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
Pro-Haker
140
264ms
25 hours ago
Fibonacci
JOrE20
91
265ms
2 days ago
Fibonacci
FranklinJiaChen
79
257ms
14 days ago
Fibonacci
D-MOVE
79
313ms
24 days ago
Fibonacci
GolfingSuccess
🥇
78
298ms
20 Jan 2026
Fibonacci
JesseNoEyes
91
272ms
15 Jan 2026
Fibonacci
plcc0
80
308ms
13 Jan 2026
Fibonacci
bitsandbeyond
86
304ms
11 Jan 2026
Fibonacci
CheeseCake628
79
286ms
6 Jan 2026
Fibonacci
albanian-laundromat
🥇
78
284ms
26 Dec 2025
Fibonacci
Pyroan
82
287ms
17 Dec 2025
Fibonacci
BREMAUCY
83
310ms
17 Dec 2025
Fibonacci
KasperKivimaeki
🥇
78
319ms
11 Dec 2025
Fibonacci
CornerMercury
79
300ms
7 Dec 2025
Fibonacci
StupidHobbit
90
299ms
26 Nov 2025
Fibonacci
Andrey2001
79
285ms
25 Nov 2025
Fibonacci
solisolu
79
316ms
19 Nov 2025
Fibonacci
Zach1031
106
291ms
15 Nov 2025
Fibonacci
cefqrn
79
277ms
9 Nov 2025
Fibonacci
Yax42
83
287ms
4 Oct 2025
Fibonacci
jacekwladzinski
91
300ms
2 Oct 2025
Fibonacci
muser-logiccpu
91
282ms
21 Aug 2025
Fibonacci
tknight-dev
88
281ms
27 Jul 2025
Fibonacci
jessesomerville
79
294ms
20 Jul 2025
Fibonacci
FlorianCassayre
79
301ms
16 Jul 2025
Fibonacci
fuzzylojik-golf
🥇
78
276ms
15 Jul 2025
Fibonacci
targrik
79
293ms
29 Jun 2025
Fibonacci
Lv0Sys
88
290ms
25 May 2025
Fibonacci
ereztaiar
84
275ms
19 May 2025
Fibonacci
martindotexe
79
280ms
22 Apr 2025
Fibonacci
heanyang1
82
285ms
27 Mar 2025
Fibonacci
boykonet
239
291ms
5 Mar 2025
Fibonacci
Maximizer02
91
306ms
7 Feb 2025
Fibonacci
desecaw13
82
301ms
24 Jan 2025
Fibonacci
KrausRaus
93
290ms
12 Jan 2025
Fibonacci
error256
79
315ms
16 Dec 2024
Fibonacci
madeforlosers
84
272ms
21 Nov 2024
Fibonacci
emgordon154
79
283ms
11 Nov 2024
Fibonacci
CaedenHarper
79
280ms
22 Oct 2024
Fibonacci
pardouin
🥇
78
286ms
29 Sep 2024
Fibonacci
b-illy
79
282ms
29 Sep 2024
Fibonacci
duckyluuk
79
287ms
19 Sep 2024
Fibonacci
DialFrost
🥇
78
282ms
19 Sep 2024
Fibonacci
Mabeloid
216
295ms
18 Sep 2024
Fibonacci
nstearns96
82
285ms
13 Sep 2024
Fibonacci
edsrzf
79
285ms
2 Sep 2024
Fibonacci
Kacarott
139
297ms
29 Aug 2024
Fibonacci
Just4FunCoder
88
271ms
26 Aug 2024
Fibonacci
HumanoidCPU
181
281ms
26 Aug 2024
Fibonacci
Jacob385
89
327ms
31 Jul 2024
Fibonacci
rifatx
134
294ms
24 Jul 2024
Fibonacci
dokutan
80
283ms
24 Jul 2024
Fibonacci
dbut2
79
304ms
16 Jul 2024
Fibonacci
jipsong
79
303ms
13 Jun 2024
Fibonacci
allensuvorov
82
288ms
6 Jun 2024
Fibonacci
cingulataluke
128
307ms
2 Jun 2024
Fibonacci
azure-blondon
97
290ms
7 May 2024
Fibonacci
ashscodes
82
291ms
29 Apr 2024
Fibonacci
Mandrzejy
104
280ms
16 Apr 2024
Fibonacci
jtaxen
95
289ms
30 Mar 2024
Fibonacci
Grrisly
79
310ms
27 Mar 2024
Fibonacci
neel11235813
79
296ms
26 Mar 2024
Fibonacci
hrubymar10
79
291ms
21 Feb 2024
Fibonacci
mathisfun271
82
283ms
21 Feb 2024
Fibonacci
bastatom
79
293ms
16 Feb 2024
Fibonacci
bzijlema
79
295ms
26 Jan 2024
Fibonacci
xbxbxb007
116
277ms
11 Jan 2024
Fibonacci
harshit54
79
295ms
6 Jan 2024
Fibonacci
kkoenig
🥇
78
289ms
29 Dec 2023
Fibonacci
epic-programmer-guy
85
273ms
26 Dec 2023
Fibonacci
sisyphus-ppcg
🥇
78
281ms
16 Nov 2023
Fibonacci
Betuaredead
🥇
78
313ms
12 Nov 2023
Fibonacci
hotmanga
116
291ms
30 Oct 2023
Fibonacci
elgan65536
79
282ms
23 Oct 2023
Fibonacci
Yewzir
🥇
78
280ms
21 Oct 2023
Fibonacci
nyoshe
87
293ms
10 Oct 2023
Fibonacci
charliegaming
92
281ms
3 Oct 2023
Fibonacci
snoozingnewt
79
286ms
23 Sep 2023
Fibonacci
MisterrLuck
105
283ms
13 Sep 2023
Fibonacci
msbranicky
86
297ms
25 Aug 2023