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
Sierpiński Triangle
Herbert00709
78
11 days ago
Sierpiński Triangle
rucin93
58
14 days ago
Sierpiński Triangle
edsrzf
112
29 Oct 2024
Sierpiński Triangle
Mabeloid
408
22 Sep 2024
Sierpiński Triangle
sean-niemann
🥇
56
11 Aug 2024
Sierpiński Triangle
Steffan153
🥇
56
8 Aug 2024
Sierpiński Triangle
BlankSpruce
75
8 Aug 2024
Sierpiński Triangle
emgordon154
117
25 Jul 2024
Sierpiński Triangle
HumanoidCPU
105
3 Jun 2024
Sierpiński Triangle
LHLaurini
92
2 May 2024
Sierpiński Triangle
dokutan
339
4 Apr 2024
Sierpiński Triangle
Mandrzejy
110
25 Mar 2024
Sierpiński Triangle
KasperKivimaeki
77
2 Mar 2024
Sierpiński Triangle
violeta-desantis
104
14 Feb 2024
Sierpiński Triangle
Yewzir
91
9 Feb 2024
Sierpiński Triangle
SirBogman
133
28 Dec 2023
Sierpiński Triangle
GolfingSuccess
91
21 Dec 2023
Sierpiński Triangle
JohandeRuiter
76
30 Nov 2023
Sierpiński Triangle
janbehrens
73
29 Nov 2023
Sierpiński Triangle
ovs-code
73
18 Nov 2023
Sierpiński Triangle
DialFrost
106
4 Nov 2023
Sierpiński Triangle
Sephirem98
429
25 Oct 2023
Sierpiński Triangle
elgan65536
85
24 Oct 2023
Sierpiński Triangle
rhdqor213
63
27 Sep 2023
Sierpiński Triangle
lyphyser
242
15 Jul 2023
Sierpiński Triangle
klixel
78
7 Jun 2023
Sierpiński Triangle
neel11235813
78
14 Mar 2023
Sierpiński Triangle
Haksell
408
28 Feb 2023
Sierpiński Triangle
aksyristos
78
10 Feb 2023
Sierpiński Triangle
Lydxn
🥇
56
5 Feb 2023
Sierpiński Triangle
inventshah
70
24 Jan 2023
Sierpiński Triangle
JayXon
🥇
56
24 Jan 2023
Sierpiński Triangle
Alex-x90
76
24 Jan 2023
Sierpiński Triangle
sisyphus-ppcg
70
22 Jan 2023
Sierpiński Triangle
m-tkach
77
15 Dec 2022
Sierpiński Triangle
MeWhenI
75
17 Nov 2022
Sierpiński Triangle
tpasfieldERAU
118
5 Nov 2022
Sierpiński Triangle
jupj
81
8 Oct 2022
Sierpiński Triangle
bac0id
140
4 Jul 2022
Sierpiński Triangle
KatieLG-Transpiler
427
23 Jun 2022
Sierpiński Triangle
emplv
66
31 May 2022
Sierpiński Triangle
Irratix
59
23 May 2022
Sierpiński Triangle
foxmcloud555
78
28 Apr 2022
Sierpiński Triangle
Jasper-Ty
81
23 Apr 2022
Sierpiński Triangle
jared-hughes
71
16 Mar 2022
Sierpiński Triangle
Shanethegamer
85
4 Jan 2022
Sierpiński Triangle
lynn
75
30 Nov 2021
Sierpiński Triangle
c0d3-4-F00d
102
11 Nov 2021
Sierpiński Triangle
mokymok
425
10 Nov 2021
Sierpiński Triangle
NewDefectus
75
9 Nov 2021
Sierpiński Triangle
tegenton
408
5 Oct 2021
Sierpiński Triangle
pandapawskat
143
27 Sep 2021
Sierpiński Triangle
madex
82
2 Aug 2021
Sierpiński Triangle
kurkale6ka
408
26 Jul 2021
Sierpiński Triangle
jgbaldwinbrown
154
22 Jul 2021
Sierpiński Triangle
osmith93
693
10 Jun 2021
Sierpiński Triangle
ktiy
77
2 Jun 2021
Sierpiński Triangle
Secozzi
82
14 Mar 2021
Sierpiński Triangle
nwellnhof
🥇
56
30 Dec 2020
Sierpiński Triangle
KatieLG
425
1 Dec 2020
Sierpiński Triangle
djeedjay
94
29 Oct 2020
Sierpiński Triangle
StHagel
425
25 Aug 2020
Sierpiński Triangle
jngbsn
109
16 Jul 2020
Sierpiński Triangle
AlephSquirrel
75
25 May 2020
Sierpiński Triangle
Attero
76
23 May 2020
Sierpiński Triangle
volpi-m
408
22 Dec 2019
Sierpiński Triangle
AkashTandon167
108
25 Nov 2019
Sierpiński Triangle
primo-ppcg
🥇
56
20 Nov 2019
Sierpiński Triangle
orthoplex
111
6 Sep 2019
Sierpiński Triangle
buddy1616
77
26 Apr 2019
Sierpiński Triangle
prplz
76
26 Apr 2019
Sierpiński Triangle
ElelockSystems
111
12 Mar 2019
Sierpiński Triangle
retrohun
94
9 Mar 2019