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
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)
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
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
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
ArkScript
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
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
ArkScript
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
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)
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
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Prime Numbers
dokutan
40
380ms
14 hours ago
Prime Numbers
Andrey2001
43
364ms
29 Jan 2026
Prime Numbers
CornerMercury
39
503ms
30 Dec 2025
Prime Numbers
tomh1012
60
388ms
11 Dec 2025
Prime Numbers
Florian-Mt
73
457ms
10 Dec 2025
Prime Numbers
snoozingnewt
40
432ms
7 Dec 2025
Prime Numbers
TheZwierzLF
60
509ms
24 Nov 2025
Prime Numbers
Babafaba
🥇
38
463ms
5 Nov 2025
Prime Numbers
CheeseCake628
46
411ms
18 Oct 2025
Prime Numbers
CaedenHarper
🥇
38
394ms
28 Aug 2025
Prime Numbers
SirBogman
41
370ms
12 Aug 2025
Prime Numbers
albanian-laundromat
40
451ms
9 Aug 2025
Prime Numbers
fuzzylojik-golf
🥇
38
372ms
2 Jul 2025
Prime Numbers
Mukundan314
39
471ms
16 Jun 2025
Prime Numbers
Stockoh
43
447ms
3 Mar 2025
Prime Numbers
HumanoidCPU
58
435ms
19 Feb 2025
Prime Numbers
acotis
103
400ms
19 Feb 2025
Prime Numbers
JunkIce
43
418ms
3 Dec 2024
Prime Numbers
lifthrasiir
41
411ms
2 Dec 2024
Prime Numbers
kg583
🥇
38
416ms
16 Oct 2024
Prime Numbers
emgordon154
41
393ms
10 Oct 2024
Prime Numbers
Mabeloid
64
496ms
3 Oct 2024
Prime Numbers
RedzGoose
44
421ms
10 Sep 2024
Prime Numbers
b-illy
🥇
38
396ms
7 Sep 2024
Prime Numbers
alemelis
41
398ms
1 Sep 2024
Prime Numbers
KatieLG
39
404ms
17 Aug 2024
Prime Numbers
KatieLG-Transpiler
107
394ms
16 Aug 2024
Prime Numbers
AlephSquirrel
39
357ms
19 Jul 2024
Prime Numbers
pardouin
🥇
38
418ms
21 Jun 2024
Prime Numbers
MeWhenI
39
409ms
24 May 2024
Prime Numbers
zt14427
105
424ms
13 May 2024
Prime Numbers
Jacob385
44
457ms
4 Apr 2024
Prime Numbers
duckyluuk
41
473ms
28 Mar 2024
Prime Numbers
neel11235813
39
550ms
10 Mar 2024
Prime Numbers
steffan-polygolf
62
418ms
7 Mar 2024
Prime Numbers
namelessiw
40
408ms
5 Mar 2024
Prime Numbers
lynn
🥇
38
525ms
17 Feb 2024
Prime Numbers
Yewzir
🥇
38
450ms
4 Feb 2024
Prime Numbers
xsot
🥇
38
394ms
29 Jan 2024
Prime Numbers
BREMAUCY
44
425ms
25 Jan 2024
Prime Numbers
GrayJoKing
🥇
38
445ms
22 Jan 2024
Prime Numbers
rucin93
🥇
38
477ms
21 Jan 2024
Prime Numbers
m-tkach
🥇
38
486ms
21 Jan 2024
Prime Numbers
ridingqwerty
41
440ms
18 Jan 2024
Prime Numbers
JayXon
🥇
38
481ms
18 Jan 2024
Prime Numbers
orthoplex
39
498ms
18 Jan 2024
Prime Numbers
bizy-coder
40
432ms
17 Jan 2024
Prime Numbers
sean-niemann
🥇
38
458ms
17 Jan 2024
Prime Numbers
msbranicky
50
525ms
16 Jan 2024
Prime Numbers
DialFrost
🥇
38
411ms
16 Jan 2024
Prime Numbers
Shanethegamer
43
497ms
16 Jan 2024
Prime Numbers
sisyphus-ppcg
🥇
38
461ms
16 Jan 2024
Prime Numbers
Steffan153
🥇
38
477ms
16 Jan 2024
Prime Numbers
Lydxn
🥇
38
406ms
16 Jan 2024
Prime Numbers
ovs-code
🥇
38
506ms
16 Jan 2024
Prime Numbers
GolfingSuccess
39
481ms
15 Jan 2024
Prime Numbers
inventshah
40
415ms
15 Jan 2024
Prime Numbers
commandz0
52
409ms
15 Jan 2024