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
Bytes
Time
Submitted
Musical Chords
vang1ong7ang
274
189ms
16 hours ago
Musical Chords
madex
393
4ms
43 hours ago
Musical Chords
madex
370
2,619ms
43 hours ago
Musical Chords
madex
897
338ms
43 hours ago
Musical Chords
madex
554
3ms
43 hours ago
Musical Chords
madex
743
289ms
43 hours ago
Musical Chords
madex
428
1,478ms
43 hours ago
Musical Chords
jusaka
274
183ms
2 days ago
Musical Chords
targrik
257
15ms
4 days ago
Musical Chords
albanian-laundromat
🥈
607
13ms
5 days ago
Musical Chords
jusaka
174
11ms
5 days ago
Musical Chords
rucin93
🥇
208
6ms
5 days ago
Musical Chords
albanian-laundromat
🥇
208
3ms
5 days ago
Musical Chords
albanian-laundromat
💎
340
4ms
5 days ago
Musical Chords
madex
298
12ms
8 days ago
Musical Chords
madex
359
3ms
8 days ago
Musical Chords
aksyristos
174
11ms
10 days ago
Musical Chords
albanian-laundromat
💎
500
21ms
11 days ago
Musical Chords
MeWhenI
🥈
211
143ms
11 days ago
Musical Chords
blaztoma
190
6ms
12 days ago
Musical Chords
blaztoma
95
37ms
13 days ago
Musical Chords
blaztoma
131
11ms
13 days ago
Musical Chords
tomh1012
558
467ms
14 days ago
Musical Chords
albanian-laundromat
💎
274
45ms
15 days ago
Musical Chords
BREMAUCY
331
20ms
15 days ago
Musical Chords
emgordon154
319
11ms
18 days ago
Musical Chords
madex
399
1,303ms
23 days ago
Musical Chords
madex
351
532ms
23 days ago
Musical Chords
madex
362
433ms
23 days ago
Musical Chords
Yewzir
1,066
1,374ms
24 days ago
Musical Chords
emgordon154
💎
349
1,452ms
10 Mar 2026
Musical Chords
albanian-laundromat
💎
277
909ms
7 Mar 2026
Musical Chords
LostSyntax21
183
20ms
6 Mar 2026
Musical Chords
kmathis22
1,035
1,360ms
6 Mar 2026
Musical Chords
kmathis22
832
526ms
6 Mar 2026
Musical Chords
kmathis22
730
468ms
6 Mar 2026
Musical Chords
kmathis22
691
405ms
6 Mar 2026
Musical Chords
BREMAUCY
3,765
3ms
6 Mar 2026
Musical Chords
BREMAUCY
668
483ms
6 Mar 2026
Musical Chords
CaedenHarper
🥈
53,491
356ms
5 Mar 2026
Musical Chords
aksyristos
2,950
175ms
4 Mar 2026
Musical Chords
aksyristos
3,216
534ms
4 Mar 2026
Musical Chords
aksyristos
3,060
2ms
4 Mar 2026
Musical Chords
StefanHabel
243
17ms
1 Mar 2026
Musical Chords
Lv0Sys
149
39ms
28 Feb 2026
Musical Chords
Lv0Sys
177
16ms
27 Feb 2026
Musical Chords
Lv0Sys
266
282ms
27 Feb 2026
Musical Chords
Lv0Sys
180
19ms
27 Feb 2026
Musical Chords
KatieLG
🦄
7,474
17ms
21 Feb 2026
Musical Chords
snoozingnewt
166
527ms
20 Feb 2026
Musical Chords
snoozingnewt
174
11ms
20 Feb 2026
Musical Chords
JOrE20
894
423ms
20 Feb 2026
Musical Chords
JOrE20
408
17ms
20 Feb 2026
Musical Chords
JOrE20
4,159
1,420ms
20 Feb 2026
Musical Chords
kg583
258
33ms
19 Feb 2026
Musical Chords
Flekay
174
12ms
19 Feb 2026
Musical Chords
AstroOrbis
390
19ms
17 Feb 2026
Musical Chords
Steffan153
🥈
104
1,808ms
15 Feb 2026
Musical Chords
edsrzf
💎
103
1,036ms
15 Feb 2026
Musical Chords
Steffan153
95
16ms
15 Feb 2026
Musical Chords
Steffan153
101
1,270ms
12 Feb 2026
Musical Chords
Steffan153
🥉
91
44ms
12 Feb 2026
Musical Chords
Steffan153
133
448ms
12 Feb 2026
Musical Chords
Steffan153
146
18ms
12 Feb 2026
Musical Chords
JayXon
🥇
157
210ms
12 Feb 2026
Musical Chords
JayXon
🥇
87
338ms
12 Feb 2026
Musical Chords
JayXon
💎
102
438ms
12 Feb 2026
Musical Chords
JayXon
🥇
116
22ms
12 Feb 2026
Musical Chords
pengu1n-master
508
19ms
10 Feb 2026
Musical Chords
plcc0
189
33ms
10 Feb 2026
Musical Chords
snoozingnewt
🥉
378
264ms
10 Feb 2026
Musical Chords
acotis
🥈
205
239ms
10 Feb 2026
Musical Chords
dokutan
512
64ms
8 Feb 2026
Musical Chords
JOrE20
503
996ms
8 Feb 2026
Musical Chords
JOrE20
5,000
261ms
7 Feb 2026
Musical Chords
sean-niemann
🥈
193
381ms
6 Feb 2026
Musical Chords
sean-niemann
102
1,369ms
5 Feb 2026
Musical Chords
sean-niemann
134
664ms
5 Feb 2026
Musical Chords
sean-niemann
148
19ms
5 Feb 2026
Musical Chords
sean-niemann
92
42ms
5 Feb 2026