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
Bytes
Time
Submitted
Fibonacci
CheeseCake628
80
151ms
6 Jan 2026
Fibonacci
albanian-laundromat
75
144ms
26 Dec 2025
Fibonacci
snoozingnewt
🥇
63
456ms
9 Dec 2025
Fibonacci
solisolu
72
146ms
1 Dec 2025
Fibonacci
Andrey2001
🥇
63
482ms
25 Nov 2025
Fibonacci
dokutan
66
479ms
17 Nov 2025
Fibonacci
Zach1031
108
145ms
15 Nov 2025
Fibonacci
gigaprofisi
167
464ms
13 Nov 2025
Fibonacci
matejmatik123
75
145ms
5 Oct 2025
Fibonacci
Yax42
🥇
63
469ms
5 Oct 2025
Fibonacci
FlyingPenguin223
67
433ms
2 Oct 2025
Fibonacci
duckyluuk
78
150ms
27 Aug 2025
Fibonacci
muser-logiccpu
90
135ms
21 Aug 2025
Fibonacci
fuzzylojik-golf
🥇
63
442ms
20 Aug 2025
Fibonacci
SwordF-Official
70
466ms
3 Jun 2025
Fibonacci
plcc0
64
457ms
28 Mar 2025
Fibonacci
GolfingSuccess
64
463ms
12 Mar 2025
Fibonacci
Ripick
71
453ms
7 Mar 2025
Fibonacci
kevinnaviapaiva
135
452ms
6 Mar 2025
Fibonacci
desecaw13
92
149ms
25 Jan 2025
Fibonacci
CaedenHarper
66
425ms
24 Jan 2025
Fibonacci
madeforlosers
72
146ms
22 Nov 2024
Fibonacci
pardouin
🥇
63
467ms
24 Sep 2024
Fibonacci
Mabeloid
172
126ms
18 Sep 2024
Fibonacci
edsrzf
🥇
63
477ms
12 Sep 2024
Fibonacci
Just4FunCoder
78
147ms
26 Aug 2024
Fibonacci
emgordon154
🥇
63
453ms
26 Jul 2024
Fibonacci
ovs-code
🥇
63
460ms
24 Jul 2024
Fibonacci
msbranicky
81
141ms
3 Jul 2024
Fibonacci
jipsong
64
455ms
1 Jul 2024
Fibonacci
HumanoidCPU
165
464ms
27 Jun 2024
Fibonacci
error256
64
447ms
10 May 2024
Fibonacci
azure-blondon
89
141ms
5 May 2024
Fibonacci
Mandrzejy
64
452ms
16 Apr 2024
Fibonacci
jtaxen
100
148ms
30 Mar 2024
Fibonacci
voytxt
66
432ms
11 Mar 2024
Fibonacci
mathisfun271
64
432ms
20 Feb 2024
Fibonacci
roupiq
80
155ms
19 Feb 2024
Fibonacci
Herbert00709
71
147ms
11 Feb 2024
Fibonacci
epic-programmer-guy
86
464ms
29 Dec 2023
Fibonacci
kkoenig
96
144ms
22 Dec 2023
Fibonacci
Maximizer02
87
149ms
27 Nov 2023
Fibonacci
Andriamanitra
79
458ms
18 Oct 2023
Fibonacci
eiburns
87
147ms
7 Sep 2023
Fibonacci
Pyro569
93
146ms
30 Jul 2023
Fibonacci
fkantelberg
88
146ms
15 Jul 2023
Fibonacci
Adix-null
82
149ms
5 Jul 2023
Fibonacci
ashtraypettingzoo
82
145ms
16 Feb 2023
Fibonacci
Yewzir
🥇
63
430ms
5 Feb 2023
Fibonacci
DialFrost
🥇
63
461ms
17 Jan 2023
Fibonacci
Betuaredead
🥇
63
462ms
4 Jan 2023
Fibonacci
retrohun
175
154ms
27 Dec 2022
Fibonacci
sm1lko
101
149ms
14 Dec 2022
Fibonacci
Steffan153
🥇
63
438ms
11 Dec 2022
Fibonacci
astdefu
🥇
63
461ms
11 Dec 2022
Fibonacci
jhpaques
82
147ms
3 Dec 2022
Fibonacci
TheRealOhead
89
146ms
26 Nov 2022
Fibonacci
oceko
72
145ms
26 Nov 2022
Fibonacci
trist224
73
146ms
15 Nov 2022
Fibonacci
raphaelimahorn
76
148ms
3 Oct 2022
Fibonacci
weltensturm
78
452ms
18 Aug 2022
Fibonacci
Shanethegamer
🥇
63
448ms
11 Jul 2022
Fibonacci
KatieLG-Transpiler
221
145ms
24 Jun 2022
Fibonacci
Noah-Fox
180
151ms
1 Jun 2022
Fibonacci
SirBogman
64
430ms
17 May 2022
Fibonacci
scpchicken
122
146ms
25 Mar 2022
Fibonacci
janbehrens
🥇
63
454ms
23 Mar 2022
Fibonacci
MichaelMBradley
69
457ms
21 Mar 2022
Fibonacci
stackofbears
65
435ms
21 Mar 2022
Fibonacci
aposteriorist
🥇
63
462ms
21 Mar 2022
Fibonacci
martinnorling
87
147ms
1 Mar 2022
Fibonacci
Cadichon
87
453ms
1 Mar 2022
Fibonacci
btnlq
🥇
63
468ms
1 Mar 2022
Fibonacci
Natanaelel
72
453ms
1 Mar 2022
Fibonacci
sean-niemann
🥇
63
438ms
28 Feb 2022
Fibonacci
GrayJoKing
🥇
63
452ms
28 Feb 2022
Fibonacci
JayXon
🥇
63
467ms
28 Feb 2022
Fibonacci
sisyphus-ppcg
🥇
63
462ms
28 Feb 2022
Fibonacci
MeWhenI
65
445ms
28 Feb 2022
Fibonacci
KatieLG
165
454ms
28 Feb 2022