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)
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
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab 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)
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
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Prime Numbers (Long)
retrohun
7,351
1,722ms
5 hours ago
Prime Numbers (Long)
Yewzir
🥇
136
1,661ms
14 hours ago
Prime Numbers (Long)
madex
🥇
67
149ms
31 hours ago
Prime Numbers (Long)
madex
44
1,394ms
32 hours ago
Prime Numbers (Long)
madex
34
45ms
32 hours ago
Prime Numbers (Long)
madex
98
319ms
32 hours ago
Prime Numbers (Long)
madex
37
1,816ms
32 hours ago
Prime Numbers (Long)
madex
60
770ms
32 hours ago
Prime Numbers (Long)
madex
58
39ms
32 hours ago
Prime Numbers (Long)
madex
24
123ms
32 hours ago
Prime Numbers (Long)
madex
78
108ms
32 hours ago
Prime Numbers (Long)
madex
56
1,823ms
32 hours ago
Prime Numbers (Long)
madex
48
117ms
32 hours ago
Prime Numbers (Long)
madex
🥇
44
130ms
35 hours ago
Prime Numbers (Long)
madex
🥇
38
60ms
35 hours ago
Prime Numbers (Long)
someCoder-a11y
5
1,950ms
40 hours ago
Prime Numbers (Long)
JayXon
🥇
60
1,474ms
43 hours ago
Prime Numbers (Long)
sean-niemann
🥇
60
1,539ms
43 hours ago
Prime Numbers (Long)
dokutan
87
1,468ms
2 days ago
Prime Numbers (Long)
jusaka
203
19ms
2 days ago
Prime Numbers (Long)
jusaka
5,954
7ms
2 days ago
Prime Numbers (Long)
jusaka
5,949
169ms
2 days ago
Prime Numbers (Long)
jusaka
7,188
2ms
2 days ago
Prime Numbers (Long)
jusaka
7,186
15ms
2 days ago
Prime Numbers (Long)
jusaka
7,198
193ms
2 days ago
Prime Numbers (Long)
jusaka
7,191
2ms
2 days ago
Prime Numbers (Long)
jusaka
15
121ms
2 days ago
Prime Numbers (Long)
jusaka
5,950
436ms
2 days ago
Prime Numbers (Long)
jusaka
104
288ms
2 days ago
Prime Numbers (Long)
jusaka
47
6ms
2 days ago
Prime Numbers (Long)
jusaka
364
41ms
2 days ago
Prime Numbers (Long)
jusaka
5,959
255ms
2 days ago
Prime Numbers (Long)
MeWhenI
143
2,240ms
2 days ago
Prime Numbers (Long)
jusaka
200
6ms
2 days ago
Prime Numbers (Long)
jusaka
12,640
6ms
2 days ago
Prime Numbers (Long)
jusaka
7,233
298ms
2 days ago
Prime Numbers (Long)
jusaka
7,208
78ms
2 days ago
Prime Numbers (Long)
jusaka
7,225
66ms
2 days ago
Prime Numbers (Long)
jusaka
7,188
13ms
2 days ago
Prime Numbers (Long)
jusaka
7,199
63ms
2 days ago
Prime Numbers (Long)
jusaka
172
8ms
2 days ago
Prime Numbers (Long)
jusaka
213
8ms
2 days ago
Prime Numbers (Long)
jusaka
97
11ms
2 days ago
Prime Numbers (Long)
jusaka
198
4ms
2 days ago
Prime Numbers (Long)
Steffan153
64
1,113ms
2 days ago
Prime Numbers (Long)
jusaka
25
39ms
2 days ago
Prime Numbers (Long)
MeWhenI
68
1,583ms
2 days ago
Prime Numbers (Long)
ComradeSquirrel
63
162ms
2 days ago
Prime Numbers (Long)
jusaka
205
98ms
2 days ago
Prime Numbers (Long)
DialFrost
68
2,178ms
3 days ago
Prime Numbers (Long)
jusaka
288
116ms
3 days ago
Prime Numbers (Long)
Steffan153
🥇
60
1,696ms
3 days ago
Prime Numbers (Long)
jusaka
274
1,119ms
3 days ago
Prime Numbers (Long)
jusaka
203
30ms
3 days ago
Prime Numbers (Long)
msbranicky
179
1,713ms
3 days ago
Prime Numbers (Long)
KatieLG
7,376
1,740ms
3 days ago
Prime Numbers (Long)
prestosilver
144
1,685ms
3 days ago
Prime Numbers (Long)
jusaka
198
3ms
3 days ago
Prime Numbers (Long)
jusaka
7
145ms
3 days ago
Prime Numbers (Long)
jusaka
7,237
1,951ms
3 days ago
Prime Numbers (Long)
GolfingSuccess
🥇
53
301ms
3 days ago
Prime Numbers (Long)
HumanoidCPU
154
1,740ms
3 days ago
Prime Numbers (Long)
Jonson26
81
3,688ms
3 days ago
Prime Numbers (Long)
Jonson26
98
459ms
3 days ago
Prime Numbers (Long)
NameRandomString
75
253ms
3 days ago
Prime Numbers (Long)
Shanethegamer
105
2,266ms
3 days ago
Prime Numbers (Long)
CaedenHarper
7,238
1,598ms
3 days ago
Prime Numbers (Long)
Steffan153
🥇
56
177ms
3 days ago
Prime Numbers (Long)
dokutan
147
1,945ms
3 days ago
Prime Numbers (Long)
caleblin125
68
3,077ms
4 days ago
Prime Numbers (Long)
Steffan153
10
3,351ms
4 days ago
Prime Numbers (Long)
sultan
79
371ms
4 days ago
Prime Numbers (Long)
dokutan
149
2,344ms
5 days ago
Prime Numbers (Long)
plcc0
🥇
44
124ms
5 days ago
Prime Numbers (Long)
flekAI
147
173ms
6 days ago
Prime Numbers (Long)
flekAI
139
45ms
6 days ago
Prime Numbers (Long)
flekAI
116
119ms
6 days ago
Prime Numbers (Long)
flekAI
131
1,451ms
6 days ago
Prime Numbers (Long)
flekAI
87
93ms
6 days ago
Prime Numbers (Long)
flekAI
115
420ms
6 days ago