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
√2
mossiegoat
112
23 hours ago
√2
Ultra814
56
40 hours ago
√2
YAJUE114514
592
2 days ago
√2
HumanoidCPU
1,004
2 days ago
√2
InigoK
54
4 days ago
√2
HumanoidCPU
1,031
6 days ago
√2
fuzzylojik-golf
🥈
26
6 days ago
√2
qpwoeirut
56
6 days ago
√2
fuzzylojik-golf
🥇
52
7 days ago
√2
fuzzylojik-golf
🥇
122
7 days ago
√2
fuzzylojik-golf
101
7 days ago
√2
AdrienHache
105
8 days ago
√2
fuzzylojik-golf
55
8 days ago
√2
Upload-and-View
68
10 days ago
√2
cthierfelder
68
12 days ago
√2
primo-ppcg
💎
266
14 days ago
√2
Shanethegamer
1,004
15 days ago
√2
acollett89
110
16 days ago
√2
CaedenHarper
1,012
16 days ago
√2
CaedenHarper
2,654
16 days ago
√2
csharpython
48
18 days ago
√2
Zhenyu-Bo
274
19 days ago
√2
ahmetdemirag
65
21 days ago
√2
Shanethegamer
1,023
22 days ago
√2
HumanoidCPU
1,012
23 days ago
√2
HumanoidCPU
1,023
23 days ago
√2
dokutan
606
23 days ago
√2
jasonxue1
55
25 days ago
√2
addmai
68
25 days ago
√2
BREMAUCY
55
25 days ago
√2
ovs-code
102
25 days ago
√2
ifneq
1,009
26 days ago
√2
gigaprofisi
65
26 days ago
√2
redweasel
58
26 days ago
√2
xiaoyiming123
56
27 days ago
√2
dokutan
879
27 days ago
√2
dokutan
591
27 days ago
√2
dokutan
654
27 days ago
√2
DialFrost
109
22 Jul 2025
√2
wuduculfre
🥇
49
22 Jul 2025
√2
sean-niemann
🥇
111
19 Jul 2025
√2
FlorianCassayre
100
19 Jul 2025
√2
RaBa21
80
18 Jul 2025
√2
ovs-code
🥈
110
18 Jul 2025
√2
ovs-code
💎
107
18 Jul 2025
√2
GoldStar184
68
17 Jul 2025
√2
dirckvdende
🥇
49
16 Jul 2025
√2
fuzzylojik-golf
🥇
98
16 Jul 2025
√2
sean-niemann
🥈
111
15 Jul 2025
√2
sainiayush
68
14 Jul 2025
√2
GrayJoKing
🥇
111
14 Jul 2025
√2
CaedenHarper
🥇
36
12 Jul 2025
√2
Flekay
65
10 Jul 2025
√2
clayboll99
69
10 Jul 2025
√2
albanian-laundromat
🥈
279
9 Jul 2025
√2
Protothor
71
9 Jul 2025
√2
fuzzylojik-golf
1,006
8 Jul 2025
√2
fuzzylojik-golf
1,004
8 Jul 2025
√2
Natanaelel
70
6 Jul 2025
√2
fuzzylojik-golf
🥇
36
4 Jul 2025
√2
targrik
187
4 Jul 2025
√2
dokutan
1,021
3 Jul 2025
√2
Shanethegamer
1,029
3 Jul 2025
√2
Shanethegamer
1,012
2 Jul 2025
√2
lukegustafson
🥇
49
1 Jul 2025
√2
dokutan
619
1 Jul 2025
√2
KasperKivimaeki
🥇
49
1 Jul 2025
√2
codewrite
221
1 Jul 2025
√2
kodaimasano
1,024
1 Jul 2025
√2
emgordon154
28
30 Jun 2025
√2
4atj
🥇
49
30 Jun 2025
√2
acotis
182
28 Jun 2025
√2
dokutan
1,302
28 Jun 2025
√2
sean-niemann
💎
94
25 Jun 2025
√2
XenThe
99
24 Jun 2025