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
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
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
Calendar
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
Multitap Input
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
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
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
Calendar
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
Multitap Input
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
Odious Numbers
albanian-laundromat
84
271ms
7 days ago
Odious Numbers
ian-h-chamberlain
108
258ms
17 days ago
Odious Numbers
snoozingnewt
87
299ms
25 Oct 2025
Odious Numbers
Babafaba
82
257ms
11 Oct 2025
Odious Numbers
KasperKivimaeki
🥇
81
254ms
29 Sep 2025
Odious Numbers
fuzzylojik-golf
🥇
81
264ms
20 Aug 2025
Odious Numbers
GolfingSuccess
82
268ms
16 Aug 2025
Odious Numbers
ibeucaly
108
266ms
13 Aug 2025
Odious Numbers
dbut2
96
281ms
15 Jul 2025
Odious Numbers
targrik
112
259ms
29 Jun 2025
Odious Numbers
0xjac
86
259ms
17 Jun 2025
Odious Numbers
emgordon154
87
255ms
17 Jan 2025
Odious Numbers
CaedenHarper
86
243ms
12 Dec 2024
Odious Numbers
Mabeloid
150
261ms
22 Sep 2024
Odious Numbers
HumanoidCPU
120
257ms
26 Aug 2024
Odious Numbers
pardouin
82
263ms
23 Aug 2024
Odious Numbers
dokutan
114
277ms
21 Jun 2024
Odious Numbers
neel11235813
123
276ms
26 Mar 2024
Odious Numbers
Steffan153
🥇
81
271ms
7 Feb 2024
Odious Numbers
JRaspass
108
260ms
7 Feb 2024
Odious Numbers
Shanethegamer
82
268ms
7 Feb 2024
Odious Numbers
kkoenig
82
267ms
2 Jan 2024
Odious Numbers
gidHog
110
274ms
20 Nov 2023
Odious Numbers
ben-j-herbertz
114
272ms
20 Nov 2023
Odious Numbers
Betuaredead
82
266ms
13 Nov 2023
Odious Numbers
Yewzir
82
270ms
25 Oct 2023
Odious Numbers
elgan65536
109
265ms
23 Oct 2023
Odious Numbers
DialFrost
82
280ms
26 Sep 2023
Odious Numbers
msbranicky
96
272ms
8 Sep 2023
Odious Numbers
HassanAliKadhem
134
278ms
3 Aug 2023
Odious Numbers
eli-siegel
302
276ms
28 Jun 2023
Odious Numbers
sean-niemann
🥇
81
267ms
17 Jun 2023
Odious Numbers
m-tkach
82
270ms
14 Jun 2023
Odious Numbers
stefangimmillaro
🥇
81
271ms
12 Jun 2023
Odious Numbers
Bodo171
129
267ms
15 Jan 2023
Odious Numbers
retrohun
150
280ms
28 Dec 2022
Odious Numbers
astdefu
118
264ms
11 Dec 2022
Odious Numbers
abrn
123
277ms
30 Jul 2022
Odious Numbers
KatieLG-Transpiler
122
267ms
24 Jun 2022
Odious Numbers
martin-viggiano
110
272ms
17 May 2022
Odious Numbers
KatieLG
120
276ms
9 Apr 2022
Odious Numbers
j-Ewan
108
279ms
10 Mar 2022
Odious Numbers
CuboidRaptor
151
274ms
8 Feb 2022
Odious Numbers
mokymok
145
272ms
10 Nov 2021
Odious Numbers
MeWhenI
82
265ms
4 Nov 2021
Odious Numbers
neerryu
119
273ms
15 Oct 2021
Odious Numbers
cure-honey
106
271ms
26 Jun 2021
Odious Numbers
ei14
140
265ms
18 Jun 2021
Odious Numbers
sisyphus-ppcg
84
263ms
14 Jun 2021
Odious Numbers
janbehrens
84
272ms
12 Jun 2021
Odious Numbers
Lydxn
🥇
81
270ms
25 Mar 2021
Odious Numbers
JayXon
🥇
81
283ms
8 Mar 2021
Odious Numbers
argusdusty
88
275ms
26 Dec 2020
Odious Numbers
doge1338
110
269ms
14 Dec 2020
Odious Numbers
nwellnhof
82
274ms
10 Oct 2020
Odious Numbers
primo-ppcg
84
274ms
10 Oct 2020
Odious Numbers
emplv
82
269ms
1 Oct 2020
Odious Numbers
dpatterbee
84
261ms
20 Aug 2020
Odious Numbers
tsakath
110
274ms
22 Apr 2020
Odious Numbers
bendiscz
82
268ms
21 Apr 2020
Odious Numbers
potatoattack
110
271ms
21 Apr 2020
Odious Numbers
b97tsk
95
278ms
20 Apr 2020
Odious Numbers
lukechampine
110
281ms
19 Apr 2020
Odious Numbers
guliyevemil1
102
280ms
19 Apr 2020
Odious Numbers
MahlerFive
113
276ms
19 Apr 2020
Odious Numbers
jamesallured
108
279ms
18 Apr 2020
Odious Numbers
yzzyx
107
268ms
17 Apr 2020
Odious Numbers
stipo42
123
272ms
17 Apr 2020
Odious Numbers
jerrandolph
108
281ms
17 Apr 2020
Odious Numbers
mazzegi
153
274ms
16 Apr 2020
Odious Numbers
SoMuchForSubtlety
131
269ms
15 Apr 2020