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
Continued Fractions
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
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
Continued Fractions
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
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
Chars
Time
Submitted
Prime Numbers (Long)
luuumine
61
186ms
13 hours ago
Prime Numbers (Long)
Aquateraneal
94
1,897ms
2 days ago
Prime Numbers (Long)
CommandLeo
45
189ms
5 days ago
Prime Numbers (Long)
cthierfelder
97
502ms
6 days ago
Prime Numbers (Long)
Voltrifrodec
75
18ms
7 days ago
Prime Numbers (Long)
madeforlosers
67
2,347ms
8 days ago
Prime Numbers (Long)
Emutis
46
110ms
8 days ago
Prime Numbers (Long)
09cf
45
118ms
9 days ago
Prime Numbers (Long)
solisolu
65
2,883ms
13 days ago
Prime Numbers (Long)
TJK-S
78
1,544ms
22 Oct 2025
Prime Numbers (Long)
randolchance
🥇
44
124ms
19 Oct 2025
Prime Numbers (Long)
ApoChagi
45
192ms
18 Oct 2025
Prime Numbers (Long)
Babafaba
45
194ms
18 Oct 2025
Prime Numbers (Long)
CheeseCake628
47
126ms
16 Oct 2025
Prime Numbers (Long)
Code-Coder-coder
65
192ms
11 Oct 2025
Prime Numbers (Long)
jacekwladzinski
64
165ms
4 Oct 2025
Prime Numbers (Long)
miaoaixuan
45
191ms
30 Sep 2025
Prime Numbers (Long)
BrunoVisnadi
45
191ms
23 Sep 2025
Prime Numbers (Long)
SectorCorruptor
63
164ms
21 Sep 2025
Prime Numbers (Long)
albanian-laundromat
56
164ms
16 Sep 2025
Prime Numbers (Long)
FortuiteMan
45
181ms
16 Sep 2025
Prime Numbers (Long)
blaztoma
45
190ms
15 Sep 2025
Prime Numbers (Long)
0dyse
63
182ms
12 Sep 2025
Prime Numbers (Long)
CopperyMarrow15
56
2,792ms
1 Sep 2025
Prime Numbers (Long)
Matter1024
70
187ms
25 Aug 2025
Prime Numbers (Long)
katss2
64
858ms
20 Aug 2025
Prime Numbers (Long)
ngrh22395
185
1,032ms
19 Aug 2025
Prime Numbers (Long)
wobblybits
85
15ms
19 Aug 2025
Prime Numbers (Long)
Upload-and-View
145
12ms
16 Aug 2025
Prime Numbers (Long)
osNiko
64
176ms
15 Aug 2025
Prime Numbers (Long)
Troon
67
2,907ms
15 Aug 2025
Prime Numbers (Long)
SirBogman
🥇
44
123ms
12 Aug 2025
Prime Numbers (Long)
qpwoeirut
45
193ms
11 Aug 2025
Prime Numbers (Long)
jasonxue1
61
167ms
8 Aug 2025
Prime Numbers (Long)
Zhenyu-Bo
339
17ms
1 Aug 2025
Prime Numbers (Long)
amberzit
45
119ms
29 Jul 2025
Prime Numbers (Long)
ryyyn
🥇
44
123ms
29 Jul 2025
Prime Numbers (Long)
duckyluuk
🥇
44
125ms
24 Jul 2025
Prime Numbers (Long)
LostSyntax21
47
195ms
24 Jul 2025
Prime Numbers (Long)
dirckvdende
🥇
44
123ms
23 Jul 2025
Prime Numbers (Long)
wuduculfre
45
202ms
22 Jul 2025
Prime Numbers (Long)
csharpython
62
2,833ms
18 Jul 2025
Prime Numbers (Long)
mossiegoat
65
272ms
17 Jul 2025
Prime Numbers (Long)
RaBa21
57
165ms
17 Jul 2025
Prime Numbers (Long)
AstroOrbis
67
190ms
17 Jul 2025
Prime Numbers (Long)
redweasel
63
145ms
14 Jul 2025
Prime Numbers (Long)
clayboll99
74
1,487ms
11 Jul 2025
Prime Numbers (Long)
lukegustafson
🥇
44
125ms
2 Jul 2025
Prime Numbers (Long)
YAJUE114514
64
182ms
1 Jul 2025
Prime Numbers (Long)
fuzzylojik-golf
🥇
44
123ms
1 Jul 2025
Prime Numbers (Long)
dokutan
45
190ms
30 Jun 2025
Prime Numbers (Long)
bknower
63
166ms
29 Jun 2025
Prime Numbers (Long)
KasperKivimaeki
45
204ms
29 Jun 2025
Prime Numbers (Long)
123mjb
74
1,073ms
27 Jun 2025
Prime Numbers (Long)
smilesformiles3
63
168ms
21 Jun 2025
Prime Numbers (Long)
jipsong
61
166ms
20 Jun 2025
Prime Numbers (Long)
PotatoSaladOverlord
69
184ms
20 Jun 2025
Prime Numbers (Long)
Flekay
45
190ms
19 Jun 2025
Prime Numbers (Long)
taesungh
64
1,661ms
7 Jun 2025
Prime Numbers (Long)
Lv0Sys
46
191ms
4 Jun 2025
Prime Numbers (Long)
ffelixm
81
2,194ms
3 Jun 2025
Prime Numbers (Long)
erikji
66
165ms
23 May 2025
Prime Numbers (Long)
40fied4t
62
73ms
21 May 2025
Prime Numbers (Long)
kistlerf
61
3,371ms
19 May 2025
Prime Numbers (Long)
EnisEfe0
104
246ms
18 May 2025
Prime Numbers (Long)
TheZwierzLF
66
165ms
17 May 2025
Prime Numbers (Long)
rustykitty
71
1,021ms
2 May 2025
Prime Numbers (Long)
zacjl
62
249ms
26 Apr 2025
Prime Numbers (Long)
Akilles1
112
4,328ms
23 Apr 2025
Prime Numbers (Long)
emgordon154
45
190ms
20 Apr 2025
Prime Numbers (Long)
SondreWold
191
12ms
11 Apr 2025
Prime Numbers (Long)
4atj
🥇
44
125ms
8 Apr 2025
Prime Numbers (Long)
Camaendir
45
194ms
4 Apr 2025
Prime Numbers (Long)
Mukundan314
45
118ms
4 Apr 2025
Prime Numbers (Long)
plcc0
55
252ms
30 Mar 2025