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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
Bytes
Time
Submitted
Foo Fizz Buzz Bar
martindotexe
255
450ms
8 hours ago
Trinomial Triangle
KatieLG
1,790
438ms
34 hours ago
Smooth Numbers
GolfingSuccess
218
1,142ms
3 days ago
Fizz Buzz
martindotexe
156
474ms
7 days ago
γ
JOrE20
1,044
452ms
12 days ago
Gray Code Encoder
GolfingSuccess
219
407ms
17 days ago
Trinomial Triangle
dokutan
🥉
1,186
394ms
17 days ago
Tower of Hanoi
dokutan
266
392ms
17 days ago
Smith Numbers
dokutan
1,226
405ms
17 days ago
Rule 110
dokutan
1,238
399ms
17 days ago
Rijndael S-box
dokutan
🥈
682
400ms
17 days ago
Pascal’s Triangle
dokutan
582
403ms
17 days ago
Partition Numbers
dokutan
558
392ms
17 days ago
N Queens
dokutan
806
391ms
17 days ago
Mandelbrot
dokutan
398
393ms
17 days ago
Look and Say
dokutan
454
387ms
17 days ago
Leyland Numbers
dokutan
702
395ms
17 days ago
Kolakoski Sequence
dokutan
310
405ms
17 days ago
Kaprekar Numbers
dokutan
446
390ms
17 days ago
Hilbert Curve
dokutan
💎
542
381ms
17 days ago
Hexagonal Spiral
dokutan
346
388ms
17 days ago
Farey Sequence
dokutan
2,126
391ms
17 days ago
Factorial Factorisation
dokutan
558
391ms
17 days ago
Diamonds
dokutan
254
393ms
17 days ago
Cubes
dokutan
582
388ms
17 days ago
Catalan Numbers
dokutan
1,862
378ms
17 days ago
Ascending Primes
dokutan
450
371ms
17 days ago
24 Game
dokutan
2,586
390ms
17 days ago
12 Days of Christmas
dokutan
582
384ms
17 days ago
Tongue-twisters
dokutan
🥈
414
390ms
17 days ago
Evil Numbers
JOrE20
🥇
111
391ms
17 days ago
24 Game
rucin93
🥈
445
837ms
19 days ago
Fibonacci
retrohun
176
388ms
20 days ago
Billiards
albanian-laundromat
🥉
386
391ms
21 days ago
Fibonacci
snoozingnewt
117
415ms
22 days ago
Odious Numbers
snoozingnewt
🥇
114
476ms
22 days ago
Evil Numbers
snoozingnewt
🥇
111
449ms
22 days ago
Prime Numbers
snoozingnewt
112
463ms
22 days ago
Emirp Numbers
snoozingnewt
🥉
177
441ms
22 days ago
Happy Numbers
snoozingnewt
🥇
148
426ms
22 days ago
Pernicious Numbers
snoozingnewt
141
439ms
22 days ago
Pangram Grep
ndren
747
617ms
22 days ago
Tower of Hanoi
GolfingSuccess
157
447ms
22 days ago
Niven Numbers (Long)
GolfingSuccess
🥉
130
429ms
23 days ago
Gray Code Decoder
albanian-laundromat
208
442ms
23 days ago
brainfuck
GolfingSuccess
💎
491
2,917ms
24 days ago
Arithmetic Numbers
GolfingSuccess
176
1,265ms
24 days ago
Inventory Sequence
GolfingSuccess
🥉
167
487ms
24 days ago
Abundant Numbers (Long)
GolfingSuccess
143
465ms
24 days ago
Catalan Numbers
GolfingSuccess
🥇
107
485ms
24 days ago
Van Eck Sequence
GolfingSuccess
🥉
183
473ms
24 days ago
Collatz
GolfingSuccess
🥇
142
463ms
24 days ago
Leap Years
GolfingSuccess
🥉
112
465ms
24 days ago
Farey Sequence
GolfingSuccess
🥇
130
460ms
24 days ago
Quine
GolfingSuccess
🥇
164
472ms
24 days ago
Abundant Numbers
GolfingSuccess
143
462ms
24 days ago
Happy Numbers (Long)
GolfingSuccess
🥇
159
765ms
24 days ago
Fibonacci
GolfingSuccess
🥇
101
438ms
24 days ago
Tower of Hanoi
Shanethegamer
138
432ms
25 days ago
Tower of Hanoi
edsrzf
💎
116
427ms
26 days ago
Tower of Hanoi
MeWhenI
141
425ms
26 days ago
Tower of Hanoi
DialFrost
🥉
136
436ms
26 days ago
Tongue-twisters
prestosilver
567
412ms
26 days ago
Christmas Trees
albanian-laundromat
177
415ms
1 Dec 2025
24 Game
KatieLG
4,760
451ms
30 Nov 2025
Arithmetic Numbers
KatieLG
24,277
469ms
30 Nov 2025
Farey Sequence
KatieLG
2,628
465ms
30 Nov 2025
Tower of Hanoi
KatieLG
326
435ms
30 Nov 2025
Tower of Hanoi
CaedenHarper
218
447ms
30 Nov 2025
Fibonacci
voytxt
109
501ms
29 Nov 2025
Minesweeper
emgordon154
🥉
309
951ms
28 Nov 2025
Prime Numbers (Long)
albanian-laundromat
124
547ms
27 Nov 2025
Reversi
albanian-laundromat
🥉
348
909ms
27 Nov 2025
Taxicab Numbers
HumanoidCPU
4,201
415ms
27 Nov 2025
Fibonacci
Andrey2001
126
424ms
26 Nov 2025
Taxicab Numbers
Shanethegamer
4,201
541ms
26 Nov 2025
Topological Sort
albanian-laundromat
💎
307
1,002ms
25 Nov 2025
Fractions
albanian-laundromat
283
446ms
25 Nov 2025
Smooth Numbers
Shanethegamer
267
1,160ms
24 Nov 2025
Connect Four
albanian-laundromat
504
1,603ms
24 Nov 2025