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Connect Four
hole will go live in approximately
2 days
. Why not try and solve it ahead of time?
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Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
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><>
ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
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Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
F#
Factor
Forth
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Go
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Groovy
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iogii
J
Janet
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jq
Julia
K
Kotlin
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Nim
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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
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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
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
Seven Segment
kasarino
379
45ms
7 hours ago
Seven Segment
codereport
🥈
37
31ms
2 days ago
Seven Segment
amillerman
163
11ms
2 days ago
Seven Segment
emgordon154
76
31ms
2 days ago
Seven Segment
scpchicken
73
31ms
3 days ago
Seven Segment
scpchicken
168
130ms
3 days ago
Seven Segment
akaritakai
200
57ms
3 days ago
Seven Segment
akaritakai
217
2ms
3 days ago
Seven Segment
chroyo60-art
312
10ms
3 days ago
Seven Segment
Orsailius
155
431ms
4 days ago
Seven Segment
vang1ong7ang
58
2ms
8 days ago
Seven Segment
oaiqjuy
142
10ms
9 days ago
Seven Segment
CaedenHarper
110
482ms
9 days ago
Seven Segment
CaedenHarper
💎
150
2ms
9 days ago
Seven Segment
CaedenHarper
119
10ms
9 days ago
Seven Segment
oaiqjuy
177
7ms
10 days ago
Seven Segment
sisyphus-gpt
118
10ms
10 days ago
Seven Segment
ahmetdemirag
136
9ms
12 days ago
Seven Segment
Matter1024
204
2ms
12 days ago
Seven Segment
snoozingnewt
125
117ms
12 days ago
Seven Segment
Steffan153
🥈
113
122ms
12 days ago
Seven Segment
edsrzf
💎
104
136ms
12 days ago
Seven Segment
emgordon154
101
3ms
13 days ago
Seven Segment
Orsailius
247
403ms
13 days ago
Seven Segment
janbehrens
178
398ms
13 days ago
Seven Segment
codereport
58
3ms
15 days ago
Seven Segment
bizy-coder
121
10ms
15 days ago
Seven Segment
vang1ong7ang
63
46ms
16 days ago
Seven Segment
scpchicken
91
3ms
16 days ago
Seven Segment
scpchicken
112
10ms
16 days ago
Seven Segment
siarie
274
9ms
18 days ago
Seven Segment
rkg-huwdu
80
32ms
19 days ago
Seven Segment
rkg-huwdu
79
3ms
19 days ago
Seven Segment
NameRandomString
225
2ms
20 days ago
Seven Segment
snoozingnewt
🥈
161
164ms
20 days ago
Seven Segment
Steffan153
🥇
110
11ms
21 days ago
Seven Segment
Steffan153
🥈
93
385ms
21 days ago
Seven Segment
zgialor-lab
144
10ms
22 days ago
Seven Segment
LostSyntax21
147
10ms
23 days ago
Seven Segment
blaztoma
🥉
116
129ms
23 days ago
Seven Segment
blaztoma
💎
85
39ms
23 days ago
Seven Segment
JayXon
🥈
162
193ms
27 days ago
Seven Segment
kumavale
💎
155
193ms
27 days ago
Seven Segment
vang1ong7ang
🥉
165
178ms
1 May 2026
Seven Segment
rucin93
138
129ms
30 Apr 2026
Seven Segment
codereport
71
34ms
30 Apr 2026
Seven Segment
retrohun
171
2ms
28 Apr 2026
Seven Segment
prestosilver
178
374ms
27 Apr 2026
Seven Segment
MeWhenI
246
182ms
27 Apr 2026
Seven Segment
MeWhenI
178
2ms
27 Apr 2026
Seven Segment
JayXon
🥉
112
2,516ms
26 Apr 2026
Seven Segment
JayXon
💎
124
2ms
25 Apr 2026
Seven Segment
vang1ong7ang
115
10ms
25 Apr 2026
Seven Segment
FortuiteMan
273
334ms
23 Apr 2026
Seven Segment
JayXon
💎
105
143ms
23 Apr 2026
Seven Segment
JayXon
🥇
86
1,298ms
22 Apr 2026
Seven Segment
JayXon
🥈
86
37ms
22 Apr 2026
Seven Segment
JayXon
💎
104
129ms
21 Apr 2026
Seven Segment
Steffan153
🥈
106
146ms
21 Apr 2026
Seven Segment
Steffan153
💎
119
390ms
21 Apr 2026
Seven Segment
Steffan153
🥈
126
1ms
21 Apr 2026
Seven Segment
Steffan153
🥇
86
1,374ms
21 Apr 2026
Seven Segment
Steffan153
🥈
86
39ms
21 Apr 2026
Seven Segment
tomh1012
317
2ms
20 Apr 2026
Seven Segment
Yewzir
🥉
277
1,613ms
19 Apr 2026
Seven Segment
emgordon154
🥈
242
1,672ms
17 Apr 2026
Seven Segment
rucin93
112
8ms
17 Apr 2026
Seven Segment
JayXon
💎
202
1,584ms
16 Apr 2026
Seven Segment
MeWhenI
286
1,712ms
16 Apr 2026
Seven Segment
MostParsingVex
138
2ms
16 Apr 2026
Seven Segment
snoozingnewt
108
502ms
15 Apr 2026
Seven Segment
snoozingnewt
116
10ms
15 Apr 2026
Seven Segment
Shanethegamer
🥈
137
16ms
15 Apr 2026
Seven Segment
denkyuu1
168
35ms
11 Apr 2026
Seven Segment
denkyuu1
188
441ms
11 Apr 2026
Seven Segment
Arkadios200
309
96ms
8 Apr 2026
Seven Segment
osNiko
144
57ms
5 Apr 2026
Seven Segment
Jacob385
254
414ms
1 Apr 2026
Seven Segment
CaedenHarper
87
43ms
30 Mar 2026
Seven Segment
MeWhenI
🥉
139
147ms
27 Mar 2026
Seven Segment
KadinSchultz
190
10ms
26 Mar 2026
Seven Segment
kg583
💎
177
94ms
22 Mar 2026
Seven Segment
GolfingSuccess
🥈
209
45ms
22 Mar 2026
Seven Segment
pardouin
🥇
111
2,425ms
22 Mar 2026
Seven Segment
emgordon154
180
6ms
21 Mar 2026
Seven Segment
Steffan153
🥇
111
2,606ms
21 Mar 2026
Seven Segment
Steffan153
🥇
137
8ms
21 Mar 2026
Seven Segment
kg583
🥈
108
4ms
21 Mar 2026
Seven Segment
kg583
🥉
98
411ms
21 Mar 2026
Seven Segment
kg583
🥉
143
6ms
21 Mar 2026
Seven Segment
kg583
116
10ms
21 Mar 2026
Seven Segment
kg583
🥇
137
6ms
21 Mar 2026
Seven Segment
SuperFola
🥉
272
43ms
19 Mar 2026
Seven Segment
Europe2048
189
10ms
15 Mar 2026
Seven Segment
Steffan153
🥈
132
107ms
14 Mar 2026
Seven Segment
Steffan153
🥈
98
791ms
14 Mar 2026
Seven Segment
Steffan153
108
9ms
14 Mar 2026
Seven Segment
Steffan153
🥈
148
368ms
14 Mar 2026
Seven Segment
Protothor
163
13ms
12 Mar 2026
Seven Segment
edsrzf
💎
92
1,010ms
6 Mar 2026