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
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
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
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
Lily
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
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
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
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
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
Smooth Numbers
elgan65536
161
215ms
2 hours ago
Smooth Numbers
GolfingSuccess
124
960ms
28 hours ago
Smooth Numbers
GolfingSuccess
44
63ms
30 hours ago
Smooth Numbers
GolfingSuccess
64
1,688ms
31 hours ago
Smooth Numbers
GolfingSuccess
144
288ms
4 days ago
Smooth Numbers
GolfingSuccess
46
614ms
4 days ago
Smooth Numbers
GolfingSuccess
118
156ms
14 days ago
Smooth Numbers
Matter1024
79
130ms
24 days ago
Smooth Numbers
GolfingSuccess
72
2,063ms
9 Jan 2026
Smooth Numbers
GolfingSuccess
31
357ms
7 Jan 2026
Smooth Numbers
GolfingSuccess
325
53ms
7 Jan 2026
Smooth Numbers
Yax42
103
450ms
6 Jan 2026
Smooth Numbers
Yax42
75
54ms
6 Jan 2026
Smooth Numbers
GolfingSuccess
244
1,884ms
6 Jan 2026
Smooth Numbers
GolfingSuccess
116
49ms
6 Jan 2026
Smooth Numbers
GolfingSuccess
110
35ms
28 Dec 2025
Smooth Numbers
GolfingSuccess
161
812ms
27 Dec 2025
Smooth Numbers
GolfingSuccess
218
2,051ms
27 Dec 2025
Smooth Numbers
GolfingSuccess
103
585ms
26 Dec 2025
Smooth Numbers
GolfingSuccess
108
234ms
26 Dec 2025
Smooth Numbers
GolfingSuccess
80
30ms
26 Dec 2025
Smooth Numbers
GolfingSuccess
68
95ms
26 Dec 2025
Smooth Numbers
GolfingSuccess
136
2,731ms
25 Dec 2025
Smooth Numbers
GolfingSuccess
97
82ms
23 Dec 2025
Smooth Numbers
ovs-code
10
609ms
17 Dec 2025
Smooth Numbers
ovs-code
57
887ms
17 Dec 2025
Smooth Numbers
GolfingSuccess
61
628ms
17 Dec 2025
Smooth Numbers
GolfingSuccess
154
769ms
16 Dec 2025
Smooth Numbers
GolfingSuccess
71
22ms
16 Dec 2025
Smooth Numbers
kg583
171
1,732ms
16 Dec 2025
Smooth Numbers
GolfingSuccess
103
449ms
16 Dec 2025
Smooth Numbers
GolfingSuccess
90
3,374ms
14 Dec 2025
Smooth Numbers
GolfingSuccess
148
297ms
14 Dec 2025
Smooth Numbers
GolfingSuccess
123
210ms
14 Dec 2025
Smooth Numbers
albanian-laundromat
132
153ms
10 Dec 2025
Smooth Numbers
GolfingSuccess
91
55ms
10 Dec 2025
Smooth Numbers
GolfingSuccess
127
122ms
7 Dec 2025
Smooth Numbers
GolfingSuccess
171
595ms
5 Dec 2025
Smooth Numbers
GolfingSuccess
150
455ms
5 Dec 2025
Smooth Numbers
khvdm
65
972ms
30 Nov 2025
Smooth Numbers
albanian-laundromat
121
45ms
25 Nov 2025
Smooth Numbers
AlephSquirrel
128
94ms
25 Nov 2025
Smooth Numbers
GolfingSuccess
77
281ms
25 Nov 2025
Smooth Numbers
GolfingSuccess
80
99ms
25 Nov 2025
Smooth Numbers
GolfingSuccess
126
859ms
25 Nov 2025
Smooth Numbers
GolfingSuccess
126
521ms
25 Nov 2025
Smooth Numbers
GolfingSuccess
101
9ms
25 Nov 2025
Smooth Numbers
Shanethegamer
147
632ms
25 Nov 2025
Smooth Numbers
snoozingnewt
108
687ms
25 Nov 2025
Smooth Numbers
hallvabo
89
698ms
24 Nov 2025
Smooth Numbers
Shanethegamer
74
14ms
24 Nov 2025
Smooth Numbers
Shanethegamer
130
433ms
24 Nov 2025
Smooth Numbers
Shanethegamer
131
549ms
24 Nov 2025
Smooth Numbers
Shanethegamer
72
131ms
24 Nov 2025
Smooth Numbers
Shanethegamer
193
3,738ms
24 Nov 2025
Smooth Numbers
Shanethegamer
106
786ms
24 Nov 2025
Smooth Numbers
Shanethegamer
25
13ms
24 Nov 2025
Smooth Numbers
Shanethegamer
73
89ms
24 Nov 2025
Smooth Numbers
Shanethegamer
119
392ms
24 Nov 2025
Smooth Numbers
Shanethegamer
85
48ms
24 Nov 2025
Smooth Numbers
Shanethegamer
80
581ms
24 Nov 2025
Smooth Numbers
Shanethegamer
111
32ms
24 Nov 2025
Smooth Numbers
Shanethegamer
267
1,950ms
24 Nov 2025
Smooth Numbers
Shanethegamer
90
180ms
24 Nov 2025
Smooth Numbers
Shanethegamer
87
179ms
24 Nov 2025
Smooth Numbers
Natanaelel
35
40ms
24 Nov 2025
Smooth Numbers
lukegustafson
67
228ms
24 Nov 2025
Smooth Numbers
ovs-code
67
212ms
24 Nov 2025
Smooth Numbers
ovs-code
113
223ms
24 Nov 2025
Smooth Numbers
lukegustafson
80
1,017ms
24 Nov 2025
Smooth Numbers
Natanaelel
144
336ms
24 Nov 2025
Smooth Numbers
GolfingSuccess
67
55ms
24 Nov 2025
Smooth Numbers
albanian-laundromat
166
1,728ms
24 Nov 2025
Smooth Numbers
albanian-laundromat
155
78ms
24 Nov 2025
Smooth Numbers
albanian-laundromat
75
40ms
24 Nov 2025
Smooth Numbers
Shanethegamer
142
412ms
24 Nov 2025
Smooth Numbers
Shanethegamer
129
1,740ms
24 Nov 2025
Smooth Numbers
GolfingSuccess
28
420ms
24 Nov 2025
Smooth Numbers
bricknellj
118
66ms
23 Nov 2025
Smooth Numbers
GolfingSuccess
54
677ms
23 Nov 2025