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
Mandelbrot
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
Partition Numbers
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
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
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 Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
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
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
Knight
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
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
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
Knight
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
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
Mandelbrot
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
Partition Numbers
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
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
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 Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Vampire Numbers
olleicua
1,077
7 days ago
Vampire Numbers
mrxz
636
15 days ago
Vampire Numbers
acollett89
1,079
21 Jul 2025
Vampire Numbers
gigaprofisi
1,077
20 Jun 2025
Vampire Numbers
dokutan
862
20 Apr 2025
Vampire Numbers
targrik
183
3 Apr 2025
Vampire Numbers
madex
247
1 Feb 2025
Vampire Numbers
CaedenHarper
1,077
31 Jan 2025
Vampire Numbers
deancureton
207
29 Dec 2024
Vampire Numbers
pooloopo
944
22 Dec 2024
Vampire Numbers
ovs-code
🥇
108
16 Nov 2024
Vampire Numbers
alexsave
189
5 Nov 2024
Vampire Numbers
lukegustafson
159
31 Oct 2024
Vampire Numbers
madeforlosers
292
23 Oct 2024
Vampire Numbers
xyangst
169
15 Oct 2024
Vampire Numbers
stefangimmillaro
120
15 Oct 2024
Vampire Numbers
LukeBridges
379
8 Oct 2024
Vampire Numbers
KrausRaus
1,077
23 Sep 2024
Vampire Numbers
sean-niemann
137
11 Aug 2024
Vampire Numbers
thisishowmymindworks
169
21 Jun 2024
Vampire Numbers
hacker112
1,011
20 Jun 2024
Vampire Numbers
helbling
135
20 Jun 2024
Vampire Numbers
vlpx
117
18 Jun 2024
Vampire Numbers
HumanoidCPU
1,077
8 May 2024
Vampire Numbers
trinityy-7
1,077
14 Mar 2024
Vampire Numbers
coreynash
137
13 Mar 2024
Vampire Numbers
rucin93
136
16 Feb 2024
Vampire Numbers
two-bad
457
8 Feb 2024
Vampire Numbers
Shanethegamer
165
8 Jan 2024
Vampire Numbers
willpiam
277
31 Oct 2023
Vampire Numbers
Argeento
139
8 Sep 2023
Vampire Numbers
emplv
117
26 Jul 2023
Vampire Numbers
zakariamouhid
257
21 Jun 2023
Vampire Numbers
janbehrens
174
18 May 2023
Vampire Numbers
MeWhenI
205
12 May 2023
Vampire Numbers
tayloia
131
11 May 2023
Vampire Numbers
dmrichwa
131
29 Jan 2023
Vampire Numbers
jared-hughes
125
26 Jan 2023
Vampire Numbers
retrohun
1,233
28 Dec 2022
Vampire Numbers
ShiraJoseph
678
25 Dec 2022
Vampire Numbers
CatsAreFluffy
679
17 Dec 2022
Vampire Numbers
eranws
1,077
13 Nov 2022
Vampire Numbers
BambooleanLogic
166
9 Nov 2022
Vampire Numbers
SirFireball3521
1,077
31 Oct 2022
Vampire Numbers
raphaelimahorn
753
31 Oct 2022
Vampire Numbers
ArmaanAS
1,077
31 Oct 2022
Vampire Numbers
KatieLG
183
24 Oct 2022
Vampire Numbers
itsh01
130
12 Sep 2022
Vampire Numbers
KatieLG-Transpiler
1,079
23 Jun 2022
Vampire Numbers
GeorgeStechman
1,077
7 Jun 2022
Vampire Numbers
didion0
176
22 Feb 2022
Vampire Numbers
voytxt
1,077
25 Jan 2022
Vampire Numbers
akshatj27
868
11 Jan 2022
Vampire Numbers
uttumuttu
171
6 Jan 2022
Vampire Numbers
Irratix
123
22 Dec 2021
Vampire Numbers
emgordon154
151
11 Dec 2021
Vampire Numbers
shellbertt
1,093
6 Dec 2021
Vampire Numbers
MathisBullinger
166
17 Nov 2021
Vampire Numbers
nwellnhof
🥉
111
13 Nov 2021
Vampire Numbers
mokymok
1,233
8 Nov 2021
Vampire Numbers
nathanadams
1,077
31 Oct 2021
Vampire Numbers
neihousaigaai
161
31 Oct 2021
Vampire Numbers
tomtheisen
124
23 Oct 2021
Vampire Numbers
con-cs
1,079
18 Oct 2021
Vampire Numbers
SpareManiKatti
1,077
14 Oct 2021
Vampire Numbers
prplz
133
9 Oct 2021
Vampire Numbers
theunofficialcoder
1,077
19 Aug 2021
Vampire Numbers
JayXon
🥇
108
14 Aug 2021
Vampire Numbers
wansacis
160
26 Jul 2021
Vampire Numbers
lewdev
780
26 Jul 2021
Vampire Numbers
c0d3-4-F00d
1,233
9 Jul 2021
Vampire Numbers
WilleyOhana
1,097
1 Mar 2021
Vampire Numbers
o0lit3
126
22 Feb 2021
Vampire Numbers
gnlow
1,077
18 Feb 2021
Vampire Numbers
primo-ppcg
121
25 Jan 2021