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
Niven Numbers
Mabeloid
140
22 Sep 2024
Niven Numbers
Mikey-Beep
71
2 Sep 2024
Niven Numbers
pardouin
🥇
60
21 Aug 2024
Niven Numbers
Yax42
61
13 May 2024
Niven Numbers
KatieLG
109
5 May 2024
Niven Numbers
dokutan
61
24 Mar 2024
Niven Numbers
HumanoidCPU
88
25 Feb 2024
Niven Numbers
Matgc04
77
24 Feb 2024
Niven Numbers
brimstonetrader
65
8 Jan 2024
Niven Numbers
epic-programmer-guy
93
20 Dec 2023
Niven Numbers
michelebastione
92
19 Dec 2023
Niven Numbers
ElysiaVesper
101
23 Nov 2023
Niven Numbers
josephdwalker
77
21 Nov 2023
Niven Numbers
Betuaredead
🥇
60
11 Nov 2023
Niven Numbers
malworthy
69
25 Oct 2023
Niven Numbers
jmmographer
95
22 Oct 2023
Niven Numbers
fuzzylojik-golf
61
20 Oct 2023
Niven Numbers
Yewzir
🥇
60
23 Sep 2023
Niven Numbers
MiranDaniel
77
2 Sep 2023
Niven Numbers
msbranicky
92
28 Aug 2023
Niven Numbers
RobertEves92
327
8 Aug 2023
Niven Numbers
Pyro569
116
31 Jul 2023
Niven Numbers
Adix-null
69
30 Jul 2023
Niven Numbers
namelessiw
🥇
60
29 Jul 2023
Niven Numbers
leth4
69
5 Jul 2023
Niven Numbers
m-tkach
🥇
60
2 Jun 2023
Niven Numbers
AdrienHache
🥇
60
31 May 2023
Niven Numbers
horvaro
84
20 Apr 2023
Niven Numbers
heathlarsen
131
6 Apr 2023
Niven Numbers
Shanethegamer
🥇
60
8 Mar 2023
Niven Numbers
btnlq
🥇
60
28 Feb 2023
Niven Numbers
arctouch-cristiannevianna
61
31 Jan 2023
Niven Numbers
TimJackMaster
110
25 Jan 2023
Niven Numbers
tomtheisen
🥇
60
17 Jan 2023
Niven Numbers
sean-niemann
🥇
60
17 Jan 2023
Niven Numbers
DialFrost
🥇
60
14 Jan 2023
Niven Numbers
retrohun
140
28 Dec 2022
Niven Numbers
DaCuteRaccoon
66
28 Dec 2022
Niven Numbers
postie77
62
21 Dec 2022
Niven Numbers
ChrisTheisen
62
19 Dec 2022
Niven Numbers
astdefu
99
12 Dec 2022
Niven Numbers
sm1lko
98
7 Dec 2022
Niven Numbers
clockworknazo
🥇
60
26 Nov 2022
Niven Numbers
premun
71
18 Nov 2022
Niven Numbers
Steffan153
🥇
60
17 Nov 2022
Niven Numbers
antarct
64
15 Nov 2022
Niven Numbers
MichalMarsalek
61
9 Nov 2022
Niven Numbers
Xwilarg
96
5 Nov 2022
Niven Numbers
MeWhenI
🥇
60
10 Oct 2022
Niven Numbers
stefangimmillaro
🥇
60
30 Sep 2022
Niven Numbers
Kloppermand
75
16 Sep 2022
Niven Numbers
5quiwyrm
61
9 Sep 2022
Niven Numbers
eshilo-draper
91
3 Sep 2022
Niven Numbers
tomh1012
82
11 Aug 2022
Niven Numbers
hamhub7
91
8 Aug 2022
Niven Numbers
KatieLG-Transpiler
144
23 Jun 2022
Niven Numbers
lynn
🥇
60
3 Jun 2022
Niven Numbers
roavin
61
26 May 2022
Niven Numbers
tkr-sh
61
12 May 2022
Niven Numbers
RandGuy
88
1 Apr 2022
Niven Numbers
JacobStanleyJones
65
21 Mar 2022
Niven Numbers
voytxt
61
20 Mar 2022
Niven Numbers
ericlangedijk
🥇
60
15 Mar 2022
Niven Numbers
annaproxy
🥇
60
15 Mar 2022
Niven Numbers
GrayJoKing
🥇
60
14 Mar 2022
Niven Numbers
castur1
77
8 Mar 2022
Niven Numbers
Re-Adventures
85
15 Feb 2022
Niven Numbers
MarkStockwellZA
96
5 Jan 2022
Niven Numbers
yannikHoeflich
94
26 Dec 2021
Niven Numbers
KrausRaus
88
15 Dec 2021
Niven Numbers
Irratix
61
13 Dec 2021
Niven Numbers
tdkkdt
95
21 Nov 2021
Niven Numbers
ssiquoya
🥇
60
21 Nov 2021
Niven Numbers
sisyphus-ppcg
🥇
60
21 Nov 2021
Niven Numbers
ScottHamper
🥇
60
21 Nov 2021