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
Tutorial
RealBen9
71
13ms
3 days ago
Tutorial
Nathan-Masala
85
27ms
6 days ago
Tutorial
phSHARP
63
12ms
11 days ago
Tutorial
DayDun
61
15ms
11 days ago
Tutorial
F4075
63
13ms
13 days ago
Tutorial
marcuswilcour
61
15ms
19 days ago
Tutorial
weliveinhell
61
15ms
12 Mar 2026
Tutorial
raphaelimahorn
67
13ms
12 Mar 2026
Tutorial
cjdyer
66
15ms
6 Mar 2026
Tutorial
Ultra814
61
16ms
19 Feb 2026
Tutorial
janAkali
157
18ms
14 Feb 2026
Tutorial
junkondo-jp
157
14ms
9 Feb 2026
Tutorial
FoxInTheClouds
61
18ms
5 Feb 2026
Tutorial
FortuiteMan
157
13ms
3 Feb 2026
Tutorial
matricronia
67
14ms
1 Feb 2026
Tutorial
ragonscreen
61
16ms
16 Jan 2026
Tutorial
Roachbones
157
13ms
16 Jan 2026
Tutorial
Mefred
157
13ms
15 Jan 2026
Tutorial
r58iiz
61
14ms
15 Jan 2026
Tutorial
egertaia
61
13ms
9 Jan 2026
Tutorial
segasammy-aia-egert
70
13ms
9 Jan 2026
Tutorial
amazingalek
64
14ms
16 Dec 2025
Tutorial
olavs69
87
12ms
8 Dec 2025
Tutorial
kurkale6ka
79
13ms
8 Dec 2025
Tutorial
Yax42
75
14ms
5 Dec 2025
Tutorial
mirojones
67
13ms
30 Nov 2025
Tutorial
TheZwierzLF
85
14ms
29 Nov 2025
Tutorial
MyltsinVV
68
12ms
26 Nov 2025
Tutorial
Cazka
68
15ms
22 Nov 2025
Tutorial
GodlyProgrammer1
61
16ms
22 Nov 2025
Tutorial
Kate505
157
14ms
21 Nov 2025
Tutorial
JOrE20
61
14ms
18 Nov 2025
Tutorial
Zach1031
157
14ms
14 Nov 2025
Tutorial
Boowie41
70
14ms
10 Nov 2025
Tutorial
larsendaniel
61
15ms
7 Nov 2025
Tutorial
Openstreetmapler
157
16ms
30 Oct 2025
Tutorial
deanacus
69
18ms
23 Oct 2025
Tutorial
audigamer
73
17ms
18 Oct 2025
Tutorial
luuumine
157
14ms
16 Oct 2025
Tutorial
Babafaba
157
14ms
15 Oct 2025
Tutorial
alexsave
67
14ms
16 Sep 2025
Tutorial
snoozingnewt
61
13ms
15 Sep 2025
Tutorial
mrxz
74
13ms
3 Sep 2025
Tutorial
Xanderium
70
15ms
31 Aug 2025
Tutorial
helbling
61
13ms
28 Aug 2025
Tutorial
Vexxter9
157
13ms
21 Aug 2025
Tutorial
YellowDudeIsMe
63
13ms
14 Aug 2025
Tutorial
osNiko
79
18ms
14 Aug 2025
Tutorial
gigaprofisi
72
12ms
10 Aug 2025
Tutorial
adrianbgo
61
15ms
7 Aug 2025
Tutorial
lukepolak
61
14ms
7 Aug 2025
Tutorial
gitchaell
61
15ms
6 Aug 2025
Tutorial
amine4567
68
14ms
2 Aug 2025
Tutorial
penous
63
13ms
2 Aug 2025
Tutorial
dmrichwa
61
14ms
29 Jul 2025
Tutorial
KrausRaus
61
13ms
29 Jul 2025
Tutorial
p01
61
14ms
28 Jul 2025
Tutorial
csharpython
79
13ms
23 Jul 2025
Tutorial
XenThe
68
16ms
15 Jul 2025
Tutorial
mohic
71
15ms
14 Jul 2025
Tutorial
Quadruplay
73
13ms
12 Jul 2025
Tutorial
Bpc-CPU
157
15ms
12 Jul 2025
Tutorial
52525rr
80
13ms
7 Jul 2025
Tutorial
jak-ch-ll
65
12ms
6 Jul 2025
Tutorial
RYSF13
61
14ms
5 Jul 2025
Tutorial
BREMAUCY
61
13ms
1 Jul 2025
Tutorial
DABANANAMAN120
89
15ms
26 Jun 2025
Tutorial
devninjahero
157
13ms
25 Jun 2025
Tutorial
long279595192
65
14ms
20 Jun 2025
Tutorial
a6166231
61
15ms
20 Jun 2025
Tutorial
Andrey-Plotnikov
61
13ms
19 Jun 2025
Tutorial
Ealeex
66
15ms
10 Jun 2025
Tutorial
4very
68
12ms
7 Jun 2025
Tutorial
acollett89
70
14ms
3 Jun 2025
Tutorial
jake6192
68
14ms
30 May 2025
Tutorial
thadeucity
67
14ms
26 May 2025
Tutorial
timothytomato
73
15ms
26 May 2025
Tutorial
Lv0Sys
73
14ms
23 May 2025
Tutorial
cloudyshoe
68
14ms
15 May 2025
Tutorial
c-py
61
12ms
14 May 2025