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
ROT13
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Mandelbrot
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Partition Numbers
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Set
Snake
Sphenic Numbers
Star Wars GPT
Trinomial Triangle
Turtle
Tutorial
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
Gleam
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Rockstar 2
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Vyxal
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
Gleam
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Rockstar 2
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Experimental Language
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Vyxal
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
ROT13
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Mandelbrot
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Partition Numbers
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Set
Snake
Sphenic Numbers
Star Wars GPT
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Chars
Submitted
Niven Numbers (Long)
plcc0
54
3 days ago
Niven Numbers (Long)
CornerMercury
54
8 days ago
Niven Numbers (Long)
Troon
58
8 days ago
Niven Numbers (Long)
kevinnaviapaiva
125
10 days ago
Niven Numbers (Long)
seejaecee
86
16 days ago
Niven Numbers (Long)
Emutis
60
21 days ago
Niven Numbers (Long)
jamesthekee
66
25 days ago
Niven Numbers (Long)
itljan30
58
26 days ago
Niven Numbers (Long)
Languag3
57
24 Jan 2025
Niven Numbers (Long)
klixel
64
21 Jan 2025
Niven Numbers (Long)
sean-niemann
🥇
50
21 Jan 2025
Niven Numbers (Long)
CLOStrophobic
58
20 Jan 2025
Niven Numbers (Long)
wen1now
54
19 Jan 2025
Niven Numbers (Long)
croc54
62
13 Jan 2025
Niven Numbers (Long)
ryyyn
54
6 Jan 2025
Niven Numbers (Long)
ihatethefrench
63
5 Jan 2025
Niven Numbers (Long)
AidanWalter
170
3 Jan 2025
Niven Numbers (Long)
WCScrypto-official
76
21 Dec 2024
Niven Numbers (Long)
SURAJMITTAL
70
19 Dec 2024
Niven Numbers (Long)
GeneralFabian
74
12 Dec 2024
Niven Numbers (Long)
5quiwyrm
55
10 Dec 2024
Niven Numbers (Long)
Quirkly-Quasar1
72
8 Dec 2024
Niven Numbers (Long)
ariesmarinus
73
3 Dec 2024
Niven Numbers (Long)
moustave
57
26 Nov 2024
Niven Numbers (Long)
Andrey135296
62
25 Nov 2024
Niven Numbers (Long)
Europe2048
56
24 Nov 2024
Niven Numbers (Long)
JunkIce
55
24 Nov 2024
Niven Numbers (Long)
Unknownuserfrommars
72
21 Nov 2024
Niven Numbers (Long)
gelvetica
94
18 Nov 2024
Niven Numbers (Long)
lifthrasiir
52
16 Nov 2024
Niven Numbers (Long)
wh3n3v3r
54
13 Nov 2024
Niven Numbers (Long)
quarl
54
13 Nov 2024
Niven Numbers (Long)
Powerroff
56
11 Nov 2024
Niven Numbers (Long)
Staimoctf
77
2 Nov 2024
Niven Numbers (Long)
gallium-gonzollium
60
2 Nov 2024
Niven Numbers (Long)
RedzGoose
64
20 Oct 2024
Niven Numbers (Long)
JesseNoEyes
68
12 Oct 2024
Niven Numbers (Long)
FernSchoenberg
63
9 Oct 2024
Niven Numbers (Long)
logvp
57
7 Oct 2024
Niven Numbers (Long)
TeddyWoodburn
77
6 Oct 2024
Niven Numbers (Long)
dokutan
52
3 Oct 2024
Niven Numbers (Long)
Mabeloid
79
3 Oct 2024
Niven Numbers (Long)
Loag
60
22 Sep 2024
Niven Numbers (Long)
zacjl
52
20 Sep 2024
Niven Numbers (Long)
hiichbindermax
56
16 Sep 2024
Niven Numbers (Long)
julian-hoelz
69
15 Sep 2024
Niven Numbers (Long)
Schreipfelerer
65
11 Sep 2024
Niven Numbers (Long)
LostSyntax21
55
10 Sep 2024
Niven Numbers (Long)
Deedogg
66
9 Sep 2024
Niven Numbers (Long)
hamilton-bonds
88
9 Sep 2024
Niven Numbers (Long)
NanduBC
60
7 Sep 2024
Niven Numbers (Long)
emgordon154
53
6 Sep 2024
Niven Numbers (Long)
Mikey-Beep
58
5 Sep 2024
Niven Numbers (Long)
EnTerr
57
1 Sep 2024
Niven Numbers (Long)
alemelis
56
31 Aug 2024
Niven Numbers (Long)
CyberTapir
62
28 Aug 2024
Niven Numbers (Long)
PyryL
80
25 Aug 2024
Niven Numbers (Long)
jatloe
54
24 Aug 2024
Niven Numbers (Long)
khvdm
🥇
50
18 Aug 2024
Niven Numbers (Long)
bizy-coder
54
15 Aug 2024
Niven Numbers (Long)
Mathrew2012
63
15 Aug 2024
Niven Numbers (Long)
duckyluuk
52
15 Aug 2024
Niven Numbers (Long)
b-illy
52
8 Aug 2024
Niven Numbers (Long)
alexeldridge
62
8 Aug 2024
Niven Numbers (Long)
codingisgreatbutiamnot
56
7 Aug 2024
Niven Numbers (Long)
Ythaenagor
66
5 Aug 2024
Niven Numbers (Long)
TheCod-r
88
3 Aug 2024
Niven Numbers (Long)
inventshah
53
29 Jul 2024
Niven Numbers (Long)
kg583
51
28 Jul 2024
Niven Numbers (Long)
jipsong
63
27 Jul 2024
Niven Numbers (Long)
cyxv
60
26 Jul 2024
Niven Numbers (Long)
IoLimmer
72
25 Jul 2024
Niven Numbers (Long)
CaedenHarper
54
24 Jul 2024
Niven Numbers (Long)
Bulmenisaurus
51
21 Jul 2024
Niven Numbers (Long)
wuzekai518
56
19 Jul 2024