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
Happy Numbers
the-zammers
69
2 days ago
Happy Numbers
pardouin
73
21 Sep 2024
Happy Numbers
Mabeloid
150
20 Sep 2024
Happy Numbers
snoozingnewt
74
1 Sep 2024
Happy Numbers
jtaxen
118
24 Jun 2024
Happy Numbers
HumanoidCPU
150
13 May 2024
Happy Numbers
brimstonetrader
81
26 Jan 2024
Happy Numbers
tobeannouncd
72
11 Jan 2024
Happy Numbers
strout
87
15 Dec 2023
Happy Numbers
btnlq
🥈
66
15 Oct 2023
Happy Numbers
alomiF
81
5 Oct 2023
Happy Numbers
cbrt-x
79
15 Sep 2023
Happy Numbers
jared-hughes
82
11 Sep 2023
Happy Numbers
KatieLG-Transpiler
150
14 May 2023
Happy Numbers
zt14427
201
2 May 2023
Happy Numbers
scpchicken
73
7 Mar 2023
Happy Numbers
Steffan153
🥈
66
28 Jan 2023
Happy Numbers
DialFrost
73
28 Jan 2023
Happy Numbers
retrohun
150
27 Dec 2022
Happy Numbers
DaCuteRaccoon
73
30 Nov 2022
Happy Numbers
JayXon
🥈
66
4 Jul 2022
Happy Numbers
ovs-code
67
4 Jul 2022
Happy Numbers
Lydxn
💎
61
4 Jul 2022
Happy Numbers
Natanaelel
80
31 Mar 2022
Happy Numbers
sisyphus-ppcg
73
16 Mar 2022
Happy Numbers
rak1507
74
23 Feb 2022
Happy Numbers
HallMatthew314
109
14 Feb 2022
Happy Numbers
annaproxy
74
12 Jan 2022
Happy Numbers
xnor-gate
72
22 Dec 2021
Happy Numbers
mokymok
150
9 Nov 2021
Happy Numbers
prplz
75
12 Oct 2021
Happy Numbers
Irratix
89
23 Sep 2021
Happy Numbers
MeWhenI
73
15 Sep 2021
Happy Numbers
sean-niemann
73
7 Sep 2021
Happy Numbers
hymanimy
134
18 Aug 2021
Happy Numbers
yzhs
73
24 Jul 2021
Happy Numbers
Shanethegamer
73
15 Jul 2021
Happy Numbers
lynn
🥈
66
15 Jul 2021
Happy Numbers
boxjelly
91
22 Jan 2021
Happy Numbers
jiaminglimjm
163
9 Jan 2021
Happy Numbers
gbxdl
120
7 Jan 2021
Happy Numbers
GrayJoKing
73
5 Dec 2020
Happy Numbers
KatieLG
150
23 Nov 2020
Happy Numbers
Informagier
105
16 Sep 2020
Happy Numbers
hjcafaroUC
123
9 Aug 2020
Happy Numbers
drbalan
108
20 Jul 2020
Happy Numbers
olligobber
99
20 May 2020
Happy Numbers
guliyevemil1
87
20 Apr 2020
Happy Numbers
marcin7Cd
77
11 Mar 2020
Happy Numbers
darrell-roberts
129
28 Feb 2020
Happy Numbers
achimkrause
97
15 Dec 2019
Happy Numbers
Haksell
150
1 Dec 2019
Happy Numbers
RussellEmerine
80
30 Nov 2019
Happy Numbers
schaeffm
123
8 Oct 2019
Happy Numbers
Johannesd3
96
1 Jul 2019
Happy Numbers
citsur
150
9 Jun 2019
Happy Numbers
user189032
79
29 May 2019
Happy Numbers
HPWiz
🥈
66
7 May 2019
Happy Numbers
primo-ppcg
🥈
66
6 May 2019
Happy Numbers
Laar
81
1 Apr 2019
Happy Numbers
treeowl
79
27 Feb 2019
Happy Numbers
flawr
73
24 Feb 2019
Happy Numbers
Bubbler-4
72
20 Feb 2019
Happy Numbers
frunobulax-the-poodle
116
16 Feb 2019
Happy Numbers
bforte
74
9 Dec 2018
Happy Numbers
stifflerus
105
12 Sep 2018
Happy Numbers
yanqui-uxo
100
4 Sep 2018
Happy Numbers
mossprescott
136
10 Aug 2018
Happy Numbers
anastos
107
23 Jul 2018