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
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
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
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
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
ALGOL 68
APL
ArkScript
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
><>
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
ALGOL 68
APL
ArkScript
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
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
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
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
φ
plcc0
18
23ms
5 hours ago
φ
sean-niemann
💎
107
241ms
15 hours ago
φ
Aquateraneal
87
13ms
21 hours ago
φ
dokutan
68
63ms
22 hours ago
φ
dokutan
60
12ms
25 hours ago
φ
dokutan
59
345ms
25 hours ago
φ
Natanaelel
15
43ms
25 hours ago
φ
Steffan153
🥇
34
805ms
39 hours ago
φ
JOrE20
1,010
1,169ms
3 days ago
φ
Steffan153
126
130ms
4 days ago
φ
JOrE20
1,050
352ms
4 days ago
φ
JOrE20
1,015
140ms
4 days ago
φ
Yewzir
240
1ms
6 days ago
φ
JOrE20
83
56ms
7 days ago
φ
JOrE20
71
30ms
7 days ago
φ
ndren
🥇
52
222ms
7 days ago
φ
Shanethegamer
1,010
5ms
7 days ago
φ
Shanethegamer
1,011
2ms
7 days ago
φ
JOrE20
1,017
21ms
7 days ago
φ
elgan65536
246
121ms
8 days ago
φ
dokutan
244
2ms
9 days ago
φ
HumanoidCPU
1,011
2ms
9 days ago
φ
Thinkr1
77
36ms
12 days ago
φ
SuperFola
1,010
5ms
12 days ago
φ
Andrey2001
74
480ms
17 days ago
φ
bac0id
1,011
1ms
20 days ago
φ
dokutan
271
75ms
22 days ago
φ
retrohun
1,185
1,690ms
23 days ago
φ
JayXon
💎
141
1,718ms
24 days ago
φ
emgordon154
🥈
142
1,750ms
24 days ago
φ
DialFrost
52
64ms
27 days ago
φ
DialFrost
24
58ms
27 days ago
φ
DialFrost
155
1,624ms
27 days ago
φ
primo-ppcg
💎
117
92ms
17 Jan 2026
φ
plcc0
54
25ms
13 Jan 2026
φ
dokutan
228
8ms
11 Jan 2026
φ
fuzzylojik-golf
🥈
94
535ms
9 Jan 2026
φ
KatieLG-Transpiler
1,006
2ms
9 Jan 2026
φ
KatieLG-Transpiler
1,011
9ms
9 Jan 2026
φ
KatieLG-Transpiler
1,009
4ms
9 Jan 2026
φ
KatieLG
60
40ms
7 Jan 2026
φ
jkelly467
71
2,230ms
7 Jan 2026
φ
TheZwierzLF
100
42ms
6 Jan 2026
φ
celiendonze
74
12ms
6 Jan 2026
φ
dokutan
🥈
689
11ms
5 Jan 2026
φ
JOrE20
1,002
3ms
4 Jan 2026
φ
JOrE20
1,011
2,063ms
4 Jan 2026
φ
JOrE20
1,010
62ms
4 Jan 2026
φ
JOrE20
1,050
297ms
4 Jan 2026
φ
JOrE20
1,010
32ms
4 Jan 2026
φ
JOrE20
1,048
10ms
4 Jan 2026
φ
JOrE20
1,020
377ms
4 Jan 2026
φ
JOrE20
1,286
1,600ms
4 Jan 2026
φ
JOrE20
1,204
1,876ms
4 Jan 2026
φ
JOrE20
1,011
67ms
4 Jan 2026
φ
JOrE20
1,013
40ms
4 Jan 2026
φ
JOrE20
1,013
70ms
4 Jan 2026
φ
JOrE20
1,008
5ms
4 Jan 2026
φ
JOrE20
1,008
1,021ms
4 Jan 2026
φ
JOrE20
1,056
2ms
4 Jan 2026
φ
JOrE20
1,011
101ms
4 Jan 2026
φ
JOrE20
1,009
3ms
4 Jan 2026
φ
JOrE20
1,050
104ms
4 Jan 2026
φ
JOrE20
1,019
2ms
4 Jan 2026
φ
JOrE20
1,011
2ms
4 Jan 2026
φ
JOrE20
1,004
39ms
4 Jan 2026
φ
JOrE20
1,007
2ms
4 Jan 2026
φ
JOrE20
1,026
2ms
4 Jan 2026
φ
JOrE20
1,009
117ms
4 Jan 2026
φ
JOrE20
1,011
151ms
4 Jan 2026
φ
JOrE20
1,011
470ms
4 Jan 2026
φ
JOrE20
1,012
7ms
4 Jan 2026
φ
JOrE20
1,016
117ms
4 Jan 2026
φ
JOrE20
1,012
4ms
4 Jan 2026
φ
JOrE20
1,042
150ms
4 Jan 2026
φ
JOrE20
1,020
126ms
4 Jan 2026
φ
JOrE20
1,012
77ms
4 Jan 2026
φ
JOrE20
1,007
4ms
4 Jan 2026
φ
JOrE20
1,072
40ms
4 Jan 2026
φ
JOrE20
1,114
1,780ms
4 Jan 2026