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Calendar
hole will go live in approximately
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. Why not try and solve it ahead of time?
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Achievements
Cheevos
Golfers
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All Holes
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
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
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
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)
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
Calendar
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
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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
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
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
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
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
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)
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
Calendar
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
√2
LostSyntax21
66
42ms
52 mins ago
Diamonds
plcc0
70
40ms
2 hours ago
Quine
radarek
🥇
25
37ms
3 hours ago
Pangram Grep
radarek
🥇
39
37ms
3 hours ago
Gijswijt’s Sequence
radarek
💎
51
2,274ms
3 hours ago
DFA Simulator
TheZwierzLF
230
54ms
3 hours ago
Vampire Numbers
TheZwierzLF
156
4,067ms
8 hours ago
Star Wars Opening Crawl
TheZwierzLF
365
37ms
8 hours ago
Calendar
D-MOVE
136
36ms
17 hours ago
Calendar
aksyristos
603
38ms
23 hours ago
ln 2
aksyristos
60
42ms
24 hours ago
Gijswijt’s Sequence
blaztoma
86
619ms
24 hours ago
Sudoku
dokutan
944
65ms
29 hours ago
Hexagonal Spiral
TheZwierzLF
1,141
35ms
30 hours ago
Tutorial
TheZwierzLF
28
44ms
30 hours ago
π
TheZwierzLF
183
124ms
30 hours ago
Morse Encoder
TheZwierzLF
296
37ms
31 hours ago
Sudoku (Fill-in)
TheZwierzLF
478
117ms
31 hours ago
Farey Sequence
TheZwierzLF
60
36ms
32 hours ago
Rule 110
TheZwierzLF
112
84ms
32 hours ago
Quine
TheZwierzLF
28
35ms
32 hours ago
Proximity Grid
TheZwierzLF
164
61ms
32 hours ago
brainfuck
TheZwierzLF
142
37ms
33 hours ago
Pascal’s Triangle
TheZwierzLF
55
34ms
33 hours ago
Hilbert Curve
TheZwierzLF
591
36ms
33 hours ago
CSS Colors
TheZwierzLF
2,065
42ms
33 hours ago
Set
TheZwierzLF
94
60ms
33 hours ago
Jacobi Symbol
TheZwierzLF
142
33ms
33 hours ago
Divisors
TheZwierzLF
44
36ms
33 hours ago
PalindromemordnilaP
TheZwierzLF
75
36ms
33 hours ago
√2
m-tkach
74
42ms
33 hours ago
π
m-tkach
63
42ms
33 hours ago
12 Days of Christmas
D-MOVE
2,374
33ms
34 hours ago
Kolakoski Constant
KatieLG
123
109ms
34 hours ago
φ
KatieLG
65
37ms
34 hours ago
√2
KatieLG
57
39ms
34 hours ago
τ
KatieLG
66
43ms
34 hours ago
π
KatieLG
62
48ms
34 hours ago
Mahjong
pardouin
🥈
128
2,273ms
34 hours ago
24 Game
pardouin
💎
96
2,770ms
34 hours ago
Quine
pardouin
🥇
25
34ms
35 hours ago
Seven Segment
TheZwierzLF
170
34ms
47 hours ago
Hexagonal Spiral
bitsandbeyond
159
36ms
2 days ago
√2
dokutan
57
43ms
2 days ago
φ
dokutan
68
41ms
2 days ago
π
dokutan
58
48ms
2 days ago
ln 2
dokutan
58
57ms
2 days ago
Scrambled Sort
TheZwierzLF
74
37ms
2 days ago
Odious Numbers
JOrE20
30
33ms
2 days ago
Evil Numbers
JOrE20
29
34ms
2 days ago
Quine
ndren
🥇
25
37ms
2 days ago
Quine
CornerMercury
🥇
25
37ms
2 days ago
√2
BREMAUCY
58
39ms
2 days ago
τ
BREMAUCY
58
41ms
2 days ago
π
BREMAUCY
54
44ms
2 days ago
ln 2
BREMAUCY
53
42ms
2 days ago
Quine
BREMAUCY
🥇
25
36ms
2 days ago
π
emgordon154
54
42ms
2 days ago
τ
emgordon154
59
39ms
2 days ago
Sudoku
emgordon154
341
44ms
2 days ago
Quine
emgordon154
🥇
25
33ms
2 days ago
Quine
JayXon
🥇
25
35ms
2 days ago
Calendar
olleicua
201
36ms
2 days ago
Quine
Yewzir
🥇
25
37ms
2 days ago
√2
Yewzir
79
39ms
2 days ago
τ
Yewzir
65
43ms
2 days ago
π
Yewzir
62
43ms
2 days ago
√2
olleicua
70
41ms
2 days ago
Transpose Sentence
TheZwierzLF
57
42ms
2 days ago
Lucky Numbers
TheZwierzLF
80
1,831ms
2 days ago
Hexdump
TheZwierzLF
195
35ms
2 days ago
Gijswijt’s Sequence
TheZwierzLF
110
152ms
2 days ago
Mandelbrot
TheZwierzLF
124
2,395ms
3 days ago
Quine
MeWhenI
🥇
25
34ms
3 days ago
Quine
snoozingnewt
🥇
25
32ms
3 days ago
Medal Tally
TheZwierzLF
242
40ms
3 days ago
π
CaedenHarper
65
40ms
3 days ago
Quine
CaedenHarper
🥇
25
34ms
3 days ago
Quine
GolfingSuccess
🥇
25
36ms
3 days ago
Quine
DialFrost
🥇
25
35ms
3 days ago