Recent Solutions
Prev Hole
Play Hole
Next Hole
Golfers
Solutions
gs
All Holes
12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arrows
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Game of Life
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Numbers
Lucky Tickets
Maze
Morse Decoder
Morse Encoder
Musical Chords
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
brainfuck
C
C#
C++
COBOL
Crystal
D
Dart
Elixir
F#
Fortran
Go
GolfScript
Haskell
Hexagony
J
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Ruby
Rust
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
brainfuck
C
C#
C++
COBOL
Crystal
D
Dart
Elixir
F#
Fortran
Go
GolfScript
Haskell
Hexagony
J
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Ruby
Rust
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Hole
All
12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arrows
ASCII Table
brainfuck
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Game of Life
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Numbers
Lucky Tickets
Maze
Morse Decoder
Morse Encoder
Musical Chords
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
Collatz
Just4FunCoder
8,385
4 hours ago
Collatz
Kacarott
72
11 hours ago
Collatz
Kacarott
57
12 hours ago
Collatz
Just4FunCoder
71
a day ago
Collatz
GulgDev
74
2 days ago
Collatz
tvcv901
78
2 days ago
Collatz
tvcv901
106
2 days ago
Collatz
tvcv901
80
2 days ago
Collatz
tvcv901
61
2 days ago
Collatz
ejini6969
74
2 days ago
Collatz
aid-f
82
2 days ago
Collatz
Koubidoo
383
3 days ago
Collatz
jiaminglimjm
74
4 days ago
Collatz
coolCucumber-cat
72
4 days ago
Collatz
OwenPendrighElliott
139
5 days ago
Collatz
UriyaBA
92
5 days ago
Collatz
devinallen
64
6 days ago
Collatz
Camaendir
74
7 days ago
Collatz
jared-hughes
💎
135
8 days ago
Collatz
neel112358
🥈
27
8 days ago
Collatz
PotatoSaladOverlord
87
9 days ago
Collatz
Steffan153
🥈
146
9 days ago
Collatz
TaserTheFox
73
9 days ago
Collatz
ovs-code
🥈
146
10 days ago
Collatz
StronkCheese
98
10 days ago
Collatz
StronkCheese
92
10 days ago
Collatz
StronkCheese
91
10 days ago
Collatz
StronkCheese
152
10 days ago
Collatz
StronkCheese
82
10 days ago
Collatz
DanielPeterssonAI
74
10 days ago
Collatz
annaproxy
167
11 days ago
Collatz
KatieLG
4,224
11 days ago
Collatz
nayakrujul
66
12 days ago
Collatz
kirvy810
78
12 days ago
Collatz
CatsAreFluffy
4,224
12 days ago
Collatz
Sunglas
157
14 days ago
Collatz
4hg
51
14 days ago
Collatz
buddyw
89
15 days ago
Collatz
m-tkach
🥈
135
15 days ago
Collatz
hacker19374
90
15 days ago
Collatz
btnlq
🥉
83
15 days ago
Collatz
Shanethegamer
52
15 days ago
Collatz
Steffan153
🥇
71
15 days ago
Collatz
stefangimmillaro
56
15 days ago
Collatz
neel112358
72
15 days ago
Collatz
ovs-code
💎
31
16 days ago
Collatz
ovs-code
🥇
34
16 days ago
Collatz
Edjyzod
80
17 days ago
Collatz
JayXon
🥇
68
17 days ago
Collatz
sayloren
217
19 days ago