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
Evil Numbers
madex
42
9ms
54 mins ago
Evil Numbers
jusaka
🥇
12
3ms
10 hours ago
Evil Numbers
CornerMercury
18
39ms
15 hours ago
Evil Numbers
GolfingSuccess
48
2ms
18 hours ago
Evil Numbers
jusaka
104
10ms
37 hours ago
Evil Numbers
jusaka
261
2,062ms
37 hours ago
Evil Numbers
jusaka
76
1,027ms
37 hours ago
Evil Numbers
jusaka
90
3ms
37 hours ago
Evil Numbers
jusaka
91
178ms
37 hours ago
Evil Numbers
jusaka
190
11ms
37 hours ago
Evil Numbers
jusaka
99
112ms
37 hours ago
Evil Numbers
jusaka
88
6ms
37 hours ago
Evil Numbers
jusaka
80
2ms
37 hours ago
Evil Numbers
jusaka
98
2ms
37 hours ago
Evil Numbers
jusaka
107
48ms
37 hours ago
Evil Numbers
jusaka
92
159ms
37 hours ago
Evil Numbers
jusaka
80
54ms
37 hours ago
Evil Numbers
jusaka
269
8ms
37 hours ago
Evil Numbers
jusaka
87
139ms
37 hours ago
Evil Numbers
jusaka
107
14ms
37 hours ago
Evil Numbers
jusaka
80
113ms
37 hours ago
Evil Numbers
jusaka
94
217ms
37 hours ago
Evil Numbers
jusaka
83
2,497ms
37 hours ago
Evil Numbers
jusaka
85
5ms
37 hours ago
Evil Numbers
jusaka
84
4ms
37 hours ago
Evil Numbers
jusaka
238
41ms
37 hours ago
Evil Numbers
jusaka
109
24ms
37 hours ago
Evil Numbers
jusaka
83
168ms
37 hours ago
Evil Numbers
jusaka
537
130ms
37 hours ago
Evil Numbers
jusaka
82
2ms
37 hours ago
Evil Numbers
jusaka
97
5ms
37 hours ago
Evil Numbers
jusaka
109
506ms
37 hours ago
Evil Numbers
jusaka
104
4ms
37 hours ago
Evil Numbers
jusaka
306
41ms
37 hours ago
Evil Numbers
jusaka
2,364
5ms
37 hours ago
Evil Numbers
jusaka
81
943ms
37 hours ago
Evil Numbers
jusaka
108
180ms
37 hours ago
Evil Numbers
jusaka
138
1,735ms
37 hours ago
Evil Numbers
jusaka
121
415ms
37 hours ago
Evil Numbers
jusaka
101
52ms
37 hours ago
Evil Numbers
jusaka
1,083
57ms
37 hours ago
Evil Numbers
jusaka
373
6ms
37 hours ago
Evil Numbers
jusaka
216
3ms
37 hours ago
Evil Numbers
jusaka
83
1,762ms
37 hours ago
Evil Numbers
jusaka
244
1,845ms
37 hours ago
Evil Numbers
jusaka
269
77ms
37 hours ago
Evil Numbers
jusaka
121
148ms
37 hours ago
Evil Numbers
jusaka
116
164ms
37 hours ago
Evil Numbers
jusaka
118
1,858ms
37 hours ago
Evil Numbers
jusaka
106
100ms
37 hours ago
Evil Numbers
jusaka
115
210ms
37 hours ago
Evil Numbers
jusaka
87
7ms
37 hours ago
Evil Numbers
jusaka
395
14ms
37 hours ago
Evil Numbers
jusaka
419
155ms
37 hours ago
Evil Numbers
jusaka
105
6ms
37 hours ago
Evil Numbers
jusaka
136
2ms
37 hours ago
Evil Numbers
jusaka
89
394ms
37 hours ago
Evil Numbers
jusaka
91
536ms
37 hours ago
Evil Numbers
jusaka
104
2ms
37 hours ago
Evil Numbers
jusaka
2,226
2ms
37 hours ago
Evil Numbers
jusaka
110
2ms
37 hours ago
Evil Numbers
jusaka
269
41ms
37 hours ago
Evil Numbers
jusaka
105
3ms
37 hours ago
Evil Numbers
jusaka
158
2ms
37 hours ago
Evil Numbers
jusaka
182
6ms
37 hours ago
Evil Numbers
ComradeSquirrel
25
15ms
39 hours ago
Evil Numbers
ComradeSquirrel
94
2ms
39 hours ago
Evil Numbers
ComradeSquirrel
52
10ms
45 hours ago
Evil Numbers
matanberstadt
65
375ms
46 hours ago
Evil Numbers
not-a-pokemon
55
5ms
2 days ago
Evil Numbers
vang1ong7ang
57
127ms
3 days ago
Evil Numbers
madeforlosers
45
27ms
3 days ago
Evil Numbers
0jdxt
66
132ms
4 days ago
Evil Numbers
madex
34
36ms
5 days ago
Evil Numbers
madex
68
119ms
5 days ago
Evil Numbers
madex
34
3ms
6 days ago
Evil Numbers
vang1ong7ang
🥇
40
11ms
6 days ago
Evil Numbers
NameRandomString
76
1ms
8 days ago
Evil Numbers
PlatoHero
56
220ms
8 days ago
Evil Numbers
jusaka
🥇
40
10ms
8 days ago