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
Bytes
Time
Submitted
Prime Numbers (Long)
albanian-laundromat
252
1,366ms
7 hours ago
Prime Numbers (Long)
kg583
🥇
51
392ms
9 hours ago
Prime Numbers (Long)
kg583
🥇
60
56ms
10 hours ago
Prime Numbers (Long)
TheZwierzLF
60
584ms
22 hours ago
Prime Numbers (Long)
albanian-laundromat
74
200ms
37 hours ago
Prime Numbers (Long)
JOrE20
58
19ms
45 hours ago
Prime Numbers (Long)
HumanoidCPU
63
137ms
2 days ago
Prime Numbers (Long)
Aarze18
311
60ms
2 days ago
Prime Numbers (Long)
sunleonid
🥇
44
120ms
2 days ago
Prime Numbers (Long)
TheZwierzLF
65
193ms
3 days ago
Prime Numbers (Long)
HumanoidCPU
72
449ms
3 days ago
Prime Numbers (Long)
HumanoidCPU
73
438ms
3 days ago
Prime Numbers (Long)
KatieLG
5,958
1ms
3 days ago
Prime Numbers (Long)
KatieLG
7,184
2ms
3 days ago
Prime Numbers (Long)
KatieLG
7,218
5ms
3 days ago
Prime Numbers (Long)
DialFrost
🥇
56
129ms
4 days ago
Prime Numbers (Long)
DialFrost
99
289ms
4 days ago
Prime Numbers (Long)
AlephSquirrel
48
207ms
4 days ago
Prime Numbers (Long)
prestosilver
71
64ms
4 days ago
Prime Numbers (Long)
jiaminglimjm
200
1,401ms
5 days ago
Prime Numbers (Long)
luuumine
96
125ms
5 days ago
Prime Numbers (Long)
luuumine
61
163ms
5 days ago
Prime Numbers (Long)
dokutan
58
1,224ms
5 days ago
Prime Numbers (Long)
luuumine
🥇
67
136ms
5 days ago
Prime Numbers (Long)
pardouin
57
993ms
6 days ago
Prime Numbers (Long)
Shanethegamer
59
1,217ms
6 days ago
Prime Numbers (Long)
ovs-code
55
1,188ms
6 days ago
Prime Numbers (Long)
GrayJoKing
55
1,122ms
6 days ago
Prime Numbers (Long)
JayXon
🥇
53
55ms
6 days ago
Prime Numbers (Long)
rucin93
🥇
53
329ms
6 days ago
Prime Numbers (Long)
sean-niemann
🥇
53
57ms
6 days ago
Prime Numbers (Long)
Yewzir
🥇
53
512ms
6 days ago
Prime Numbers (Long)
DialFrost
54
323ms
6 days ago
Prime Numbers (Long)
dokutan
68
171ms
6 days ago
Prime Numbers (Long)
KasperKivimaeki
81
2,050ms
6 days ago
Prime Numbers (Long)
DialFrost
9
134ms
6 days ago
Prime Numbers (Long)
KatieLG
4,206
64ms
6 days ago
Prime Numbers (Long)
0xjac
100
246ms
7 days ago
Prime Numbers (Long)
dommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmy
60
72ms
7 days ago
Prime Numbers (Long)
Aquateraneal
94
1,897ms
7 days ago
Prime Numbers (Long)
Cube14yt
11
2,074ms
9 days ago
Prime Numbers (Long)
HumanoidCPU
8,415
87ms
9 days ago
Prime Numbers (Long)
Yewzir
48
2,313ms
9 days ago
Prime Numbers (Long)
xsot
🥇
40
842ms
10 days ago
Prime Numbers (Long)
CommandLeo
45
189ms
10 days ago
Prime Numbers (Long)
Yewzir
🥉
138
1,622ms
11 days ago
Prime Numbers (Long)
DialFrost
🥇
58
146ms
11 days ago
Prime Numbers (Long)
DialFrost
🥇
45
1,137ms
11 days ago
Prime Numbers (Long)
DialFrost
57
40ms
11 days ago
Prime Numbers (Long)
DialFrost
🥇
71
368ms
11 days ago
Prime Numbers (Long)
DialFrost
🥇
66
388ms
11 days ago
Prime Numbers (Long)
cthierfelder
97
502ms
11 days ago
Prime Numbers (Long)
stephanie-flower
101
14ms
11 days ago
Prime Numbers (Long)
albanian-laundromat
118
204ms
12 days ago
Prime Numbers (Long)
HumanoidCPU
7,184
1ms
12 days ago
Prime Numbers (Long)
Voltrifrodec
75
18ms
12 days ago
Prime Numbers (Long)
CaedenHarper
7,184
2ms
12 days ago
Prime Numbers (Long)
DialFrost
🥇
40
802ms
13 days ago
Prime Numbers (Long)
FortuiteMan
🥇
13
2ms
13 days ago
Prime Numbers (Long)
FortuiteMan
🥈
50
200ms
13 days ago
Prime Numbers (Long)
FortuiteMan
44
433ms
13 days ago
Prime Numbers (Long)
StronkCheese2
91
31ms
13 days ago
Prime Numbers (Long)
madeforlosers
67
2,347ms
13 days ago
Prime Numbers (Long)
Emutis
46
110ms
13 days ago
Prime Numbers (Long)
namelessiw
🥇
67
141ms
14 days ago
Prime Numbers (Long)
CaedenHarper
287
175ms
14 days ago
Prime Numbers (Long)
HumanoidCPU
13,321
74ms
14 days ago
Prime Numbers (Long)
luuumine
73
60ms
14 days ago
Prime Numbers (Long)
09cf
45
118ms
15 days ago
Prime Numbers (Long)
blaztoma
48
23ms
15 days ago
Prime Numbers (Long)
blaztoma
122
43ms
15 days ago
Prime Numbers (Long)
blaztoma
51
191ms
15 days ago
Prime Numbers (Long)
Soyo-Wind
92
404ms
16 days ago
Prime Numbers (Long)
HumanoidCPU
9,635
13ms
16 days ago
Prime Numbers (Long)
albanian-laundromat
62
4,313ms
16 days ago