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
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
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
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
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
><>
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
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
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
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
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
CheeseCake628
56
116ms
6 Jan 2026
Fibonacci
albanian-laundromat
54
128ms
26 Dec 2025
Fibonacci
Andrey2001
48
116ms
25 Nov 2025
Fibonacci
emgordon154
46
108ms
20 Nov 2025
Fibonacci
dokutan
47
111ms
17 Nov 2025
Fibonacci
Zach1031
95
111ms
15 Nov 2025
Fibonacci
edsrzf
🥇
45
128ms
3 Nov 2025
Fibonacci
snoozingnewt
🥇
45
110ms
14 Oct 2025
Fibonacci
Yax42
🥇
45
110ms
4 Oct 2025
Fibonacci
duckyluuk
53
137ms
27 Aug 2025
Fibonacci
ffelixm
51
115ms
11 Jun 2025
Fibonacci
fuzzylojik-golf
🥇
45
109ms
3 Jun 2025
Fibonacci
plcc0
47
112ms
28 Mar 2025
Fibonacci
GolfingSuccess
🥇
45
111ms
20 Mar 2025
Fibonacci
Blendi-Goose
50
117ms
16 Mar 2025
Fibonacci
jipsong
🥇
45
114ms
7 Feb 2025
Fibonacci
b-illy
🥇
45
117ms
17 Jan 2025
Fibonacci
CaedenHarper
🥇
45
107ms
17 Jan 2025
Fibonacci
madeforlosers
54
128ms
21 Nov 2024
Fibonacci
pardouin
🥇
45
107ms
24 Sep 2024
Fibonacci
Mabeloid
160
113ms
18 Sep 2024
Fibonacci
Herbert00709
50
129ms
12 Sep 2024
Fibonacci
RedzGoose
51
114ms
9 Sep 2024
Fibonacci
Just4FunCoder
59
111ms
26 Aug 2024
Fibonacci
bac0id
49
109ms
25 Jun 2024
Fibonacci
cingulataluke
84
118ms
2 Jun 2024
Fibonacci
jtaxen
85
114ms
29 May 2024
Fibonacci
HumanoidCPU
155
114ms
20 May 2024
Fibonacci
error256
48
116ms
10 May 2024
Fibonacci
azure-blondon
75
130ms
7 May 2024
Fibonacci
Mandrzejy
47
139ms
29 Apr 2024
Fibonacci
ovs-code
46
116ms
18 Mar 2024
Fibonacci
voytxt
46
114ms
11 Mar 2024
Fibonacci
mathisfun271
50
118ms
21 Feb 2024
Fibonacci
roupiq
69
117ms
10 Feb 2024
Fibonacci
msbranicky
64
145ms
10 Jan 2024
Fibonacci
epic-programmer-guy
69
114ms
1 Jan 2024
Fibonacci
kkoenig
48
121ms
22 Dec 2023
Fibonacci
Re-Adventures
50
109ms
8 Dec 2023
Fibonacci
anoopsg
59
119ms
18 Nov 2023
Fibonacci
Maximizer02
64
122ms
1 Oct 2023
Fibonacci
eiburns
68
110ms
7 Sep 2023
Fibonacci
raszpi
58
124ms
28 Jul 2023
Fibonacci
Adix-null
55
127ms
6 Jul 2023
Fibonacci
btnlq
🥇
45
120ms
12 May 2023
Fibonacci
Yewzir
🥇
45
108ms
30 Apr 2023
Fibonacci
ashtraypettingzoo
61
131ms
16 Feb 2023
Fibonacci
Betuaredead
🥇
45
107ms
4 Jan 2023
Fibonacci
retrohun
186
113ms
27 Dec 2022
Fibonacci
DialFrost
🥇
45
123ms
16 Dec 2022
Fibonacci
sm1lko
95
111ms
14 Dec 2022
Fibonacci
astdefu
48
114ms
11 Dec 2022
Fibonacci
oceko
48
116ms
26 Nov 2022
Fibonacci
TheRealOhead
72
109ms
23 Nov 2022
Fibonacci
trist224
48
110ms
15 Nov 2022
Fibonacci
Natanaelel
54
131ms
12 Nov 2022
Fibonacci
Shanethegamer
🥇
45
115ms
5 Nov 2022
Fibonacci
ndelanou
53
115ms
26 Oct 2022
Fibonacci
emplv
🥇
45
125ms
26 Oct 2022
Fibonacci
KrausRaus
48
103ms
24 Oct 2022
Fibonacci
prplz
🥇
45
110ms
19 Oct 2022
Fibonacci
jakobkordez
64
108ms
18 Oct 2022
Fibonacci
stefangimmillaro
🥇
45
105ms
17 Oct 2022
Fibonacci
Alex-x90
46
122ms
17 Oct 2022
Fibonacci
GrayJoKing
🥇
45
114ms
17 Oct 2022
Fibonacci
SirBogman
46
115ms
14 Oct 2022
Fibonacci
JayXon
🥇
45
121ms
14 Oct 2022
Fibonacci
KatieLG
155
136ms
14 Oct 2022
Fibonacci
Steffan153
🥇
45
109ms
14 Oct 2022
Fibonacci
Lydxn
🥇
45
146ms
14 Oct 2022
Fibonacci
MeWhenI
🥇
45
117ms
14 Oct 2022
Fibonacci
m-tkach
🥇
45
138ms
13 Oct 2022
Fibonacci
sisyphus-ppcg
🥇
45
105ms
13 Oct 2022
Fibonacci
sean-niemann
🥇
45
106ms
13 Oct 2022
Fibonacci
KatieLG-Transpiler
176
185ms
13 Oct 2022