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
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
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
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
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
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
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
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
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
Bytes
Time
Submitted
Smooth Numbers
GolfingSuccess
91
55ms
18 hours ago
Smooth Numbers
GolfingSuccess
156
319ms
2 days ago
Smooth Numbers
GolfingSuccess
127
186ms
2 days ago
Smooth Numbers
GolfingSuccess
126
971ms
2 days ago
Smooth Numbers
GolfingSuccess
128
284ms
4 days ago
Smooth Numbers
GolfingSuccess
230
867ms
4 days ago
Smooth Numbers
GolfingSuccess
171
1,260ms
4 days ago
Smooth Numbers
GolfingSuccess
150
413ms
4 days ago
Smooth Numbers
GolfingSuccess
137
4,786ms
4 days ago
Smooth Numbers
khvdm
80
797ms
10 days ago
Smooth Numbers
albanian-laundromat
121
123ms
14 days ago
Smooth Numbers
AlephSquirrel
128
89ms
15 days ago
Smooth Numbers
GolfingSuccess
77
208ms
15 days ago
Smooth Numbers
GolfingSuccess
80
99ms
15 days ago
Smooth Numbers
GolfingSuccess
126
738ms
15 days ago
Smooth Numbers
GolfingSuccess
126
571ms
15 days ago
Smooth Numbers
GolfingSuccess
101
9ms
15 days ago
Smooth Numbers
Shanethegamer
147
668ms
15 days ago
Smooth Numbers
snoozingnewt
108
747ms
15 days ago
Smooth Numbers
hallvabo
89
562ms
15 days ago
Smooth Numbers
Shanethegamer
74
16ms
15 days ago
Smooth Numbers
Shanethegamer
130
433ms
15 days ago
Smooth Numbers
Shanethegamer
131
359ms
15 days ago
Smooth Numbers
Shanethegamer
72
131ms
15 days ago
Smooth Numbers
Shanethegamer
193
2,773ms
15 days ago
Smooth Numbers
Shanethegamer
107
577ms
15 days ago
Smooth Numbers
Shanethegamer
39
7ms
15 days ago
Smooth Numbers
Shanethegamer
73
99ms
15 days ago
Smooth Numbers
Shanethegamer
119
144ms
15 days ago
Smooth Numbers
Shanethegamer
85
30ms
15 days ago
Smooth Numbers
Shanethegamer
111
32ms
15 days ago
Smooth Numbers
Shanethegamer
267
1,130ms
15 days ago
Smooth Numbers
Shanethegamer
90
180ms
15 days ago
Smooth Numbers
Shanethegamer
87
175ms
15 days ago
Smooth Numbers
Natanaelel
35
40ms
15 days ago
Smooth Numbers
lukegustafson
67
59ms
15 days ago
Smooth Numbers
ovs-code
67
94ms
16 days ago
Smooth Numbers
ovs-code
113
310ms
16 days ago
Smooth Numbers
lukegustafson
80
1,158ms
16 days ago
Smooth Numbers
Natanaelel
144
336ms
16 days ago
Smooth Numbers
GolfingSuccess
154
792ms
16 days ago
Smooth Numbers
albanian-laundromat
141
390ms
16 days ago
Smooth Numbers
GolfingSuccess
67
47ms
16 days ago
Smooth Numbers
albanian-laundromat
166
1,354ms
16 days ago
Smooth Numbers
albanian-laundromat
155
78ms
16 days ago
Smooth Numbers
albanian-laundromat
75
40ms
16 days ago
Smooth Numbers
Shanethegamer
142
412ms
16 days ago
Smooth Numbers
Shanethegamer
129
1,354ms
16 days ago
Smooth Numbers
GolfingSuccess
28
553ms
16 days ago
Smooth Numbers
bricknellj
118
215ms
16 days ago
Smooth Numbers
GolfingSuccess
108
793ms
16 days ago
Smooth Numbers
GolfingSuccess
54
893ms
16 days ago
Smooth Numbers
Natanaelel
69
112ms
16 days ago
Smooth Numbers
Shanethegamer
81
1,335ms
17 days ago
Smooth Numbers
namelessiw
128
871ms
17 days ago
Smooth Numbers
Yax42
77
31ms
17 days ago
Smooth Numbers
Yax42
128
828ms
17 days ago
Smooth Numbers
Yax42
119
359ms
17 days ago
Smooth Numbers
2bular
36
43ms
17 days ago
Smooth Numbers
KasperKivimaeki
98
9ms
17 days ago
Smooth Numbers
namelessiw
119
366ms
17 days ago
Smooth Numbers
namelessiw
11
1,581ms
17 days ago
Smooth Numbers
AdrienHache
103
357ms
17 days ago
Smooth Numbers
albanian-laundromat
335
390ms
17 days ago
Smooth Numbers
ovs-code
93
161ms
17 days ago
Smooth Numbers
kg583
12
1,001ms
17 days ago
Smooth Numbers
ovs-code
55
399ms
17 days ago
Smooth Numbers
GolfingSuccess
70
622ms
17 days ago
Smooth Numbers
albanian-laundromat
82
19ms
17 days ago
Smooth Numbers
albanian-laundromat
126
76ms
17 days ago
Smooth Numbers
kg583
110
1,635ms
17 days ago
Smooth Numbers
albanian-laundromat
81
1,897ms
17 days ago
Smooth Numbers
ovs-code
64
584ms
17 days ago
Smooth Numbers
ovs-code
35
44ms
17 days ago
Smooth Numbers
ovs-code
70
536ms
17 days ago