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
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
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 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
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Snake
Sphenic Numbers
Star Wars GPT
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
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
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 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
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Snake
Sphenic Numbers
Star Wars GPT
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Abundant Numbers
TannerJ07
82
5 hours ago
Abundant Numbers
FVDurumMixto
73
34 hours ago
Abundant Numbers
albanian-laundromat
73
41 hours ago
Abundant Numbers
Jacob385
128
2 days ago
Abundant Numbers
dokutan
84
2 days ago
Abundant Numbers
yoshykai
130
4 days ago
Abundant Numbers
edsrzf
76
5 days ago
Abundant Numbers
edsrzf
🥉
89
5 days ago
Abundant Numbers
Chinay-Domitrix
61
6 days ago
Abundant Numbers
MeWhenI
🥉
146
7 days ago
Abundant Numbers
DialFrost
🥇
141
7 days ago
Abundant Numbers
Shanethegamer
155
7 days ago
Abundant Numbers
ovs-code
155
7 days ago
Abundant Numbers
yoshykai
109
8 days ago
Abundant Numbers
DanielVenable
61
9 days ago
Abundant Numbers
plcc0
13
10 days ago
Abundant Numbers
sean-niemann
76
10 days ago
Abundant Numbers
emgordon154
🥇
141
10 days ago
Abundant Numbers
jipsong
64
10 days ago
Abundant Numbers
Natanaelel
13
11 days ago
Abundant Numbers
primo-ppcg
🥇
27
11 days ago
Abundant Numbers
yujh-yujh
66
11 days ago
Abundant Numbers
souta-1326
64
12 days ago
Abundant Numbers
rustykitty
72
12 days ago
Abundant Numbers
2bular
13
13 days ago
Abundant Numbers
darrenks
14
13 days ago
Abundant Numbers
lukegustafson
🥉
50
14 days ago
Abundant Numbers
paulmr
80
16 days ago
Abundant Numbers
paulmr
59
16 days ago
Abundant Numbers
SOONwasTaken
74
16 days ago
Abundant Numbers
sean-niemann
143
17 days ago
Abundant Numbers
WillowWispy
74
19 days ago
Abundant Numbers
stackofbears
🥇
27
20 days ago
Abundant Numbers
SreenikethanI
79
22 days ago
Abundant Numbers
Pyroan
68
22 days ago
Abundant Numbers
4hg
33
24 days ago
Abundant Numbers
ovs-code
92
25 days ago
Abundant Numbers
edsrzf
101
25 days ago
Abundant Numbers
andrewjc2000
70
26 days ago
Abundant Numbers
HumanoidCPU
254
26 days ago
Abundant Numbers
MeWhenI
🥉
42
27 days ago
Abundant Numbers
paul-c-hartman
54
27 days ago
Abundant Numbers
kevinnaviapaiva
135
6 Mar 2025
Abundant Numbers
plcc0
66
6 Mar 2025
Abundant Numbers
plcc0
14
6 Mar 2025
Abundant Numbers
sean-niemann
🥉
91
6 Mar 2025
Abundant Numbers
kevinnaviapaiva
163
6 Mar 2025
Abundant Numbers
kevinnaviapaiva
97
6 Mar 2025
Abundant Numbers
kevinnaviapaiva
121
6 Mar 2025
Abundant Numbers
kevinnaviapaiva
208
6 Mar 2025
Abundant Numbers
kevinnaviapaiva
183
6 Mar 2025
Abundant Numbers
kevinnaviapaiva
134
6 Mar 2025
Abundant Numbers
kevinnaviapaiva
183
6 Mar 2025
Abundant Numbers
TRexOnGit
63
6 Mar 2025
Abundant Numbers
MrMullac
68
5 Mar 2025
Abundant Numbers
HumanoidCPU
171
4 Mar 2025
Abundant Numbers
makononov
86
3 Mar 2025
Abundant Numbers
themoonisacheese
16
3 Mar 2025
Abundant Numbers
cryptoriddlerUIO
110
2 Mar 2025
Abundant Numbers
DialFrost
🥈
68
2 Mar 2025
Abundant Numbers
pardouin
58
2 Mar 2025
Abundant Numbers
HPWiz
🥉
28
2 Mar 2025
Abundant Numbers
ovs-code
🥉
28
1 Mar 2025
Abundant Numbers
TRexOnGit
85
27 Feb 2025
Abundant Numbers
syspro86
81
27 Feb 2025
Abundant Numbers
ovs-code
35
26 Feb 2025
Abundant Numbers
not-a-pokemon
73
24 Feb 2025
Abundant Numbers
mishak-sys
72
24 Feb 2025
Abundant Numbers
kevinnaviapaiva
134
22 Feb 2025
Abundant Numbers
Maltaran
60
20 Feb 2025
Abundant Numbers
ShadowMoon501
78
20 Feb 2025
Abundant Numbers
emgordon154
81
19 Feb 2025
Abundant Numbers
bricknellj
697
18 Feb 2025
Abundant Numbers
wuminws
60
18 Feb 2025
Abundant Numbers
DanielBash
90
17 Feb 2025