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
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
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
Mandelbrot
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
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
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
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
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
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
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
Mandelbrot
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
Arithmetic Numbers
tejapvk
83
7 days ago
Arithmetic Numbers
Mukundan314
78
7 days ago
Arithmetic Numbers
pardouin
🥈
75
7 days ago
Arithmetic Numbers
ovs-code
💎
73
7 days ago
Arithmetic Numbers
JayXon
🥈
75
7 days ago
Arithmetic Numbers
DialFrost
🥈
75
7 days ago
Arithmetic Numbers
paiv
124
9 days ago
Arithmetic Numbers
ffelixm
82
10 days ago
Arithmetic Numbers
Alban-Boissard
92
12 days ago
Arithmetic Numbers
ejini6969
84
13 days ago
Arithmetic Numbers
smilesformiles3
86
14 days ago
Arithmetic Numbers
strogor
95
15 days ago
Arithmetic Numbers
SoliGhost
83
16 days ago
Arithmetic Numbers
mossiegoat
99
18 days ago
Arithmetic Numbers
taesungh
97
19 days ago
Arithmetic Numbers
kbeat
150
20 days ago
Arithmetic Numbers
zacjl
76
27 days ago
Arithmetic Numbers
Lv0Sys
87
27 days ago
Arithmetic Numbers
guilhem-roy
83
29 May 2025
Arithmetic Numbers
BenjaminHGong
90
26 May 2025
Arithmetic Numbers
WillowWispy
90
25 May 2025
Arithmetic Numbers
DarkInfern010
105
24 May 2025
Arithmetic Numbers
KAKISKA-code
97
24 May 2025
Arithmetic Numbers
damoose717
94
23 May 2025
Arithmetic Numbers
40fied4t
88
21 May 2025
Arithmetic Numbers
bricknellj
77
20 May 2025
Arithmetic Numbers
kistlerf
91
19 May 2025
Arithmetic Numbers
m-tkach
76
19 May 2025
Arithmetic Numbers
Seek64
76
19 May 2025
Arithmetic Numbers
Shanethegamer
37,654
18 May 2025
Arithmetic Numbers
EnisEfe0
124
18 May 2025
Arithmetic Numbers
TheZwierzLF
123
18 May 2025
Arithmetic Numbers
Alithinar
106
15 May 2025
Arithmetic Numbers
ImpressedByRocks
84
9 May 2025
Arithmetic Numbers
madeforlosers
37,654
8 May 2025
Arithmetic Numbers
fuzzylojik-golf
77
6 May 2025
Arithmetic Numbers
noahdorsch
146
5 May 2025
Arithmetic Numbers
andrewjc2000
81
30 Apr 2025
Arithmetic Numbers
4atj
76
30 Apr 2025
Arithmetic Numbers
0dyse
94
23 Apr 2025
Arithmetic Numbers
Voltrifrodec
88
19 Apr 2025
Arithmetic Numbers
dalamajama
92
16 Apr 2025
Arithmetic Numbers
emgordon154
77
13 Apr 2025
Arithmetic Numbers
albanian-laundromat
82
5 Apr 2025
Arithmetic Numbers
FVDurumMixto
88
3 Apr 2025
Arithmetic Numbers
Vanthoci
83
31 Mar 2025
Arithmetic Numbers
ehulinsky
82
26 Mar 2025
Arithmetic Numbers
jipsong
77
24 Mar 2025
Arithmetic Numbers
souta-1326
77
24 Mar 2025
Arithmetic Numbers
SOONwasTaken
100
18 Mar 2025
Arithmetic Numbers
jumpingtj
121
9 Mar 2025
Arithmetic Numbers
jameswmccarty
105
7 Mar 2025
Arithmetic Numbers
plcc0
77
5 Mar 2025
Arithmetic Numbers
syspro86
120
27 Feb 2025
Arithmetic Numbers
Pyroan
80
25 Feb 2025
Arithmetic Numbers
moustave
88
19 Feb 2025
Arithmetic Numbers
Troon
84
18 Feb 2025
Arithmetic Numbers
Fracture17
84
13 Feb 2025
Arithmetic Numbers
kevinnaviapaiva
126
11 Feb 2025
Arithmetic Numbers
Powerroff
77
11 Feb 2025
Arithmetic Numbers
tobyLovick
97
10 Feb 2025
Arithmetic Numbers
sciencejiho
89
10 Feb 2025
Arithmetic Numbers
IsaacAlexBarden
98
7 Feb 2025
Arithmetic Numbers
kops-cg
76
5 Feb 2025
Arithmetic Numbers
Anthony-Williams-06
95
29 Jan 2025
Arithmetic Numbers
jamiloBBKing
86
27 Jan 2025
Arithmetic Numbers
itljan30
84
26 Jan 2025
Arithmetic Numbers
ZorblaxV
109
25 Jan 2025
Arithmetic Numbers
pquline
114
25 Jan 2025
Arithmetic Numbers
klixel
85
24 Jan 2025
Arithmetic Numbers
Artemis21
96
20 Jan 2025
Arithmetic Numbers
sean-niemann
76
19 Jan 2025
Arithmetic Numbers
ryyyn
76
18 Jan 2025
Arithmetic Numbers
Ailko
110
17 Jan 2025
Arithmetic Numbers
atazzam
92
16 Jan 2025