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
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
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
><>
ALGOL 68
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
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
><>
ALGOL 68
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
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
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
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
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
Bytes
Time
Submitted
τ
JOrE20
1,007
3ms
1 Feb 2026
τ
KatieLG
993
3ms
30 Nov 2025
τ
blaztoma
29
276ms
25 Oct 2025
τ
iczelia
29
267ms
11 Oct 2025
τ
snoozingnewt
29
272ms
14 Sep 2025
τ
dokutan
606
28ms
27 Jul 2025
τ
ndren
29
269ms
25 Oct 2024
τ
emgordon154
29
274ms
16 Oct 2024
τ
CaedenHarper
29
290ms
13 Oct 2024
τ
FortuiteMan
29
271ms
29 Sep 2024
τ
pardouin
29
272ms
25 Sep 2024
τ
fuzzylojik-golf
29
274ms
20 Sep 2024
τ
Mabeloid
1,007
2ms
14 Sep 2024
τ
bac0id
1,007
3ms
26 Jun 2024
τ
HumanoidCPU
1,007
3ms
12 Apr 2024
τ
Yewzir
37
266ms
20 Feb 2024
τ
olleicua
1,008
3ms
13 Feb 2024
τ
BREMAUCY
29
265ms
17 Jan 2024
τ
msbranicky
581
3ms
5 Jan 2024
τ
madeforlosers
1,007
3ms
15 Dec 2023
τ
Natanaelel
29
270ms
10 Nov 2023
τ
inventshah
29
279ms
24 Sep 2023
τ
DialFrost
36
275ms
12 Sep 2023
τ
janbehrens
548
3ms
17 Jun 2023
τ
o0lit3
29
271ms
7 Jun 2023
τ
MeWhenI
29
276ms
16 Apr 2023
τ
andersk
29
274ms
4 Mar 2023
τ
JRaspass
29
268ms
1 Mar 2023
τ
neel11235813
29
270ms
16 Feb 2023
τ
GrayJoKing
29
280ms
24 Jan 2023
τ
KatieLG-Transpiler
1,009
3ms
2 Jan 2023
τ
Steffan153
29
265ms
19 Dec 2022
τ
scpchicken
29
269ms
16 Dec 2022
τ
SirBogman
29
266ms
22 Sep 2022
τ
ovs-code
29
281ms
20 Sep 2022
τ
Shanethegamer
75
523ms
20 Jun 2022
τ
nwellnhof
🥇
27
274ms
20 Jun 2022
τ
sisyphus-ppcg
🥇
27
276ms
20 Jun 2022
τ
saito-ta
🥇
27
272ms
17 Jun 2022
τ
sean-niemann
29
271ms
3 Jun 2022
τ
iakolzin
29
274ms
3 Jun 2022
τ
primo-ppcg
29
270ms
24 May 2022
τ
lynn
29
278ms
23 May 2022
τ
Lydxn
29
314ms
23 May 2022
τ
JayXon
29
279ms
23 May 2022
τ
voytxt
1,007
3ms
2 Apr 2022
τ
mokymok
1,007
3ms
8 Nov 2021
τ
SpareManiKatti
1,011
3ms
14 Oct 2021
τ
RYNO8
1,009
3ms
7 Aug 2021
τ
theunofficialcoder
1,007
3ms
2 Aug 2021
τ
mothcolada
1,009
3ms
5 Dec 2020
τ
Waffle3z
1,007
3ms
25 Sep 2020
τ
lancew
1,008
3ms
24 Jul 2020
τ
ElevatorShaft
1,009
3ms
18 Jun 2019
τ
retrohun
1,007
3ms
21 Dec 2018
τ
Mojken
1,007
3ms
3 Sep 2018
τ
rambox11
174
54ms
8 Apr 2018
τ
labster
1,000
4ms
18 Feb 2018
τ
nephila-nacrea
1,007
3ms
17 Jan 2018
τ
kittrz9
1,010
4ms
7 Dec 2017