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
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
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
Partition Numbers
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Set
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
Rockstar 2
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
Rockstar 2
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
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
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
Partition Numbers
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Set
Snake
Sphenic Numbers
Star Wars GPT
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Number Spiral
Natanaelel
25
2 days ago
Number Spiral
ovs-code
59
2 days ago
Number Spiral
2bular
19
3 days ago
Number Spiral
emgordon154
151
4 days ago
Number Spiral
BREMAUCY
343
4 days ago
Number Spiral
sean-niemann
🥇
120
5 days ago
Number Spiral
sean-niemann
🥉
115
5 days ago
Number Spiral
sean-niemann
135
5 days ago
Number Spiral
sean-niemann
104
5 days ago
Number Spiral
CornerMercury
172
7 days ago
Number Spiral
tatzyr
111
8 days ago
Number Spiral
kevinnaviapaiva
401
8 days ago
Number Spiral
kg583
🥈
133
9 days ago
Number Spiral
zacjl
💎
114
9 days ago
Number Spiral
targrik
137
11 days ago
Number Spiral
dokutan
314
12 days ago
Number Spiral
MeWhenI
341
13 days ago
Number Spiral
dokutan
292
13 days ago
Number Spiral
KatieLG
312
13 days ago
Number Spiral
dokutan
309
14 days ago
Number Spiral
dokutan
304
14 days ago
Number Spiral
dokutan
306
14 days ago
Number Spiral
error256
🥉
190
17 days ago
Number Spiral
HumanoidCPU
369
17 days ago
Number Spiral
DialFrost
🥈
190
17 days ago
Number Spiral
Yewzir
118
18 days ago
Number Spiral
emgordon154
💎
183
18 days ago
Number Spiral
ovs-code
39
18 days ago
Number Spiral
zacjl
37
18 days ago
Number Spiral
ovs-code
🥉
207
18 days ago
Number Spiral
Emutis
195
20 days ago
Number Spiral
lyphyser
💎
62
21 days ago
Number Spiral
CaedenHarper
305
22 days ago
Number Spiral
CaedenHarper
308
22 days ago
Number Spiral
CaedenHarper
301
22 days ago
Number Spiral
CaedenHarper
306
22 days ago
Number Spiral
CaedenHarper
371
22 days ago
Number Spiral
CaedenHarper
307
22 days ago
Number Spiral
CaedenHarper
467
22 days ago
Number Spiral
bzijlema
106
25 days ago
Number Spiral
HumanoidCPU
306
26 days ago
Number Spiral
RYSF13
312
26 days ago
Number Spiral
voytxt
211
27 days ago
Number Spiral
voytxt
108
27 days ago
Number Spiral
CaedenHarper
309
25 Jan 2025
Number Spiral
CaedenHarper
321
25 Jan 2025
Number Spiral
CaedenHarper
301
25 Jan 2025
Number Spiral
CaedenHarper
341
25 Jan 2025
Number Spiral
CaedenHarper
394
25 Jan 2025
Number Spiral
CaedenHarper
314
25 Jan 2025
Number Spiral
CaedenHarper
307
25 Jan 2025
Number Spiral
CaedenHarper
307
25 Jan 2025
Number Spiral
CaedenHarper
308
24 Jan 2025
Number Spiral
CaedenHarper
321
24 Jan 2025
Number Spiral
CaedenHarper
332
24 Jan 2025
Number Spiral
CaedenHarper
367
24 Jan 2025
Number Spiral
CaedenHarper
306
24 Jan 2025
Number Spiral
CaedenHarper
308
24 Jan 2025
Number Spiral
CaedenHarper
308
24 Jan 2025
Number Spiral
CaedenHarper
313
24 Jan 2025
Number Spiral
JunkIce
224
23 Jan 2025
Number Spiral
JunkIce
225
23 Jan 2025
Number Spiral
CaedenHarper
335
23 Jan 2025
Number Spiral
CaedenHarper
318
23 Jan 2025
Number Spiral
CaedenHarper
1,040
23 Jan 2025
Number Spiral
CaedenHarper
315
23 Jan 2025
Number Spiral
Yewzir
127
23 Jan 2025
Number Spiral
CLOStrophobic
146
22 Jan 2025
Number Spiral
CaedenHarper
311
22 Jan 2025
Number Spiral
CaedenHarper
306
22 Jan 2025
Number Spiral
CaedenHarper
320
22 Jan 2025
Number Spiral
CaedenHarper
321
22 Jan 2025
Number Spiral
CaedenHarper
619
22 Jan 2025
Number Spiral
msbranicky
271
20 Jan 2025
Number Spiral
LostSyntax21
65
19 Jan 2025