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
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
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
Trinomial Triangle
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
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
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
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
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
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
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
Erlang
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
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
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
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
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Forsyth–Edwards Notation
plcc0
150
28 hours ago
Forsyth–Edwards Notation
Yax42
155
31 hours ago
Forsyth–Edwards Notation
snoozingnewt
279
2 days ago
Forsyth–Edwards Notation
maweowo
100
2 days ago
Forsyth–Edwards Notation
namelessiw
🥉
153
2 days ago
Forsyth–Edwards Notation
KasperKivimaeki
💎
177
2 days ago
Forsyth–Edwards Notation
bitsandbeyond
🥈
82
3 days ago
Forsyth–Edwards Notation
stefangimmillaro
164
4 days ago
Forsyth–Edwards Notation
CaedenHarper
159
6 days ago
Forsyth–Edwards Notation
blaztoma
147
12 days ago
Forsyth–Edwards Notation
Schmitt-Very-Cool
275
13 days ago
Forsyth–Edwards Notation
kg583
167
13 days ago
Forsyth–Edwards Notation
Andrey-Plotnikov
135
13 days ago
Forsyth–Edwards Notation
edsrzf
🥇
93
14 days ago
Forsyth–Edwards Notation
albanian-laundromat
🥇
93
14 days ago
Forsyth–Edwards Notation
JayXon
💎
151
14 days ago
Forsyth–Edwards Notation
nwellnhof
🥈
152
15 days ago
Forsyth–Edwards Notation
sean-niemann
155
15 days ago
Forsyth–Edwards Notation
dokutan
477
15 days ago
Forsyth–Edwards Notation
Shanethegamer
154
15 days ago
Forsyth–Edwards Notation
DialFrost
159
15 days ago
Forsyth–Edwards Notation
edsrzf
162
15 days ago
Forsyth–Edwards Notation
kg583
🥈
154
16 days ago
Forsyth–Edwards Notation
ovs-code
76
16 days ago
Forsyth–Edwards Notation
Widgitty
249
16 days ago
Forsyth–Edwards Notation
dokutan
281
17 days ago
Forsyth–Edwards Notation
qpwoeirut
148
21 days ago
Forsyth–Edwards Notation
tomh1012
241
23 days ago
Forsyth–Edwards Notation
CaedenHarper
🥉
108
23 days ago
Forsyth–Edwards Notation
MeWhenI
139
25 days ago
Forsyth–Edwards Notation
snoozingnewt
349
25 days ago
Forsyth–Edwards Notation
snoozingnewt
223
12 Sep 2025
Forsyth–Edwards Notation
snoozingnewt
148
12 Sep 2025
Forsyth–Edwards Notation
snoozingnewt
156
12 Sep 2025
Forsyth–Edwards Notation
dokutan
540
11 Sep 2025
Forsyth–Edwards Notation
InigoK
140
10 Sep 2025
Forsyth–Edwards Notation
BREMAUCY
179
8 Sep 2025
Forsyth–Edwards Notation
albanian-laundromat
202
7 Sep 2025
Forsyth–Edwards Notation
edsrzf
82
2 Sep 2025
Forsyth–Edwards Notation
commandblockguy
138
1 Sep 2025
Forsyth–Edwards Notation
edsrzf
99
31 Aug 2025
Forsyth–Edwards Notation
DialFrost
🥉
108
31 Aug 2025
Forsyth–Edwards Notation
dokutan
450
29 Aug 2025
Forsyth–Edwards Notation
edsrzf
🥉
149
23 Aug 2025
Forsyth–Edwards Notation
CaedenHarper
137
23 Aug 2025
Forsyth–Edwards Notation
Msleizak
751
22 Aug 2025
Forsyth–Edwards Notation
edsrzf
🥉
155
22 Aug 2025
Forsyth–Edwards Notation
aditsu
157
12 Aug 2025
Forsyth–Edwards Notation
aditsu
50
12 Aug 2025
Forsyth–Edwards Notation
CaedenHarper
128
11 Aug 2025
Forsyth–Edwards Notation
CaedenHarper
137
11 Aug 2025
Forsyth–Edwards Notation
acollett89
200
8 Aug 2025
Forsyth–Edwards Notation
albanian-laundromat
148
4 Aug 2025
Forsyth–Edwards Notation
targrik
🥉
123
1 Aug 2025
Forsyth–Edwards Notation
Zhenyu-Bo
338
31 Jul 2025
Forsyth–Edwards Notation
rucin93
💎
160
29 Jul 2025
Forsyth–Edwards Notation
YAJUE114514
186
28 Jul 2025
Forsyth–Edwards Notation
edsrzf
155
27 Jul 2025
Forsyth–Edwards Notation
edsrzf
🥉
169
27 Jul 2025
Forsyth–Edwards Notation
edsrzf
🥈
168
26 Jul 2025
Forsyth–Edwards Notation
ovs-code
98
25 Jul 2025
Forsyth–Edwards Notation
Upload-and-View
600
25 Jul 2025
Forsyth–Edwards Notation
edsrzf
127
25 Jul 2025
Forsyth–Edwards Notation
madex
160
24 Jul 2025
Forsyth–Edwards Notation
GrayJoKing
🥈
152
24 Jul 2025
Forsyth–Edwards Notation
yjgnaw
216
24 Jul 2025
Forsyth–Edwards Notation
pardouin
106
23 Jul 2025
Forsyth–Edwards Notation
pardouin
100
23 Jul 2025
Forsyth–Edwards Notation
madex
185
23 Jul 2025
Forsyth–Edwards Notation
bzijlema
130
23 Jul 2025
Forsyth–Edwards Notation
zhaohm14
156
23 Jul 2025
Forsyth–Edwards Notation
klixel
345
23 Jul 2025
Forsyth–Edwards Notation
edsrzf
💎
146
23 Jul 2025
Forsyth–Edwards Notation
madex
362
20 Jul 2025
Forsyth–Edwards Notation
madex
165
20 Jul 2025