Recent Solutions
Prev Hole
Play Hole
Next Hole
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
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
Maze
Medal Tally
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
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
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
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
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
F#
Factor
Forth
Fortran
Go
GolfScript
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
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
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
Maze
Medal Tally
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
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
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
Kolakoski Sequence
JunkIce
85
22 hours ago
Kolakoski Sequence
lifthrasiir
57
2 days ago
Kolakoski Sequence
kurkale6ka
2,008
2 days ago
Kolakoski Sequence
emgordon154
61
5 days ago
Kolakoski Sequence
Mabeloid
64
17 Sep 2024
Kolakoski Sequence
KatieLG-Transpiler
2,008
16 Aug 2024
Kolakoski Sequence
namelessiw
58
15 Aug 2024
Kolakoski Sequence
CaedenHarper
58
8 Aug 2024
Kolakoski Sequence
Stockoh
68
24 Jun 2024
Kolakoski Sequence
pardouin
🥇
52
21 Jun 2024
Kolakoski Sequence
SirBogman
57
10 Jun 2024
Kolakoski Sequence
HumanoidCPU
73
3 Jun 2024
Kolakoski Sequence
Jacob385
88
22 Apr 2024
Kolakoski Sequence
duckyluuk
56
27 Mar 2024
Kolakoski Sequence
Yewzir
57
29 Feb 2024
Kolakoski Sequence
BREMAUCY
59
20 Feb 2024
Kolakoski Sequence
snoozingnewt
100
11 Feb 2024
Kolakoski Sequence
AlephSquirrel
58
21 Jan 2024
Kolakoski Sequence
JayXon
🥉
55
21 Jan 2024
Kolakoski Sequence
dokutan
567
21 Jan 2024
Kolakoski Sequence
m-tkach
🥉
55
20 Jan 2024
Kolakoski Sequence
Natanaelel
58
20 Jan 2024
Kolakoski Sequence
MeWhenI
57
17 Jan 2024
Kolakoski Sequence
msbranicky
67
17 Jan 2024
Kolakoski Sequence
Shanethegamer
58
16 Jan 2024
Kolakoski Sequence
Steffan153
56
16 Jan 2024
Kolakoski Sequence
Lydxn
🥉
55
16 Jan 2024
Kolakoski Sequence
GrayJoKing
57
15 Jan 2024
Kolakoski Sequence
sean-niemann
58
15 Jan 2024
Kolakoski Sequence
DialFrost
56
15 Jan 2024
Kolakoski Sequence
Kacarott
58
15 Jan 2024
Kolakoski Sequence
GolfingSuccess
60
15 Jan 2024
Kolakoski Sequence
commandblockguy
62
15 Jan 2024
Kolakoski Sequence
ovs-code
🥇
52
15 Jan 2024
Kolakoski Sequence
kg583
57
15 Jan 2024
Kolakoski Sequence
neel11235813
58
15 Jan 2024
Kolakoski Sequence
KatieLG
57
15 Jan 2024