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
Chars
Submitted
Pernicious Numbers
moustave
49
6 days ago
Pernicious Numbers
Europe2048
69
7 days ago
Pernicious Numbers
JunkIce
64
10 days ago
Pernicious Numbers
Unknownuserfrommars
194
13 days ago
Pernicious Numbers
lifthrasiir
47
14 days ago
Pernicious Numbers
Short-C0de
89
20 days ago
Pernicious Numbers
Natanaelel
41
20 days ago
Pernicious Numbers
wh3n3v3r
59
21 days ago
Pernicious Numbers
FlyingPenguin223
🥇
40
1 Nov 2024
Pernicious Numbers
ImpressedByRocks
57
28 Oct 2024
Pernicious Numbers
Emutis
60
27 Oct 2024
Pernicious Numbers
lhulinsky
68
21 Oct 2024
Pernicious Numbers
juliantamayo-py
269
20 Oct 2024
Pernicious Numbers
RedzGoose
53
20 Oct 2024
Pernicious Numbers
JesseNoEyes
96
20 Oct 2024
Pernicious Numbers
Malizma333
81
17 Oct 2024
Pernicious Numbers
cdesodt
53
10 Oct 2024
Pernicious Numbers
Clay-Goodling
61
8 Oct 2024
Pernicious Numbers
alemelis
41
4 Oct 2024
Pernicious Numbers
Mabeloid
83
3 Oct 2024
Pernicious Numbers
lukegustafson
🥇
40
28 Sep 2024
Pernicious Numbers
emgordon154
48
25 Sep 2024
Pernicious Numbers
hippopotam00sehead
64
13 Sep 2024
Pernicious Numbers
Anthony-Williams-06
63
12 Sep 2024
Pernicious Numbers
hamilton-bonds
118
12 Sep 2024
Pernicious Numbers
Kacarott
49
10 Sep 2024
Pernicious Numbers
Deedogg
57
9 Sep 2024
Pernicious Numbers
CyberTapir
163
3 Sep 2024
Pernicious Numbers
itljan30
125
2 Sep 2024
Pernicious Numbers
EnTerr
56
1 Sep 2024
Pernicious Numbers
PyryL
77
27 Aug 2024
Pernicious Numbers
NicknamedTwice
111
22 Aug 2024
Pernicious Numbers
Terobero
57
21 Aug 2024
Pernicious Numbers
imelxr
55
16 Aug 2024
Pernicious Numbers
bizy-coder
48
15 Aug 2024
Pernicious Numbers
codingisgreatbutiamnot
48
14 Aug 2024
Pernicious Numbers
Ythaenagor
98
5 Aug 2024
Pernicious Numbers
khvdm
🥇
40
2 Aug 2024
Pernicious Numbers
bzijlema
48
22 Jul 2024
Pernicious Numbers
zach333
🥇
40
18 Jul 2024
Pernicious Numbers
b-illy
🥇
40
18 Jul 2024
Pernicious Numbers
CaedenHarper
🥇
40
18 Jul 2024
Pernicious Numbers
jameswmccarty
122
10 Jul 2024
Pernicious Numbers
madex
95
9 Jul 2024
Pernicious Numbers
CutSandstone
59
5 Jul 2024
Pernicious Numbers
fourth-bit
48
4 Jul 2024
Pernicious Numbers
DGipe
117
2 Jul 2024
Pernicious Numbers
wuzekai518
49
2 Jul 2024
Pernicious Numbers
hellwue
60
25 Jun 2024
Pernicious Numbers
ahmetdemirag
47
25 Jun 2024
Pernicious Numbers
stertooy
51
14 Jun 2024
Pernicious Numbers
Bulmenisaurus
48
11 Jun 2024
Pernicious Numbers
ComputerKWasTaken
118
1 Jun 2024
Pernicious Numbers
HumanoidCPU
52
20 May 2024
Pernicious Numbers
Pale-Vessel
86
18 May 2024
Pernicious Numbers
NoneTheFewer
85
18 May 2024
Pernicious Numbers
Languag3
59
16 May 2024
Pernicious Numbers
VictorStenvers
56
15 May 2024
Pernicious Numbers
BREMAUCY
🥇
40
14 May 2024
Pernicious Numbers
jatloe
49
11 May 2024
Pernicious Numbers
aalec
53
3 May 2024
Pernicious Numbers
dokutan
🥇
40
30 Apr 2024
Pernicious Numbers
Stockoh
57
23 Apr 2024
Pernicious Numbers
Jacob385
70
13 Apr 2024
Pernicious Numbers
HETHAT
47
11 Apr 2024
Pernicious Numbers
SB-945
51
31 Mar 2024
Pernicious Numbers
Grrisly
53
31 Mar 2024
Pernicious Numbers
retrohun
48
29 Mar 2024
Pernicious Numbers
Bit125
92
28 Mar 2024
Pernicious Numbers
jtaxen
52
26 Mar 2024
Pernicious Numbers
PeterTillema
49
19 Mar 2024
Pernicious Numbers
Lewenhaupt
53
8 Mar 2024
Pernicious Numbers
HanaEndUser
107
5 Mar 2024
Pernicious Numbers
tknight00
107
5 Mar 2024
Pernicious Numbers
FCORMERAIS
53
5 Mar 2024