security
110
412ms
14 days ago
Rijndael S-box
KatieLG
781
34ms
15 days ago
Rijndael S-box
HumanoidCPU
796
463ms
16 days ago
Rijndael S-box
Europe2048
200
11ms
18 days ago
Rijndael S-box
jordansafer
212
10ms
19 days ago
Rijndael S-box
HumanoidCPU
863
33ms
19 days ago
Rijndael S-box
JOrE20
779
34ms
20 days ago
Rijndael S-box
ihsan-gpt
138
14ms
21 days ago
Rijndael S-box
rucin93
💎
104
7ms
23 days ago
Rijndael S-box
madex
96
18ms
23 days ago
Rijndael S-box
madex
149
3ms
23 days ago
Rijndael S-box
prestosilver
262
414ms
27 days ago
Rijndael S-box
JOrE20
123
7ms
1 Sep 2026
Rijndael S-box
MostParsingVex
💎
111
40ms
27 Aug 2026
Rijndael S-box
JayXon
🥈
105
7ms
26 Aug 2026
Rijndael S-box
emplv
🥉
108
7ms
26 Aug 2026
Rijndael S-box
emplv
🥈
119
7ms
26 Aug 2026
Rijndael S-box
MostParsingVex
🥉
222
2,263ms
24 Aug 2026
Rijndael S-box
MostParsingVex
🥉
140
28ms
24 Aug 2026
Rijndael S-box
JOrE20
293
32ms
21 Aug 2026
Rijndael S-box
quasar098
254
232ms
21 Aug 2026
Rijndael S-box
Europe2048
200
94ms
20 Aug 2026
Rijndael S-box
LostSyntax21
110
11ms
20 Aug 2026
Rijndael S-box
HumanoidCPU
449
76ms
19 Aug 2026
Rijndael S-box
Steffan153
150
6ms
18 Aug 2026
Rijndael S-box
CaedenHarper
206
321ms
17 Aug 2026
Rijndael S-box
HumanoidCPU
454
73ms
17 Aug 2026
Rijndael S-box
codewrite
311
401ms
17 Aug 2026
Rijndael S-box
Europe2048
275
467ms
14 Aug 2026
Rijndael S-box
Natanaelel
455
163ms
11 Aug 2026
Rijndael S-box
retrohun
563
11ms
9 Aug 2026
Rijndael S-box
kasarino
340
309ms
9 Aug 2026
Rijndael S-box
LostSyntax21
550
3ms
7 Aug 2026
Rijndael S-box
celiendonze
780
10ms
5 Aug 2026
Rijndael S-box
emgordon154
🥈
116
409ms
31 Jul 2026
Rijndael S-box
darrenks
🥇
52
25ms
30 Jul 2026
Rijndael S-box
zzh1996
🥇
52
56ms
22 Jul 2026
Rijndael S-box
scpchicken
195
177ms
21 Jul 2026
Rijndael S-box
Europe2048
804
358ms
20 Jul 2026
Rijndael S-box
LostSyntax21
140
39ms
20 Jul 2026
Rijndael S-box
JOrE20
🥉
805
11ms
19 Jul 2026
Rijndael S-box
rschwa6308
780
11ms
18 Jul 2026
Rijndael S-box
Natanaelel
210
2ms
18 Jul 2026
Rijndael S-box
duckyluuk
💎
379
3,634ms
15 Jul 2026
Rijndael S-box
CaedenHarper
154
63ms
14 Jul 2026
Rijndael S-box
Steffan153
💎
213
174ms
13 Jul 2026
Rijndael S-box
Steffan153
🥇
109
1,138ms
13 Jul 2026
Rijndael S-box
isiwhevosodbbd
584
10ms
8 Jul 2026
Rijndael S-box
MostParsingVex
102
1,669ms
7 Jul 2026
Rijndael S-box
dokutan
284
59ms
30 Jun 2026
Rijndael S-box
kasarino
265
2ms
29 Jun 2026
Rijndael S-box
dokutan
784
363ms
27 Jun 2026
Rijndael S-box
HumanoidCPU
831
28ms
24 Jun 2026
Rijndael S-box
DialFrost
194
243ms
23 Jun 2026
Rijndael S-box
kg583
💎
264
223ms
19 Jun 2026
Rijndael S-box
zzh1996
142
48ms
18 Jun 2026
Rijndael S-box
codereport
🥈
82
2ms
18 Jun 2026
Rijndael S-box
codereport
60
26ms
18 Jun 2026
Rijndael S-box
ovs-code
129
462ms
17 Jun 2026
Rijndael S-box
CaedenHarper
🥈
241
3,624ms
17 Jun 2026
Rijndael S-box
JayXon
126
497ms
17 Jun 2026
Rijndael S-box
scpchicken
279
23ms
17 Jun 2026
Rijndael S-box
scpchicken
140
4ms
16 Jun 2026
Rijndael S-box
hellopir2
772
5ms
16 Jun 2026
Rijndael S-box
error256
🥉
122
456ms
15 Jun 2026
Rijndael S-box
Shanethegamer
796
519ms
15 Jun 2026
Rijndael S-box
scpchicken
🥈
215
137ms
9 Jun 2026
Rijndael S-box
Andrey2001
223
552ms
9 Jun 2026
Rijndael S-box
Andrey2001
223
36ms
9 Jun 2026
Rijndael S-box
kasarino
435
43ms
9 Jun 2026
Rijndael S-box
h3ra993huskp
786
178ms
8 Jun 2026
Rijndael S-box
h3ra993huskp
815
1ms
8 Jun 2026
Rijndael S-box
CaedenHarper
💎
199
109ms
8 Jun 2026
Rijndael S-box
edsrzf
🥉
207
7ms
7 Jun 2026
Rijndael S-box
namelessiw
200
494ms
5 Jun 2026
Rijndael S-box
kasarino
593
10ms
5 Jun 2026
Rijndael S-box
Matter1024
🥉
805
11ms
4 Jun 2026