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
Leap Years
KatieLG
598
123ms
9 days ago
Leap Years
CaedenHarper
735
107ms
16 Aug 2025
Leap Years
fuzzylojik-golf
36
104ms
28 Jun 2025
Leap Years
yokasuretsu
40
314ms
2 Jan 2025
Leap Years
alphafalfa
52
209ms
9 Dec 2024
Leap Years
dokutan
44
167ms
14 Oct 2024
Leap Years
Mabeloid
735
127ms
22 Sep 2024
Leap Years
helbling
36
135ms
19 Aug 2024
Leap Years
HumanoidCPU
735
109ms
18 May 2024
Leap Years
error256
38
160ms
13 May 2024
Leap Years
voytxt
39
174ms
11 Mar 2024
Leap Years
Yewzir
47
123ms
7 Feb 2024
Leap Years
roguh
41
248ms
14 Jan 2024
Leap Years
snoozingnewt
55
115ms
6 Oct 2023
Leap Years
msbranicky
60
120ms
10 Sep 2023
Leap Years
SirFireball3521
37
119ms
2 Mar 2023
Leap Years
MeWhenI
35
127ms
30 Jan 2023
Leap Years
Betuaredead
45
143ms
17 Jan 2023
Leap Years
trist224
41
133ms
14 Dec 2022
Leap Years
DaCuteRaccoon
41
153ms
12 Dec 2022
Leap Years
KatieLG-Transpiler
735
122ms
24 Jun 2022
Leap Years
sean-niemann
35
205ms
31 Mar 2022
Leap Years
scpchicken
37
170ms
11 Mar 2022
Leap Years
annaproxy
49
132ms
14 Feb 2022
Leap Years
Will-Howard
33
188ms
19 Dec 2021
Leap Years
mokymok
880
129ms
10 Nov 2021
Leap Years
SirBogman
37
136ms
4 Nov 2021
Leap Years
p-vf
58
171ms
28 Oct 2021
Leap Years
nwellnhof
🥇
28
155ms
28 Sep 2021
Leap Years
Natanaelel
36
139ms
27 Sep 2021
Leap Years
Lydxn
🥇
28
166ms
25 Sep 2021
Leap Years
sisyphus-ppcg
🥇
28
140ms
21 Jun 2021
Leap Years
NewDefectus
37
407ms
27 May 2021
Leap Years
Shanethegamer
39
135ms
22 May 2021
Leap Years
janbehrens
36
111ms
22 May 2021
Leap Years
heypwesto
41
180ms
20 Apr 2021
Leap Years
lynn
38
123ms
12 Apr 2021
Leap Years
Indivicivet
38
159ms
22 Mar 2021
Leap Years
Attero
36
109ms
18 Oct 2020
Leap Years
GrayJoKing
🥇
28
187ms
18 Oct 2020
Leap Years
prplz
35
131ms
14 Oct 2020
Leap Years
primo-ppcg
🥇
28
125ms
5 Oct 2020
Leap Years
HPWiz
🥇
28
188ms
4 Oct 2020
Leap Years
itiievskyi
44
189ms
21 Aug 2020
Leap Years
thisishowmymindworks
58
124ms
22 Jul 2020
Leap Years
jjatria
46
355ms
11 Jul 2020
Leap Years
lancew
750
127ms
10 Jul 2020
Leap Years
RustemB
48
255ms
18 May 2020
Leap Years
m-dango
45
166ms
7 May 2020
Leap Years
AlexDaniel
41
221ms
5 Apr 2020
Leap Years
yzhs
40
121ms
7 Mar 2020
Leap Years
dymowski
53
129ms
13 Jul 2019
Leap Years
retrohun
36
144ms
30 Apr 2019
Leap Years
elisherer
45
153ms
23 Apr 2019
Leap Years
metakuna
33
147ms
17 Apr 2019
Leap Years
Phraeyll
55
143ms
30 Mar 2019
Leap Years
juntuu
61
148ms
25 Mar 2019
Leap Years
massung
61
177ms
25 Mar 2019
Leap Years
polyrtm
51
135ms
5 Mar 2019
Leap Years
ash
42
200ms
15 Dec 2018
Leap Years
mcreenan
67
160ms
6 Dec 2018
Leap Years
somebody1234
35
267ms
5 Dec 2018
Leap Years
JRaspass
38
100ms
3 Dec 2018