Recent Solutions
Prev Hole
Play Hole
Next Hole
Achievements
Cheevos
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Multitap Input
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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
ALGOL 68
ArkScript
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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
Multitap Input
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)
Taxicab Numbers
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
√2
arcpolaris
122
480ms
8 days ago
√2
kasarino
161
1,069ms
18 days ago
√2
JOrE20
1,037
420ms
4 Jan 2026
√2
amazingalek
660
456ms
1 Jan 2026
√2
mwarvik
1,020
441ms
24 Dec 2025
√2
Soyo-Wind
124
532ms
6 Nov 2025
√2
CaedenHarper
114
445ms
19 Oct 2025
√2
tomh1012
122
447ms
8 Sep 2025
√2
fuzzylojik-golf
101
462ms
13 Aug 2025
√2
AdrienHache
105
649ms
12 Aug 2025
√2
DialFrost
109
620ms
22 Jul 2025
√2
kodaimasano
1,024
418ms
1 Jul 2025
√2
Yax42
105
416ms
25 Dec 2024
√2
madeforlosers
1,020
351ms
17 Dec 2024
√2
petr-svestka
227
472ms
4 Nov 2024
√2
aliakseikalosha
124
572ms
17 Oct 2024
√2
Mabeloid
1,020
443ms
16 Sep 2024
√2
dokutan
749
408ms
21 Aug 2024
√2
namelessiw
111
410ms
30 Jul 2024
√2
rifatx
1,020
386ms
14 Jul 2024
√2
Yewzir
144
442ms
6 Jun 2024
√2
Jacob385
1,020
395ms
2 May 2024
√2
HumanoidCPU
1,020
462ms
17 Apr 2024
√2
olleicua
1,024
445ms
10 Mar 2024
√2
msbranicky
590
403ms
10 Jan 2024
√2
SirBogman
113
496ms
9 Jan 2024
√2
LS2021
117
515ms
24 Nov 2023
√2
annaproxy
115
483ms
27 Oct 2023
√2
sean-niemann
102
441ms
7 Aug 2023
√2
Adix-null
1,020
390ms
29 Jul 2023
√2
stefangimmillaro
116
491ms
18 Jul 2023
√2
postie77
143
483ms
13 Jun 2023
√2
Shanethegamer
223
477ms
13 Apr 2023
√2
btnlq
🥉
95
503ms
3 Mar 2023
√2
tomtheisen
🥇
91
475ms
29 Jan 2023
√2
retrohun
1,020
415ms
28 Dec 2022
√2
MeWhenI
118
489ms
8 Dec 2022
√2
SmartK8
122
499ms
1 Nov 2022
√2
KatieLG
921
934ms
24 Oct 2022
√2
destofr
1,024
396ms
13 Oct 2022
√2
ricbuz94
1,024
458ms
31 Aug 2022
√2
hamhub7
278
497ms
19 Aug 2022
√2
ms-tingliang
161
483ms
5 Aug 2022
√2
KatieLG-Transpiler
1,024
389ms
23 Jun 2022
√2
rowboat1
1,024
513ms
18 Jun 2022
√2
Nik-Sharp
1,020
462ms
23 Mar 2022
√2
voytxt
1,020
408ms
6 Mar 2022
√2
Waffle3z
1,024
398ms
21 Nov 2021
√2
RYNO8
1,024
503ms
21 Nov 2021
√2
primo-ppcg
101
475ms
21 Nov 2021
√2
nwellnhof
103
419ms
21 Nov 2021
√2
mokymok
1,024
448ms
21 Nov 2021
√2
Lydxn
🥇
91
498ms
21 Nov 2021
√2
Meowsan91
1,020
401ms
21 Nov 2021
√2
janbehrens
128
498ms
21 Nov 2021
√2
JayXon
101
467ms
21 Nov 2021
√2
iznax
138
540ms
21 Nov 2021
√2
mothcolada
1,024
382ms
21 Nov 2021
√2
billings7
110
440ms
21 Nov 2021
√2
c0d3-4-F00d
1,020
414ms
21 Nov 2021
√2
bendapootie
139
483ms
21 Nov 2021
√2
bac0id
1,020
407ms
21 Nov 2021