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
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
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
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
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
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
Erlang
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
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
Erlang
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
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
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
√2
CaedenHarper
🥇
98
252ms
8 hours ago
√2
kmathis22
🥇
66
367ms
11 hours ago
√2
luuumine
1,007
2ms
15 hours ago
√2
gigaprofisi
🥇
66
401ms
25 hours ago
√2
luuumine
1,019
2ms
29 hours ago
√2
solisolu
67
46ms
39 hours ago
√2
olleicua
1,081
1ms
45 hours ago
√2
olleicua
1,009
580ms
2 days ago
√2
olleicua
1,045
814ms
2 days ago
√2
olleicua
1,011
1,908ms
2 days ago
√2
aalec
85
55ms
2 days ago
√2
HumanoidCPU
449
359ms
2 days ago
√2
MeWhenI
209
1,610ms
3 days ago
√2
dokutan
🥇
66
343ms
3 days ago
√2
MeWhenI
🥇
66
344ms
3 days ago
√2
dokutan
665
3ms
3 days ago
√2
ethanlally
🥇
66
340ms
3 days ago
√2
squid233
494
360ms
3 days ago
√2
gigaprofisi
1,015
3ms
4 days ago
√2
gigaprofisi
1,012
146ms
4 days ago
√2
gigaprofisi
1,011
4ms
4 days ago
√2
JOrE20
844
9ms
4 days ago
√2
JOrE20
2,942
2ms
4 days ago
√2
Soyo-Wind
124
364ms
4 days ago
√2
gigaprofisi
1,012
39ms
5 days ago
√2
snoozingnewt
756
67ms
5 days ago
√2
bitsandbeyond
55
353ms
5 days ago
√2
muslii4
71
12ms
6 days ago
√2
alexsave
82
9ms
6 days ago
√2
Chinay-Domitrix
56
2,268ms
7 days ago
√2
gigaprofisi
1,132
1,574ms
7 days ago
√2
webmiche
69
13ms
7 days ago
√2
snoozingnewt
🥇
48
338ms
11 days ago
√2
snoozingnewt
🥇
49
12ms
11 days ago
√2
luuumine
🥇
49
12ms
11 days ago
√2
Babafaba
🥇
48
296ms
11 days ago
√2
Babafaba
🥇
49
12ms
11 days ago
√2
TJK-S
80
12ms
13 days ago
√2
ndren
🥇
49
12ms
14 days ago
√2
CornerMercury
🥇
49
12ms
14 days ago
√2
snoozingnewt
🥇
36
1,903ms
15 days ago
√2
blaztoma
37
196ms
15 days ago
√2
Mabeloid
734
120ms
15 days ago
√2
rustykitty
71
12ms
16 days ago
√2
mossiegoat
103
13ms
16 days ago
√2
blaztoma
🥇
27
52ms
16 days ago
√2
KatieLG
1,025
139ms
17 days ago
√2
snoozingnewt
🥉
40
774ms
20 days ago
√2
CaedenHarper
114
361ms
22 days ago
√2
2bular
🥇
26
263ms
22 days ago
√2
albanian-laundromat
184
864ms
23 days ago
√2
JayXon
🥈
67
1,275ms
25 days ago
√2
JayXon
💎
57
1,027ms
25 days ago
√2
pardouin
🥈
58
866ms
25 days ago
√2
aiwana
238
75ms
25 days ago
√2
ovs-code
62
959ms
26 days ago
√2
stefangimmillaro
🥉
60
1,050ms
27 days ago
√2
ryyyn
🥇
49
13ms
27 days ago
√2
iczelia
2,598
3ms
27 days ago
√2
iczelia
28
57ms
27 days ago
√2
Code-Coder-coder
104
675ms
13 Oct 2025
√2
namelessiw
45
1,012ms
12 Oct 2025
√2
iczelia
71
21ms
10 Oct 2025
√2
snoozingnewt
88
348ms
10 Oct 2025
√2
snoozingnewt
63
2,013ms
10 Oct 2025
√2
WildTooth
85
349ms
10 Oct 2025
√2
WildTooth
57
1,998ms
10 Oct 2025
√2
emgordon154
165
1,605ms
9 Oct 2025
√2
DialFrost
🥇
66
346ms
7 Oct 2025
√2
namelessiw
🥇
66
341ms
7 Oct 2025
√2
bricknellj
🥇
49
13ms
7 Oct 2025
√2
HumanoidCPU
1,009
2ms
6 Oct 2025
√2
jacekwladzinski
73
14ms
6 Oct 2025
√2
Ultra814
54
9ms
6 Oct 2025
√2
stefangimmillaro
🥇
66
343ms
6 Oct 2025