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
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
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
Chars
Time
Submitted
Fibonacci
RodAlc24
39
9ms
3 days ago
Fibonacci
mailboxjpg
80
10ms
3 days ago
Fibonacci
jesuscbm
46
9ms
3 days ago
Fibonacci
Deneb999
81
450ms
3 days ago
Fibonacci
pph-2203
65
9ms
3 days ago
Fibonacci
ImanolCiganda
45
9ms
3 days ago
Fibonacci
Ignacio6D2
44
10ms
3 days ago
Fibonacci
Jonson26
45
10ms
6 days ago
Fibonacci
matejmatik123
42
9ms
7 days ago
Fibonacci
rotemkm
38
10ms
9 days ago
Fibonacci
GrandMoff100
38
10ms
10 days ago
Fibonacci
Coolbeansyeah
37
11ms
11 days ago
Fibonacci
netfri25
38
10ms
12 days ago
Fibonacci
Aquateraneal
55
10ms
13 days ago
Fibonacci
ewilipsic
45
10ms
13 days ago
Fibonacci
FoxInTheClouds
🥇
36
9ms
14 days ago
Fibonacci
AstroOrbis
59
10ms
14 days ago
Fibonacci
TheSecondComing123
38
10ms
25 days ago
Fibonacci
bpharaldsson
40
10ms
25 days ago
Fibonacci
zachattack531
127
10ms
25 days ago
Fibonacci
msbranicky
38
10ms
27 days ago
Fibonacci
zgialor-lab
39
10ms
1 Feb 2026
Fibonacci
JOrE20
38
10ms
27 Jan 2026
Fibonacci
matricronia
38
10ms
27 Jan 2026
Fibonacci
morphthesworph
45
9ms
22 Jan 2026
Fibonacci
JesseNoEyes
38
10ms
15 Jan 2026
Fibonacci
xdaniel-lim
38
10ms
15 Jan 2026
Fibonacci
Emutis
🥇
36
10ms
12 Jan 2026
Fibonacci
bitsandbeyond
45
10ms
11 Jan 2026
Fibonacci
NicoPlayZ9002-YT
98
10ms
6 Jan 2026
Fibonacci
Havzp
87
10ms
5 Jan 2026
Fibonacci
Hyperoplex145
57
10ms
2 Jan 2026
Fibonacci
averagepythondev
146
10ms
2 Jan 2026
Fibonacci
NoneTheFewer
54
9ms
25 Dec 2025
Fibonacci
jhallgreen
38
10ms
20 Dec 2025
Fibonacci
benanlam
67
10ms
20 Dec 2025
Fibonacci
logalex8369
78
171ms
18 Dec 2025
Fibonacci
AdrienHache
🥇
36
9ms
17 Dec 2025
Fibonacci
yujqiao
38
10ms
16 Dec 2025
Fibonacci
ryyyn
🥇
36
10ms
10 Dec 2025
Fibonacci
brianrainer
75
9ms
9 Dec 2025
Fibonacci
johnkiernander
75
9ms
9 Dec 2025
Fibonacci
WilliamRhind123
79
10ms
9 Dec 2025
Fibonacci
llPlayll
66
10ms
5 Dec 2025
Fibonacci
TJK-S
65
9ms
4 Dec 2025
Fibonacci
tomh1012
39
10ms
3 Dec 2025
Fibonacci
TriodeLzx
38
10ms
3 Dec 2025
Fibonacci
Languag3
🥇
36
9ms
3 Dec 2025
Fibonacci
dgambit
38
10ms
3 Dec 2025
Fibonacci
AdrianBerni
59
181ms
3 Dec 2025
Fibonacci
jenuk
48
11ms
2 Dec 2025
Fibonacci
WorseGolfer
131,071
82ms
29 Nov 2025
Fibonacci
AidanWalter
38
10ms
27 Nov 2025
Fibonacci
Carlos-EAC
172
11ms
24 Nov 2025
Fibonacci
Andrey2001
38
11ms
24 Nov 2025
Fibonacci
kasarino
38
10ms
24 Nov 2025
Fibonacci
kayaulai
84
10ms
23 Nov 2025
Fibonacci
StupidHobbit
45
10ms
23 Nov 2025
Fibonacci
skrlet02
254
9ms
23 Nov 2025
Fibonacci
sunleonid
🥇
36
9ms
22 Nov 2025
Fibonacci
peachey2k2
38
10ms
22 Nov 2025
Fibonacci
Mefred
45
9ms
21 Nov 2025
Fibonacci
FortuiteMan
🥇
36
10ms
20 Nov 2025
Fibonacci
joshmoody24
38
11ms
19 Nov 2025
Fibonacci
te-chnical
68
175ms
18 Nov 2025
Fibonacci
09cf
🥇
36
10ms
17 Nov 2025
Fibonacci
M4rc0g1
38
10ms
16 Nov 2025
Fibonacci
gigaprofisi
54
10ms
15 Nov 2025
Fibonacci
valentindc
51
10ms
15 Nov 2025
Fibonacci
Zach1031
38
10ms
15 Nov 2025
Fibonacci
GodlyProgrammer1
38
10ms
15 Nov 2025
Fibonacci
Cube14yt
88
9ms
13 Nov 2025
Fibonacci
LostSyntax21
🥇
36
10ms
9 Nov 2025
Fibonacci
DrakeSeteraO
38
9ms
3 Nov 2025
Fibonacci
solisolu
🥇
36
10ms
2 Nov 2025
Fibonacci
webmiche
48
10ms
2 Nov 2025
Fibonacci
CommandLeo
38
10ms
2 Nov 2025
Fibonacci
rustykitty
46
10ms
25 Oct 2025
Fibonacci
Babafaba
🥇
36
10ms
21 Oct 2025
Fibonacci
ApoChagi
🥇
36
9ms
21 Oct 2025