Recent Solutions
Prev Hole
Play Hole
Next Hole
Golfers
Solutions
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
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
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
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
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
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Gleam
Go
GolfScript
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
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
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
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
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Chars
Submitted
12 Days of Christmas
denisfouchard
485
70 mins ago
12 Days of Christmas
mossiegoat
213
3 days ago
12 Days of Christmas
blaztoma
454
3 days ago
12 Days of Christmas
InigoK
205
6 days ago
12 Days of Christmas
wobblybits
539
6 days ago
12 Days of Christmas
Baroniket
210
7 days ago
12 Days of Christmas
xiaoyiming123
505
9 days ago
12 Days of Christmas
oween12
500
13 days ago
12 Days of Christmas
jacklee1792
471
14 days ago
12 Days of Christmas
jtyliu
468
14 days ago
12 Days of Christmas
GeorgeStatho
547
15 days ago
12 Days of Christmas
amine4567
2,385
17 days ago
12 Days of Christmas
Zhenyu-Bo
923
19 days ago
12 Days of Christmas
sayloren
576
21 days ago
12 Days of Christmas
cpchenpi
2,381
22 days ago
12 Days of Christmas
wuduculfre
473
24 days ago
12 Days of Christmas
jasonxue1
499
25 days ago
12 Days of Christmas
Upload-and-View
649
23 Jul 2025
12 Days of Christmas
UwUcifer
538
23 Jul 2025
12 Days of Christmas
RaBa21
262
21 Jul 2025
12 Days of Christmas
Sharrrkkk
549
21 Jul 2025
12 Days of Christmas
LuisGoncalves05
474
18 Jul 2025
12 Days of Christmas
LeoTheMiner12
394
17 Jul 2025
12 Days of Christmas
fkantelberg
271
15 Jul 2025
12 Days of Christmas
Nyandereian
511
15 Jul 2025
12 Days of Christmas
smaass
471
12 Jul 2025
12 Days of Christmas
benjah05
2,423
12 Jul 2025
12 Days of Christmas
maxliuql
590
11 Jul 2025
12 Days of Christmas
Flekay
234
10 Jul 2025
12 Days of Christmas
imnotAlexKnight
556
10 Jul 2025
12 Days of Christmas
bogosorter
496
9 Jul 2025
12 Days of Christmas
iliao2345
558
8 Jul 2025
12 Days of Christmas
noanabeshima
675
8 Jul 2025
12 Days of Christmas
atimes3
679
6 Jul 2025
12 Days of Christmas
idaflux
539
4 Jul 2025
12 Days of Christmas
qpwoeirut
477
4 Jul 2025
12 Days of Christmas
Naitzirch
297
3 Jul 2025
12 Days of Christmas
amberzit
266
3 Jul 2025
12 Days of Christmas
duckyluuk
🥇
191
3 Jul 2025
12 Days of Christmas
a-pinch-ofsalt
711
3 Jul 2025
12 Days of Christmas
dirckvdende
459
29 Jun 2025
12 Days of Christmas
1024An
596
29 Jun 2025
12 Days of Christmas
Mukundan314
206
29 Jun 2025
12 Days of Christmas
MasterGodzilla
528
26 Jun 2025
12 Days of Christmas
raymur
500
26 Jun 2025
12 Days of Christmas
bknower
501
25 Jun 2025
12 Days of Christmas
ardordeleon36
2,381
23 Jun 2025
12 Days of Christmas
gautambp
560
22 Jun 2025
12 Days of Christmas
shawncrabtree
549
21 Jun 2025
12 Days of Christmas
HagenFritz
525
19 Jun 2025
12 Days of Christmas
tejapvk
508
18 Jun 2025
12 Days of Christmas
fuzzylojik-golf
473
13 Jun 2025
12 Days of Christmas
CoolBvll
475
12 Jun 2025
12 Days of Christmas
smilesformiles3
466
11 Jun 2025
12 Days of Christmas
Rogacz
506
9 Jun 2025
12 Days of Christmas
brandongumby
530
8 Jun 2025
12 Days of Christmas
kbeat
510
6 Jun 2025
12 Days of Christmas
Brokames
517
6 Jun 2025
12 Days of Christmas
TheZwierzLF
479
5 Jun 2025
12 Days of Christmas
TiagoCosta04
481
1 Jun 2025
12 Days of Christmas
rucin93
270
31 May 2025
12 Days of Christmas
Lv0Sys
458
29 May 2025
12 Days of Christmas
zhaohm14
294
28 May 2025
12 Days of Christmas
KAKISKA-code
820
24 May 2025
12 Days of Christmas
damoose717
501
23 May 2025
12 Days of Christmas
ffelixm
512
22 May 2025
12 Days of Christmas
Moltres-Galar
297
16 May 2025
12 Days of Christmas
40fied4t
506
15 May 2025
12 Days of Christmas
jwfiredragon
546
15 May 2025
12 Days of Christmas
madeforlosers
2,381
8 May 2025
12 Days of Christmas
ocean0821
371
7 May 2025
12 Days of Christmas
Openstreetmapler
209
6 May 2025
12 Days of Christmas
ryyyn
432
30 Apr 2025
12 Days of Christmas
jrappeneker
616
24 Apr 2025
12 Days of Christmas
lukelarson
471
22 Apr 2025