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
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
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
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
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
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
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
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
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
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
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
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
π
Ralac07
1,025
23 days ago
π
RaBa21
1,071
13 Jul 2025
π
f-tucker
179
4 Jul 2025
π
SirObby
1,022
25 Jun 2025
π
sean-niemann
122
25 Jun 2025
π
JOrE-Softwares
1,023
3 Jun 2025
π
RoBoardGod
1,019
15 May 2025
π
mathb0y512
680
14 Mar 2025
π
heanyang1
218
14 Mar 2025
π
Mabeloid
1,019
14 Mar 2025
π
viv511
1,032
3 Feb 2025
π
Herbert00709
128
25 Jan 2025
π
CaedenHarper
1,019
20 Jan 2025
π
AidanWalter
1,044
2 Jan 2025
π
Iznoanygod
165
19 Dec 2024
π
madeforlosers
1,019
9 Dec 2024
π
croc54
187
27 Nov 2024
π
madex
144
22 Nov 2024
π
KasperKivimaeki
💎
108
18 Nov 2024
π
hiichbindermax
1,073
26 Oct 2024
π
Vexxter9
1,019
26 Sep 2024
π
DialFrost
155
6 Sep 2024
π
rhdqor213
123
27 Jun 2024
π
GrayJoKing
125
19 Jun 2024
π
snoozingnewt
151
2 Jun 2024
π
dokutan
595
1 Jun 2024
π
kejcao
151
10 May 2024
π
Jonatan6
202
6 May 2024
π
Jacob385
1,019
1 May 2024
π
sciencejiho
1,032
26 Apr 2024
π
aalec
1,054
23 Apr 2024
π
Mandrzejy
149
14 Apr 2024
π
hatesune
1,047
18 Mar 2024
π
trinityy-7
1,023
14 Mar 2024
π
wojtekmal
1,019
14 Mar 2024
π
roguh
290
14 Mar 2024
π
a-sakharov
1,019
4 Mar 2024
π
bend-n
152
28 Jan 2024
π
Yewzir
720
23 Dec 2023
π
kkoenig
1,020
22 Dec 2023
π
Pale-Vessel
1,042
21 Dec 2023
π
kurkale6ka
1,057
21 Dec 2023
π
HumanoidCPU
1,019
14 Nov 2023
π
elgan65536
584
14 Nov 2023
π
RealAMC
190
7 Nov 2023
π
Vinterion
186
1 Nov 2023
π
Jaro32768
1,025
24 Oct 2023
π
JohandeRuiter
133
17 Oct 2023
π
msbranicky
192
13 Oct 2023
π
GWStuart
1,038
15 Sep 2023
π
Shanethegamer
1,019
13 Sep 2023
π
playsenge
1,089
11 Sep 2023
π
Alex-x90
146
10 Aug 2023
π
MeWhenI
162
1 Aug 2023
π
SirBogman
120
6 Jul 2023
π
RVMIA
1,060
3 Jun 2023
π
ovs-code
124
28 May 2023
π
janbehrens
158
15 May 2023
π
Sanctuspaladin
1,033
12 May 2023
π
Ripick
203
7 May 2023
π
inventshah
148
28 Apr 2023
π
adamnielson42
1,044
26 Apr 2023
π
klixel
1,547
17 Apr 2023
π
aksyristos
161
14 Mar 2023
π
Sora1248
723
14 Mar 2023
π
Haksell
1,019
28 Feb 2023
π
esnethen
1,025
20 Feb 2023
π
isaiah0311
1,019
9 Feb 2023
π
jared-hughes
123
7 Feb 2023
π
freeve4h
1,072
8 Dec 2022
π
Azearia
1,044
4 Dec 2022
π
BlankSpruce
144
28 Sep 2022
π
051
1,065
8 Aug 2022
π
puputskov
1,019
21 Jul 2022
π
KatieLG-Transpiler
1,023
23 Jun 2022