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
tomh1012
103
1,406ms
8 days ago
Prime Numbers
emgordon154
78
57ms
21 days ago
Prime Numbers
novaspaced
101
62ms
30 Jan 2026
Prime Numbers
Andrey2001
112
56ms
29 Jan 2026
Prime Numbers
balloffur
106
437ms
23 Dec 2025
Prime Numbers
luuumine
92
60ms
10 Dec 2025
Prime Numbers
Kondzip
246
1,375ms
27 Nov 2025
Prime Numbers
KasperKivimaeki
76
438ms
19 Nov 2025
Prime Numbers
snoozingnewt
95
434ms
6 Oct 2025
Prime Numbers
matejmatik123
108
1,303ms
26 Sep 2025
Prime Numbers
sh2824
157
349ms
18 Sep 2025
Prime Numbers
timhaj
88
56ms
17 Sep 2025
Prime Numbers
wojtekmal
77
53ms
6 Sep 2025
Prime Numbers
fuzzylojik-golf
80
57ms
14 Aug 2025
Prime Numbers
gjoacorp
96
61ms
3 Aug 2025
Prime Numbers
dokutan
82
59ms
14 Jul 2025
Prime Numbers
Lv0Sys
122
1,339ms
25 May 2025
Prime Numbers
qwertyuiop3
80
55ms
15 May 2025
Prime Numbers
0dyse
113
60ms
29 Apr 2025
Prime Numbers
FreezB11
160
1,386ms
16 Mar 2025
Prime Numbers
JayXon
💎
73
56ms
10 Mar 2025
Prime Numbers
kevinnaviapaiva
220
1,405ms
25 Feb 2025
Prime Numbers
acotis
151
1,375ms
19 Feb 2025
Prime Numbers
nents
108
439ms
24 Jan 2025
Prime Numbers
CaedenHarper
106
53ms
23 Jan 2025
Prime Numbers
sean-niemann
78
57ms
17 Jan 2025
Prime Numbers
qewdweftr4g
126
1,379ms
16 Oct 2024
Prime Numbers
Herbert00709
77
58ms
16 Oct 2024
Prime Numbers
Mandrzejy
79
4,998ms
16 Oct 2024
Prime Numbers
snyderek
77
52ms
13 Oct 2024
Prime Numbers
Mabeloid
139
1,335ms
4 Oct 2024
Prime Numbers
abbyonstott
158
58ms
2 Oct 2024
Prime Numbers
aDwarfNamedUrist
116
60ms
11 Sep 2024
Prime Numbers
huet630
134
54ms
1 Sep 2024
Prime Numbers
jxy2012
83
417ms
27 Aug 2024
Prime Numbers
pardouin
81
57ms
24 Aug 2024
Prime Numbers
lailai0916
81
442ms
17 Aug 2024
Prime Numbers
Blockyheadman
128
61ms
14 Aug 2024
Prime Numbers
tailorspy
80
58ms
5 Aug 2024
Prime Numbers
zygoloid
81
52ms
4 Aug 2024
Prime Numbers
Dpxx
115
1,320ms
1 Aug 2024
Prime Numbers
CarsonChr
186
1,423ms
26 Jul 2024
Prime Numbers
Florian-Mt
119
1,372ms
9 Jul 2024
Prime Numbers
BpbjsGreen
105
55ms
7 Jul 2024
Prime Numbers
jstechman
143
1,375ms
12 Jun 2024
Prime Numbers
ovs-code
78
57ms
4 May 2024
Prime Numbers
itljan30
142
1,377ms
16 Apr 2024
Prime Numbers
roupiq
78
52ms
14 Apr 2024
Prime Numbers
KatieLG
151
1,373ms
23 Mar 2024
Prime Numbers
oceko
80
55ms
5 Mar 2024
Prime Numbers
SadiinsoSnowfall
80
54ms
5 Mar 2024
Prime Numbers
bac0id
93
55ms
23 Feb 2024
Prime Numbers
HumanoidCPU
97
59ms
3 Feb 2024
Prime Numbers
byronknoll
82
56ms
1 Feb 2024
Prime Numbers
xsot
77
429ms
30 Jan 2024
Prime Numbers
MateuszPietrzak
89
60ms
28 Jan 2024
Prime Numbers
theunofficialcoder
358
1,329ms
21 Jan 2024
Prime Numbers
f-tucker
98
55ms
8 Jan 2024
Prime Numbers
AdrienHache
80
56ms
6 Jan 2024
Prime Numbers
Vikmanou
119
1,386ms
18 Dec 2023
Prime Numbers
09cf
🥈
74
4,994ms
22 Nov 2023
Prime Numbers
Betuaredead
81
55ms
14 Nov 2023
Prime Numbers
DialFrost
79
57ms
3 Nov 2023
Prime Numbers
willpiam
155
56ms
16 Oct 2023
Prime Numbers
m-tkach
78
409ms
12 Oct 2023
Prime Numbers
inverseLorentz
112
61ms
12 Oct 2023
Prime Numbers
zt14427
140
1,342ms
30 Aug 2023
Prime Numbers
msbranicky
108
55ms
22 Aug 2023
Prime Numbers
Irratix
78
51ms
3 Aug 2023
Prime Numbers
CornerMercury
84
54ms
2 Aug 2023
Prime Numbers
ndren
84
57ms
2 Aug 2023
Prime Numbers
Pyro569
116
57ms
30 Jul 2023
Prime Numbers
Sam-Davis2_pace
145
1,394ms
26 Jul 2023
Prime Numbers
namcartoon06
99
59ms
15 Jul 2023
Prime Numbers
Walter225
102
59ms
10 Jul 2023
Prime Numbers
jorbDehmel
105
57ms
17 Jun 2023
Prime Numbers
Yewzir
81
56ms
20 May 2023
Prime Numbers
JackieAlacrity2373
437
1,440ms
18 May 2023
Prime Numbers
Shanethegamer
82
55ms
29 Mar 2023
Prime Numbers
veehz
95
53ms
21 Feb 2023