Recent Solutions
Prev Hole
Play Hole
Next Hole
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
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
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
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
Erlang
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
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
Erlang
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
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
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Fibonacci
Zach1031
62
113ms
5 days ago
Fibonacci
edsrzf
40
117ms
17 days ago
Fibonacci
snoozingnewt
44
123ms
3 Oct 2025
Fibonacci
albanian-laundromat
44
116ms
26 Aug 2025
Fibonacci
Mikey-Beep
52
112ms
21 Aug 2025
Fibonacci
FortuiteMan
68
132ms
14 Jul 2025
Fibonacci
LostSyntax21
47
126ms
5 Jul 2025
Fibonacci
CaedenHarper
42
123ms
5 Jun 2025
Fibonacci
janAkali
47
116ms
17 May 2025
Fibonacci
plcc0
44
116ms
26 Apr 2025
Fibonacci
Ripick
40
118ms
7 Mar 2025
Fibonacci
madeforlosers
48
115ms
22 Nov 2024
Fibonacci
Mabeloid
143
120ms
22 Sep 2024
Fibonacci
pardouin
40
120ms
22 Sep 2024
Fibonacci
dokutan
45
120ms
21 Sep 2024
Fibonacci
CyberTapir
73
189ms
28 Aug 2024
Fibonacci
FlyingPenguin223
40
122ms
11 Aug 2024
Fibonacci
voytxt
40
117ms
7 Aug 2024
Fibonacci
primo-ppcg
40
115ms
6 Aug 2024
Fibonacci
prplz
40
115ms
10 Jul 2024
Fibonacci
msbranicky
47
117ms
3 Jul 2024
Fibonacci
sean-niemann
40
116ms
25 Jun 2024
Fibonacci
error256
40
115ms
22 Jun 2024
Fibonacci
m-tkach
45
117ms
22 Jun 2024
Fibonacci
GrayJoKing
40
115ms
22 Jun 2024
Fibonacci
MichalMarsalek
42
114ms
22 Jun 2024
Fibonacci
DialFrost
40
134ms
22 Jun 2024
Fibonacci
HumanoidCPU
44
114ms
22 Jun 2024
Fibonacci
btnlq
40
114ms
21 Jun 2024
Fibonacci
Steffan153
40
114ms
21 Jun 2024
Fibonacci
Shanethegamer
40
114ms
21 Jun 2024
Fibonacci
MeWhenI
40
113ms
21 Jun 2024
Fibonacci
Yewzir
40
114ms
21 Jun 2024
Fibonacci
Stockoh
42
121ms
15 Jun 2024
Fibonacci
azure-blondon
60
116ms
5 May 2024
Fibonacci
epic-programmer-guy
64
116ms
17 Dec 2023
Fibonacci
Maximizer02
59
121ms
26 Nov 2023
Fibonacci
eiburns
51
116ms
7 Sep 2023
Fibonacci
Adix-null
60
320ms
5 Jul 2023
Fibonacci
CheeseCake628
46
114ms
11 Mar 2023
Fibonacci
jared-hughes
40
115ms
22 Jan 2023
Fibonacci
TheRealOhead
60
117ms
22 Jan 2023
Fibonacci
Betuaredead
42
115ms
20 Jan 2023
Fibonacci
zakariamouhid
64
120ms
10 Jan 2023
Fibonacci
scpchicken
51
116ms
8 Jan 2023
Fibonacci
MCausc78
50
114ms
5 Jan 2023
Fibonacci
aksyristos
73
183ms
29 Dec 2022
Fibonacci
sm1lko
66
116ms
14 Dec 2022
Fibonacci
trist224
49
117ms
28 Nov 2022
Fibonacci
oceko
52
117ms
26 Nov 2022
Fibonacci
Kesefon
59
117ms
5 Nov 2022
Fibonacci
Natanaelel
46
121ms
30 Oct 2022
Fibonacci
JayXon
🥉
39
120ms
22 Oct 2022
Fibonacci
rollershutter
60
117ms
27 Aug 2022
Fibonacci
KatieLG-Transpiler
188
337ms
24 Jun 2022
Fibonacci
Noah-Fox
86
119ms
1 Jun 2022
Fibonacci
Import-Meow
78
114ms
29 May 2022
Fibonacci
SolitudeSF
47
117ms
12 May 2022
Fibonacci
MichaelMBradley
46
115ms
21 Mar 2022
Fibonacci
martinnorling
84
115ms
21 Mar 2022
Fibonacci
jtaxen
79
119ms
18 Mar 2022
Fibonacci
CedricGebistorf
58
115ms
6 Feb 2022
Fibonacci
SirBogman
42
116ms
1 Jan 2022
Fibonacci
emgordon154
40
113ms
23 Dec 2021
Fibonacci
dillon-duncando
78
178ms
28 Nov 2021
Fibonacci
mokymok
170
114ms
9 Nov 2021
Fibonacci
Lydxn
🥇
38
118ms
4 Nov 2021
Fibonacci
raphaelimahorn
46
117ms
2 Sep 2021
Fibonacci
sech1p
74
115ms
4 Jul 2021
Fibonacci
sisyphus-ppcg
🥇
38
120ms
29 May 2021
Fibonacci
NewDefectus
48
116ms
25 May 2021
Fibonacci
Sp3000
47
124ms
5 May 2021
Fibonacci
markbeep
49
116ms
4 May 2021
Fibonacci
ktiy
44
115ms
19 Apr 2021
Fibonacci
m33m33
89
136ms
6 Apr 2021