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
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
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
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
Multitap Input
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
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
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
Multitap Input
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
𝑒
luuumine
136
122ms
27 days ago
𝑒
kumavale
117
132ms
12 Nov 2025
𝑒
JOrE20
1,025
106ms
6 Nov 2025
𝑒
Mabeloid
734
120ms
26 Oct 2025
𝑒
cthierfelder
1,025
112ms
12 Sep 2025
𝑒
gigaprofisi
1,025
118ms
20 Jun 2025
𝑒
sean-niemann
130
129ms
8 Jun 2025
𝑒
acotis
138
132ms
7 Jun 2025
𝑒
stefangimmillaro
127
130ms
4 Jun 2025
𝑒
DialFrost
117
133ms
23 Apr 2025
𝑒
ovs-code
💎
114
156ms
20 Apr 2025
𝑒
JayXon
🥈
115
151ms
5 Apr 2025
𝑒
TannerJ07
150
135ms
5 Apr 2025
𝑒
primo-ppcg
🥉
116
128ms
5 Apr 2025
𝑒
emgordon154
157
125ms
26 Feb 2025
𝑒
CaedenHarper
1,023
108ms
22 Jan 2025
𝑒
madeforlosers
1,023
111ms
14 Jan 2025
𝑒
KatieLG
1,023
114ms
29 Sep 2024
𝑒
rucin93
153
123ms
25 Aug 2024
𝑒
bac0id
1,023
107ms
26 Jun 2024
𝑒
Jacob385
1,024
110ms
19 Jun 2024
𝑒
dokutan
603
120ms
20 May 2024
𝑒
Pale-Vessel
1,024
108ms
10 Jan 2024
𝑒
HumanoidCPU
1,023
112ms
14 Nov 2023
𝑒
elgan65536
581
118ms
11 Nov 2023
𝑒
BREMAUCY
1,025
110ms
2 Nov 2023
𝑒
SB-945
1,026
109ms
25 Sep 2023
𝑒
msbranicky
593
139ms
17 Sep 2023
𝑒
snoozingnewt
1,023
107ms
2 Sep 2023
𝑒
TaserTheFox
1,023
121ms
26 May 2023
𝑒
Yewzir
1,023
110ms
20 May 2023
𝑒
Firefox760
1,050
105ms
23 Apr 2023
𝑒
InigoK
1,024
110ms
12 Apr 2023
𝑒
piano-miles
1,023
108ms
19 Feb 2023
𝑒
retrohun
1,023
110ms
28 Dec 2022
𝑒
klixel
1,023
108ms
25 Dec 2022
𝑒
andersk
126
132ms
28 Nov 2022
𝑒
ian-h-chamberlain
143
128ms
17 Nov 2022
𝑒
KatieLG-Transpiler
1,026
108ms
24 Jun 2022
𝑒
ktiy
154
129ms
11 Apr 2022
𝑒
voytxt
1,023
110ms
4 Apr 2022
𝑒
lynn
562
116ms
16 Mar 2022
𝑒
Shanethegamer
160
127ms
28 Jan 2022
𝑒
JGDoerrer
1,023
108ms
11 Jan 2022
𝑒
scpchicken
1,023
116ms
22 Dec 2021
𝑒
mokymok
1,025
108ms
8 Nov 2021
𝑒
RYNO8
1,023
108ms
7 Aug 2021
𝑒
MeWhenI
1,023
110ms
29 Jul 2021
𝑒
kurkale6ka
1,023
109ms
25 Jul 2021
𝑒
Waffle3z
1,023
111ms
23 Jul 2021
𝑒
cure-honey
152
124ms
5 Jul 2021
𝑒
argusdusty
667
155ms
1 Jan 2021
𝑒
rvdnieuwendijk
1,025
110ms
18 Oct 2020
𝑒
RustemB
1,023
110ms
21 May 2020
𝑒
Haksell
1,023
111ms
24 Mar 2020