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
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
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
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
Multitap Input
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
><>
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
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
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
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
Calendar
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
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
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
Multitap Input
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
Chars
Time
Submitted
Smith Numbers
alexsave
124
84ms
2 hours ago
Smith Numbers
Frowny
🥉
38
48ms
13 hours ago
Smith Numbers
JayXon
💎
201
1,868ms
28 hours ago
Smith Numbers
DialFrost
🥈
208
2,159ms
29 hours ago
Smith Numbers
blaztoma
🥉
179
150ms
34 hours ago
Smith Numbers
blaztoma
129
2,129ms
34 hours ago
Smith Numbers
nemoyatpeace
193
426ms
6 days ago
Smith Numbers
dokutan
449
9ms
8 days ago
Smith Numbers
IISResetMe
233
2,106ms
9 days ago
Smith Numbers
KatieLG
🥈
290
1,315ms
10 days ago
Smith Numbers
KatieLG-Transpiler
2,202
3ms
11 days ago
Smith Numbers
KatieLG-Transpiler
2,207
11ms
11 days ago
Smith Numbers
KatieLG-Transpiler
2,205
3ms
11 days ago
Smith Numbers
dokutan
🥉
972
12ms
14 days ago
Smith Numbers
qpwoeirut
187
961ms
14 days ago
Smith Numbers
mwarvik
1,842
335ms
14 days ago
Smith Numbers
JOrE20
1,864
12ms
17 days ago
Smith Numbers
cros107
150
687ms
18 days ago
Smith Numbers
HumanoidCPU
1,832
6ms
18 days ago
Smith Numbers
2bular
39
46ms
20 days ago
Smith Numbers
2bular
🥉
50
1,787ms
20 days ago
Smith Numbers
MeWhenI
147
100ms
20 days ago
Smith Numbers
DialFrost
💎
134
482ms
20 days ago
Smith Numbers
NoneTheFewer
315
37ms
22 days ago
Smith Numbers
noahdorsch
804
1,033ms
22 days ago
Smith Numbers
kg583
💎
112
4,765ms
22 days ago
Smith Numbers
edsrzf
🥈
114
4,755ms
22 days ago
Smith Numbers
kg583
132
1,440ms
22 days ago
Smith Numbers
kg583
🥇
139
638ms
22 days ago
Smith Numbers
edsrzf
🥉
106
4,465ms
22 days ago
Smith Numbers
edsrzf
🥇
139
235ms
22 days ago
Smith Numbers
edsrzf
💎
170
388ms
22 days ago
Smith Numbers
kg583
83
3,656ms
22 days ago
Smith Numbers
emgordon154
225
1,796ms
23 days ago
Smith Numbers
HumanoidCPU
953
670ms
23 days ago
Smith Numbers
edsrzf
199
1,462ms
24 days ago
Smith Numbers
edsrzf
🥈
118
641ms
24 days ago
Smith Numbers
dokutan
617
3ms
24 days ago
Smith Numbers
MeWhenI
1,498
5ms
25 days ago
Smith Numbers
Shanethegamer
1,844
3ms
26 days ago
Smith Numbers
TheZwierzLF
128
139ms
27 days ago
Smith Numbers
Bmrl7
141
2,872ms
22 Dec 2025
Smith Numbers
HumanoidCPU
282
441ms
22 Dec 2025
Smith Numbers
HumanoidCPU
112
1,316ms
22 Dec 2025
Smith Numbers
HumanoidCPU
112
957ms
22 Dec 2025
Smith Numbers
JayXon
💎
114
4,098ms
21 Dec 2025
Smith Numbers
ovs-code
🥈
115
3,328ms
21 Dec 2025
Smith Numbers
HumanoidCPU
290
4,325ms
21 Dec 2025
Smith Numbers
HumanoidCPU
2,219
3ms
21 Dec 2025
Smith Numbers
HumanoidCPU
2,227
4ms
21 Dec 2025
Smith Numbers
HumanoidCPU
417
105ms
21 Dec 2025
Smith Numbers
HumanoidCPU
420
128ms
21 Dec 2025
Smith Numbers
albanian-laundromat
165
358ms
20 Dec 2025
Smith Numbers
CornerMercury
86
2,949ms
19 Dec 2025
Smith Numbers
KasperKivimaeki
133
587ms
18 Dec 2025
Smith Numbers
emgordon154
1,831
1ms
17 Dec 2025
Smith Numbers
Mukundan314
79
3,365ms
15 Dec 2025
Smith Numbers
KasperKivimaeki
💎
92
4,892ms
15 Dec 2025
Smith Numbers
DialFrost
121
1,756ms
15 Dec 2025
Smith Numbers
JayXon
🥇
120
542ms
14 Dec 2025
Smith Numbers
edsrzf
127
2,824ms
14 Dec 2025
Smith Numbers
dokutan
590
87ms
12 Dec 2025
Smith Numbers
dokutan
431
117ms
12 Dec 2025
Smith Numbers
Maashau
1,840
1ms
12 Dec 2025
Smith Numbers
dokutan
604
785ms
10 Dec 2025
Smith Numbers
KasperKivimaeki
182
346ms
10 Dec 2025
Smith Numbers
KasperKivimaeki
🥇
120
556ms
10 Dec 2025
Smith Numbers
KasperKivimaeki
💎
127
406ms
10 Dec 2025
Smith Numbers
KasperKivimaeki
💎
94
2,241ms
10 Dec 2025
Smith Numbers
CaedenHarper
113
4,431ms
8 Dec 2025
Smith Numbers
bizy-coder
115
3,148ms
8 Dec 2025
Smith Numbers
CaedenHarper
120
3,866ms
8 Dec 2025
Smith Numbers
ovs-code
🥈
97
3,805ms
8 Dec 2025
Smith Numbers
HumanoidCPU
1,877
245ms
7 Dec 2025
Smith Numbers
HumanoidCPU
3,327
2ms
6 Dec 2025
Smith Numbers
JOrE20
144
17ms
6 Dec 2025
Smith Numbers
Lv0Sys
105
24ms
5 Dec 2025
Smith Numbers
Lv0Sys
159
44ms
5 Dec 2025
Smith Numbers
Lv0Sys
102
75ms
5 Dec 2025
Smith Numbers
Andrey2001
218
1,275ms
4 Dec 2025