The
Connect Four
hole will go live in approximately
2 days
. Why not try and solve it ahead of time?
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brainfuck
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Emojify
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Evil Numbers (Long)
Factorial Factorisation
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Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Gray Code Decoder
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Hexdump
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Intersection
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ISBN
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Kolakoski Constant
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Leap Years
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ln 2
Look and Say
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Maze
Medal Tally
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N Queens
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
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Star Wars Opening Crawl
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Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
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Semiprime Numbers
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Tutorial
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><>
ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
Groovy
Haskell
Hexagony
iogii
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
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
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
Christmas Trees
Collatz
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
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
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
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Ulam Sequence
Hole
Golfer
Bytes
Time
Submitted
Intersection
kasarino
435
49ms
32 hours ago
Intersection
scpchicken
28
33ms
34 hours ago
Intersection
scpchicken
33
3ms
35 hours ago
Intersection
2bular
🥇
11
37ms
40 hours ago
Intersection
Steffan153
🥇
11
36ms
45 hours ago
Intersection
akaritakai
195
3ms
3 days ago
Intersection
Shanethegamer
202
429ms
3 days ago
Intersection
edsrzf
💎
147
8ms
4 days ago
Intersection
kg583
🥈
183
49ms
4 days ago
Intersection
codereport
🥉
15
32ms
4 days ago
Intersection
ovs-code
22
35ms
5 days ago
Intersection
chroyo60-art
327
11ms
7 days ago
Intersection
oaiqjuy
74
3ms
8 days ago
Intersection
CaedenHarper
🥈
191
3ms
9 days ago
Intersection
oaiqjuy
138
40ms
10 days ago
Intersection
oaiqjuy
128
9ms
10 days ago
Intersection
oaiqjuy
130
11ms
11 days ago
Intersection
vang1ong7ang
31
3ms
11 days ago
Intersection
retrohun
87
6ms
11 days ago
Intersection
retrohun
130
170ms
12 days ago
Intersection
janbehrens
239
402ms
13 days ago
Intersection
vang1ong7ang
🥇
29
69ms
14 days ago
Intersection
codereport
31
3ms
14 days ago
Intersection
snoozingnewt
189
122ms
15 days ago
Intersection
MateuszPietrzak
155
143ms
18 days ago
Intersection
rkg-huwdu
51
34ms
18 days ago
Intersection
sisyphus-gpt
125
31ms
20 days ago
Intersection
rkg-huwdu
32
3ms
20 days ago
Intersection
scpchicken
145
143ms
21 days ago
Intersection
scpchicken
105
7ms
21 days ago
Intersection
GolfingSuccess
💎
196
100ms
22 days ago
Intersection
lelbal
140
12ms
24 days ago
Intersection
Shanethegamer
🥈
197
97ms
24 days ago
Intersection
JayXon
💎
93
151ms
25 days ago
Intersection
Steffan153
🥈
95
140ms
25 days ago
Intersection
Shanethegamer
95
2ms
26 days ago
Intersection
Steffan153
💎
134
132ms
27 days ago
Intersection
Steffan153
💎
192
351ms
27 days ago
Intersection
Steffan153
96
9ms
27 days ago
Intersection
albanian-laundromat
243
45ms
27 days ago
Intersection
NameRandomString
🥉
117
7ms
27 days ago
Intersection
rucin93
🥇
94
10ms
27 days ago
Intersection
Shanethegamer
123
8ms
27 days ago
Intersection
Shanethegamer
164
3ms
27 days ago
Intersection
Shanethegamer
152
11ms
27 days ago
Intersection
Shanethegamer
💎
292
217ms
1 May 2026
Intersection
codereport
48
34ms
1 May 2026
Intersection
emplv
🥉
103
144ms
30 Apr 2026
Intersection
NacMacFigl
132
11ms
29 Apr 2026
Intersection
emplv
🥇
94
11ms
27 Apr 2026
Intersection
FortuiteMan
283
335ms
25 Apr 2026
Intersection
vang1ong7ang
130
11ms
25 Apr 2026
Intersection
DayDun
🥈
84
5ms
25 Apr 2026
Intersection
namelessiw
🥈
160
383ms
24 Apr 2026
Intersection
matanberstadt
173
430ms
24 Apr 2026
Intersection
Steffan153
🥇
105
5ms
23 Apr 2026
Intersection
kg583
🥇
105
5ms
23 Apr 2026
Intersection
emgordon154
🥉
357
1,623ms
23 Apr 2026
Intersection
Yewzir
🥈
326
1,752ms
19 Apr 2026
Intersection
Mikey-Beep
179
16ms
19 Apr 2026
Intersection
blaztoma
97
42ms
19 Apr 2026
Intersection
Steffan153
💎
83
5ms
18 Apr 2026
Intersection
JayXon
💎
298
1,660ms
16 Apr 2026
Intersection
firegene
129
31ms
16 Apr 2026
Intersection
MeWhenI
387
1,744ms
16 Apr 2026
Intersection
0dyse
157
11ms
14 Apr 2026
Intersection
Apfelvater
150
11ms
14 Apr 2026
Intersection
scpchicken
210
451ms
13 Apr 2026
Intersection
zgialor-lab
130
11ms
12 Apr 2026
Intersection
Matter1024
142
4ms
12 Apr 2026
Intersection
scpchicken
126
41ms
11 Apr 2026
Intersection
DialFrost
🥈
128
28ms
9 Apr 2026
Intersection
primo-ppcg
💎
119
29ms
9 Apr 2026
Intersection
Natanaelel
76
162ms
8 Apr 2026
Intersection
Natanaelel
99
41ms
8 Apr 2026
Intersection
vang1ong7ang
195
229ms
8 Apr 2026
Intersection
Andrey2001
134
541ms
6 Apr 2026
Intersection
Andrey2001
142
11ms
6 Apr 2026
Intersection
prestosilver
166
435ms
6 Apr 2026
Intersection
GrayJoKing
🥈
152
8ms
6 Apr 2026
Intersection
kumavale
🥉
194
220ms
4 Apr 2026
Intersection
snoozingnewt
195
245ms
4 Apr 2026
Intersection
Steffan153
124
2,514ms
3 Apr 2026
Intersection
denkyuu1
144
77ms
1 Apr 2026
Intersection
CaedenHarper
48
93ms
29 Mar 2026
Intersection
aksyristos
129
42ms
29 Mar 2026
Intersection
Googolplexo
133
11ms
28 Mar 2026
Intersection
MeWhenI
187
176ms
27 Mar 2026
Intersection
Steffan153
🥉
180
271ms
22 Mar 2026
Intersection
Steffan153
🥉
206
102ms
22 Mar 2026
Intersection
edsrzf
🥉
206
101ms
22 Mar 2026
Intersection
kg583
210
97ms
22 Mar 2026
Intersection
Aquateraneal
135
11ms
21 Mar 2026
Intersection
Steffan153
33
3ms
17 Mar 2026
Intersection
StefanHabel
128
21ms
16 Mar 2026
Intersection
fuzzylojik-golf
138
31ms
15 Mar 2026
Intersection
raphaelimahorn
255
430ms
12 Mar 2026
Intersection
fantaize
223
230ms
10 Mar 2026
Intersection
JayXon
🥇
97
405ms
9 Mar 2026
Intersection
Steffan153
101
532ms
9 Mar 2026