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
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
Topological Sort
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
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
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
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
Topological Sort
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Morse Encoder
emgordon154
🥈
324
14 hours ago
Morse Encoder
edsrzf
💎
318
44 hours ago
Morse Encoder
ryyyn
162
4 days ago
Morse Encoder
BREMAUCY
189
6 days ago
Morse Encoder
mossiegoat
490
7 days ago
Morse Encoder
kaascevich
298
8 days ago
Morse Encoder
andrewjc2000
227
12 days ago
Morse Encoder
acollett89
404
15 days ago
Morse Encoder
RaBa21
340
17 days ago
Morse Encoder
edsrzf
222
17 days ago
Morse Encoder
codewrite
355
18 days ago
Morse Encoder
Flekay
234
19 days ago
Morse Encoder
ndren
273
20 days ago
Morse Encoder
vgamula
345
22 days ago
Morse Encoder
gigaprofisi
1,115
23 days ago
Morse Encoder
dokutan
868
26 days ago
Morse Encoder
dokutan
🥉
713
27 days ago
Morse Encoder
dokutan
924
1 Jul 2025
Morse Encoder
albanian-laundromat
347
29 Jun 2025
Morse Encoder
primo-ppcg
💎
369
20 Jun 2025
Morse Encoder
randolchance
294
20 Jun 2025
Morse Encoder
CheeseCake628
345
20 Jun 2025
Morse Encoder
4ndyJ
380
19 Jun 2025
Morse Encoder
edsrzf
💎
190
19 Jun 2025
Morse Encoder
ovs-code
171
17 Jun 2025
Morse Encoder
juliansiebert
298
15 Jun 2025
Morse Encoder
madex
311
11 Jun 2025
Morse Encoder
Lv0Sys
247
9 Jun 2025
Morse Encoder
Lv0Sys
545
9 Jun 2025
Morse Encoder
0xjac
450
9 Jun 2025
Morse Encoder
SoliGhost
352
8 Jun 2025
Morse Encoder
targrik
185
7 Jun 2025
Morse Encoder
emgordon154
🥈
185
7 Jun 2025
Morse Encoder
SirBogman
🥈
215
3 Jun 2025
Morse Encoder
TheZwierzLF
344
30 May 2025
Morse Encoder
JayXon
💎
132
24 May 2025
Morse Encoder
error256
146
23 May 2025
Morse Encoder
error256
🥇
172
23 May 2025
Morse Encoder
CLOStrophobic
💎
190
23 May 2025
Morse Encoder
kg583
💎
217
22 May 2025
Morse Encoder
kg583
🥈
196
22 May 2025
Morse Encoder
kg583
158
22 May 2025
Morse Encoder
kg583
148
22 May 2025
Morse Encoder
JayXon
💎
192
22 May 2025
Morse Encoder
acotis
🥈
196
22 May 2025
Morse Encoder
emgordon154
🥈
395
22 May 2025
Morse Encoder
inventshah
174
20 May 2025
Morse Encoder
MyXoToD
1,119
19 May 2025
Morse Encoder
JayXon
💎
143
18 May 2025
Morse Encoder
emgordon154
245
17 May 2025
Morse Encoder
pardouin
🥈
149
17 May 2025
Morse Encoder
marshallward
🥉
234
7 May 2025
Morse Encoder
sean-niemann
161
30 Apr 2025
Morse Encoder
sean-niemann
🥉
155
30 Apr 2025
Morse Encoder
dokutan
🥈
430
29 Apr 2025
Morse Encoder
Voltrifrodec
642
29 Apr 2025
Morse Encoder
stefangimmillaro
💎
210
26 Apr 2025
Morse Encoder
albanian-laundromat
306
24 Apr 2025
Morse Encoder
dokutan
296
21 Apr 2025
Morse Encoder
KatieLG
181
19 Apr 2025
Morse Encoder
emgordon154
193
19 Apr 2025
Morse Encoder
emgordon154
204
19 Apr 2025
Morse Encoder
Troon
213
18 Apr 2025
Morse Encoder
smclaughlin-cf
324
15 Apr 2025
Morse Encoder
Shanethegamer
💎
336
14 Apr 2025
Morse Encoder
bitsandbeyond
💎
119
10 Apr 2025
Morse Encoder
frankgraziano
230
5 Apr 2025
Morse Encoder
frankgraziano
🥉
203
5 Apr 2025
Morse Encoder
Chinay-Domitrix
1,324
1 Apr 2025
Morse Encoder
dokutan
217
30 Mar 2025
Morse Encoder
dokutan
241
30 Mar 2025
Morse Encoder
edsrzf
226
29 Mar 2025
Morse Encoder
dokutan
313
28 Mar 2025
Morse Encoder
moustave
235
28 Mar 2025
Morse Encoder
JayXon
🥇
131
23 Mar 2025