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
iczelia
50
115ms
16 Oct 2025
Leap Years
snoozingnewt
63
118ms
3 Oct 2025
Leap Years
HolmDev
65
115ms
17 Sep 2025
Leap Years
fuzzylojik-golf
54
117ms
14 Sep 2025
Leap Years
dokutan
54
116ms
17 Jul 2025
Leap Years
yanjs
53
119ms
3 Jul 2025
Leap Years
TheDrawingCoder-Gamer
71
130ms
2 Jul 2025
Leap Years
WatMan77
70
128ms
26 May 2025
Leap Years
alabhyajindal
79
118ms
3 Apr 2025
Leap Years
kops-cg
54
123ms
13 Mar 2025
Leap Years
DialFrost
50
113ms
14 Feb 2025
Leap Years
heanyang1
63
117ms
31 Jan 2025
Leap Years
CaedenHarper
887
109ms
25 Jan 2025
Leap Years
sean-niemann
50
120ms
7 Jan 2025
Leap Years
Mabeloid
887
116ms
22 Sep 2024
Leap Years
AdamMorris377
65
117ms
27 Aug 2024
Leap Years
jared-hughes
50
121ms
7 Jul 2024
Leap Years
HumanoidCPU
887
111ms
20 May 2024
Leap Years
XavierRex
70
116ms
13 May 2024
Leap Years
inverseLorentz
58
113ms
10 May 2024
Leap Years
brimstonetrader
65
113ms
10 Apr 2024
Leap Years
Yewzir
62
117ms
7 Feb 2024
Leap Years
JoaoFelipe3
74
111ms
14 Jan 2024
Leap Years
tobeannouncd
58
118ms
11 Jan 2024
Leap Years
roguh
58
113ms
29 Dec 2023
Leap Years
epic-programmer-guy
66
114ms
25 Dec 2023
Leap Years
the-zammers
62
121ms
19 Oct 2023
Leap Years
dteague3989
58
115ms
10 Oct 2023
Leap Years
cbrt-x
72
116ms
25 Sep 2023
Leap Years
alomiF
50
120ms
1 Sep 2023
Leap Years
voytxt
55
144ms
28 Jul 2023
Leap Years
mhgockel
66
112ms
23 Jul 2023
Leap Years
KatieLG-Transpiler
887
108ms
14 May 2023
Leap Years
ovs-code
🥇
49
112ms
11 May 2023
Leap Years
Betuaredead
70
113ms
17 Jan 2023
Leap Years
retrohun
887
105ms
27 Dec 2022
Leap Years
CatsAreFluffy
67
113ms
14 Dec 2022
Leap Years
ze-h
76
119ms
6 Dec 2022
Leap Years
exodrifter
60
110ms
25 Oct 2022
Leap Years
MeWhenI
72
116ms
10 Oct 2022
Leap Years
Steffan153
50
120ms
8 Oct 2022
Leap Years
strout
64
121ms
15 Aug 2022
Leap Years
christianlegge
73
114ms
29 Jul 2022
Leap Years
janbehrens
50
112ms
20 Jul 2022
Leap Years
Sakisan
🥇
49
120ms
12 Apr 2022
Leap Years
Awsute
70
109ms
11 Mar 2022
Leap Years
HallMatthew314
58
117ms
14 Feb 2022
Leap Years
annaproxy
50
124ms
7 Jan 2022
Leap Years
arjanadriaanse
52
121ms
1 Jan 2022
Leap Years
Bubbler-4
55
113ms
16 Nov 2021
Leap Years
Lydxn
🥇
49
112ms
13 Nov 2021
Leap Years
mokymok
889
109ms
10 Nov 2021
Leap Years
Irratix
50
113ms
25 Sep 2021
Leap Years
rak1507
55
111ms
24 Sep 2021
Leap Years
Natanaelel
58
112ms
11 Sep 2021
Leap Years
laikoni
50
111ms
27 Aug 2021
Leap Years
olivermrose
51
118ms
23 Aug 2021
Leap Years
hymanimy
64
113ms
28 Jul 2021
Leap Years
yzhs
58
117ms
24 Jul 2021
Leap Years
Shanethegamer
50
120ms
30 Jun 2021
Leap Years
jadequin
84
113ms
28 Apr 2021
Leap Years
JayXon
🥇
49
114ms
17 Apr 2021
Leap Years
xnor-gate
🥇
49
117ms
17 Apr 2021
Leap Years
HPWiz
🥇
49
114ms
17 Apr 2021
Leap Years
lynn
🥇
49
115ms
12 Apr 2021
Leap Years
sisyphus-ppcg
50
120ms
20 Mar 2021
Leap Years
cipharius
58
112ms
18 Jan 2021
Leap Years
boxjelly
58
111ms
1 Jan 2021
Leap Years
jurepustos
77
114ms
11 Dec 2020
Leap Years
abailey2020
59
118ms
10 Dec 2020
Leap Years
GrayJoKing
50
116ms
6 Dec 2020
Leap Years
ReidZ3
59
113ms
28 Nov 2020
Leap Years
KatieLG
887
113ms
23 Nov 2020
Leap Years
chezbgone
92
113ms
11 Nov 2020
Leap Years
RustemB
72
123ms
25 Aug 2020