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
Roman to Arabic
pardouin
🥇
62
29 Sep 2024
Roman to Arabic
HumanoidCPU
545
9 Jun 2024
Roman to Arabic
DialFrost
63
1 Jun 2024
Roman to Arabic
olleicua
143
28 Feb 2024
Roman to Arabic
ovs-code
🥇
62
27 Jan 2024
Roman to Arabic
KatieLG
67
27 Nov 2023
Roman to Arabic
jmerle
223
21 Jun 2023
Roman to Arabic
xsot
🥇
62
27 May 2023
Roman to Arabic
stefangimmillaro
🥇
62
25 Apr 2023
Roman to Arabic
Haksell
111
22 Feb 2023
Roman to Arabic
Natanaelel
🥇
62
16 Feb 2023
Roman to Arabic
aksyristos
197
31 Jan 2023
Roman to Arabic
anter69
67
31 Jan 2023
Roman to Arabic
4hg
65
25 Jan 2023
Roman to Arabic
m-tkach
63
28 Nov 2022
Roman to Arabic
Steffan153
🥇
62
28 Nov 2022
Roman to Arabic
KatieLG-Transpiler
76,979
5 Nov 2022
Roman to Arabic
jared-hughes
92
20 Sep 2022
Roman to Arabic
yzhs
109
20 Jul 2022
Roman to Arabic
prplz
🥇
62
8 Jun 2022
Roman to Arabic
sean-niemann
🥇
62
7 May 2022
Roman to Arabic
Irratix
🥇
62
22 Mar 2022
Roman to Arabic
SirBogman
78
20 Mar 2022
Roman to Arabic
scpchicken
🥇
62
5 Mar 2022
Roman to Arabic
akshatj27
🥇
62
5 Mar 2022
Roman to Arabic
MeWhenI
🥇
62
24 Feb 2022
Roman to Arabic
GrayJoKing
🥇
62
24 Feb 2022
Roman to Arabic
Shanethegamer
🥇
62
17 Feb 2022
Roman to Arabic
gilufin
126
19 Jan 2022
Roman to Arabic
nwellnhof
63
6 Nov 2021
Roman to Arabic
xiBread
107
24 Oct 2021
Roman to Arabic
JayXon
🥇
62
10 Oct 2021
Roman to Arabic
Lydxn
🥇
62
8 Sep 2021
Roman to Arabic
SephQ
159
9 Feb 2021
Roman to Arabic
hiddicop
94
1 Feb 2021
Roman to Arabic
Waffle3z
105
22 Jan 2021
Roman to Arabic
sisyphus-ppcg
🥇
62
5 Jan 2021
Roman to Arabic
primo-ppcg
🥇
62
13 Dec 2020
Roman to Arabic
proton
122
8 Jun 2020
Roman to Arabic
jaredcrystal
191
9 Oct 2019
Roman to Arabic
n1LS
212
2 Oct 2019
Roman to Arabic
atsushiootani
134
1 Nov 2018
Roman to Arabic
robymus
126
18 Sep 2018
Roman to Arabic
segiddins
145
24 Aug 2018
Roman to Arabic
adoxography
167
6 Jun 2018
Roman to Arabic
yokasuretsu
110
30 Apr 2018
Roman to Arabic
biinari
146
2 Apr 2018
Roman to Arabic
hrrs01
108
29 Jan 2018
Roman to Arabic
vonagam
135
12 Nov 2017