Recent Solutions
Prev Hole
Play Hole
Next Hole
Achievements
Cheevos
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Multitap Input
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
05AB1E
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
ALGOL 68
ArkScript
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
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Multitap Input
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Morse Encoder
Jonson26
677
409ms
9 hours ago
Morse Encoder
JayXon
💎
172
1,444ms
15 hours ago
Morse Encoder
JayXon
💎
245
1,777ms
19 hours ago
Morse Encoder
jusaka
549
2ms
26 hours ago
Morse Encoder
jusaka
1,127
3ms
26 hours ago
Morse Encoder
jusaka
2,803
16ms
26 hours ago
Morse Encoder
jusaka
911
15ms
26 hours ago
Morse Encoder
jusaka
932
51ms
26 hours ago
Morse Encoder
jusaka
557
3ms
26 hours ago
Morse Encoder
jusaka
629
89ms
26 hours ago
Morse Encoder
jusaka
583
261ms
26 hours ago
Morse Encoder
jusaka
821
64ms
26 hours ago
Morse Encoder
jusaka
579
2,913ms
26 hours ago
Morse Encoder
jusaka
575
2ms
26 hours ago
Morse Encoder
jusaka
🥉
1,127
8ms
32 hours ago
Morse Encoder
jusaka
160
559ms
32 hours ago
Morse Encoder
jusaka
655
170ms
32 hours ago
Morse Encoder
jusaka
1,095
7ms
36 hours ago
Morse Encoder
jusaka
1,157
20ms
36 hours ago
Morse Encoder
MeWhenI
🥈
284
2,288ms
37 hours ago
Morse Encoder
jusaka
1,304
3ms
37 hours ago
Morse Encoder
jusaka
1,104
4ms
38 hours ago
Morse Encoder
jusaka
1,703
4ms
38 hours ago
Morse Encoder
jusaka
1,116
171ms
39 hours ago
Morse Encoder
jusaka
1,008
2ms
41 hours ago
Morse Encoder
jusaka
726
16ms
42 hours ago
Morse Encoder
jusaka
579
5ms
42 hours ago
Morse Encoder
jusaka
1,064
5ms
43 hours ago
Morse Encoder
jusaka
2,099
50ms
43 hours ago
Morse Encoder
jusaka
546
176ms
43 hours ago
Morse Encoder
jusaka
704
3ms
43 hours ago
Morse Encoder
jusaka
1,100
7ms
43 hours ago
Morse Encoder
jusaka
1,940
46ms
44 hours ago
Morse Encoder
jusaka
1,129
3ms
44 hours ago
Morse Encoder
jusaka
1,375
1,558ms
44 hours ago
Morse Encoder
jusaka
1,062
36ms
45 hours ago
Morse Encoder
jusaka
976
239ms
45 hours ago
Morse Encoder
jusaka
776
125ms
45 hours ago
Morse Encoder
jusaka
1,007
8ms
46 hours ago
Morse Encoder
jusaka
662
2,078ms
46 hours ago
Morse Encoder
jusaka
637
648ms
46 hours ago
Morse Encoder
jusaka
972
414ms
46 hours ago
Morse Encoder
jusaka
972
524ms
46 hours ago
Morse Encoder
jusaka
899
1,765ms
46 hours ago
Morse Encoder
jusaka
853
88ms
46 hours ago
Morse Encoder
jusaka
930
5ms
46 hours ago
Morse Encoder
jusaka
714
145ms
46 hours ago
Morse Encoder
jusaka
804
145ms
47 hours ago
Morse Encoder
jusaka
1,047
323ms
47 hours ago
Morse Encoder
jusaka
743
2,592ms
47 hours ago
Morse Encoder
jusaka
1,123
346ms
47 hours ago
Morse Encoder
jusaka
783
510ms
2 days ago
Morse Encoder
jusaka
808
37ms
2 days ago
Morse Encoder
jusaka
703
3ms
2 days ago
Morse Encoder
jusaka
876
2ms
2 days ago
Morse Encoder
jusaka
705
12ms
2 days ago
Morse Encoder
jusaka
94
3ms
2 days ago
Morse Encoder
solisolu
202
10ms
2 days ago
Morse Encoder
scpchicken
160
10ms
4 days ago
Morse Encoder
flekAI
160
473ms
5 days ago
Morse Encoder
flekAI
160
10ms
5 days ago
Morse Encoder
jusaka
157
10ms
5 days ago
Morse Encoder
2bular
🥉
86
3ms
5 days ago
Morse Encoder
KasperKivimaeki
🥈
151
54ms
6 days ago
Morse Encoder
KasperKivimaeki
🥈
131
2ms
8 days ago
Morse Encoder
kmathis22
251
464ms
8 days ago
Morse Encoder
vang1ong7ang
220
161ms
9 days ago
Morse Encoder
madex
458
2ms
11 days ago
Morse Encoder
madex
374
2,650ms
11 days ago
Morse Encoder
madex
334
3ms
11 days ago
Morse Encoder
madex
413
285ms
11 days ago
Morse Encoder
Nathan-Masala
543
11ms
12 days ago
Morse Encoder
StefanHabel
199
10ms
13 days ago
Morse Encoder
madeforlosers
168
11ms
14 days ago
Morse Encoder
dokutan
115
86ms
20 days ago
Morse Encoder
aksyristos
160
10ms
21 days ago
Morse Encoder
MeWhenI
🥈
156
150ms
21 days ago
Morse Encoder
Steffan153
💎
200
29ms
22 days ago
Morse Encoder
Steffan153
🥇
137
9ms
22 days ago
Morse Encoder
Steffan153
🥇
83
63ms
22 days ago