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
Odious Numbers (Long)
5quiwyrm
47
2 days ago
Odious Numbers (Long)
PlatoHero
66
24 days ago
Odious Numbers (Long)
Shanethegamer
50
23 Oct 2024
Odious Numbers (Long)
juliansiebert
29
19 Oct 2024
Odious Numbers (Long)
Mabeloid
1,946
22 Sep 2024
Odious Numbers (Long)
Steffan153
🥇
28
7 Aug 2024
Odious Numbers (Long)
dokutan
71
28 Jul 2024
Odious Numbers (Long)
DialFrost
🥇
28
6 Jun 2024
Odious Numbers (Long)
HumanoidCPU
1,944
19 May 2024
Odious Numbers (Long)
JPRuskin
29
30 Apr 2024
Odious Numbers (Long)
corbob
73
27 Apr 2024
Odious Numbers (Long)
bitsandbeyond
🥇
28
17 Feb 2024
Odious Numbers (Long)
dcgjb
🥇
28
24 Jan 2024
Odious Numbers (Long)
Lydxn
🥇
28
5 Jan 2024
Odious Numbers (Long)
SirBogman
🥇
28
5 Jan 2024
Odious Numbers (Long)
DavieDe
224
1 Dec 2023
Odious Numbers (Long)
Feniske
47
23 Nov 2023
Odious Numbers (Long)
Yewzir
47
21 Nov 2023
Odious Numbers (Long)
Msleizak
140
16 Nov 2023
Odious Numbers (Long)
MarkSimonyi
67
4 Nov 2023
Odious Numbers (Long)
HCRitter
60
1 Nov 2023
Odious Numbers (Long)
GrayJoKing
32
26 Oct 2023
Odious Numbers (Long)
HumanEquivalentUnit
54
24 Oct 2023
Odious Numbers (Long)
snoozingnewt
74
21 Sep 2023
Odious Numbers (Long)
IISResetMe
🥇
28
1 Jul 2023
Odious Numbers (Long)
TaserTheFox
63
7 Jun 2023
Odious Numbers (Long)
harperse
64
2 May 2023
Odious Numbers (Long)
KevinMarquette
1,944
17 Apr 2023
Odious Numbers (Long)
CORCJO
59
10 Mar 2023
Odious Numbers (Long)
Ripick
68
4 Feb 2023
Odious Numbers (Long)
sojumasterGA
94
1 Feb 2023
Odious Numbers (Long)
MeWhenI
45
29 Jan 2023
Odious Numbers (Long)
retrohun
1,957
28 Dec 2022
Odious Numbers (Long)
nwellnhof
🥇
28
26 Nov 2022
Odious Numbers (Long)
MaxCastella
58
25 Nov 2022
Odious Numbers (Long)
Arnaud-beep
57
4 Oct 2022
Odious Numbers (Long)
okhoel
61
22 Sep 2022
Odious Numbers (Long)
KatieLG-Transpiler
2,450
10 Sep 2022
Odious Numbers (Long)
KatieLG
2,450
9 Sep 2022
Odious Numbers (Long)
primo-ppcg
31
9 Sep 2022
Odious Numbers (Long)
janbehrens
47
7 Sep 2022
Odious Numbers (Long)
stefangimmillaro
38
7 Sep 2022