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
Hilbert Curve
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
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
Groovy
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
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
Groovy
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
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
Hilbert Curve
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
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
Chars
Submitted
Vampire Numbers
albanian-laundromat
147
17 hours ago
Vampire Numbers
KatieLG
1,380
22 hours ago
Vampire Numbers
dokutan
🥇
1,279
24 hours ago
Vampire Numbers
dokutan
1,230
46 hours ago
Vampire Numbers
blaztoma
173
2 days ago
Vampire Numbers
CaedenHarper
🥉
146
6 days ago
Vampire Numbers
albanian-laundromat
🥉
250
8 days ago
Vampire Numbers
edsrzf
💎
124
9 days ago
Vampire Numbers
DialFrost
🥈
126
9 days ago
Vampire Numbers
KasperKivimaeki
162
10 days ago
Vampire Numbers
CaedenHarper
191
13 days ago
Vampire Numbers
dokutan
184
14 days ago
Vampire Numbers
InigoK
136
16 days ago
Vampire Numbers
pardouin
84
17 days ago
Vampire Numbers
qpwoeirut
135
19 days ago
Vampire Numbers
kumavale
193
20 days ago
Vampire Numbers
trinityy-7
151
20 days ago
Vampire Numbers
mossiegoat
235
22 days ago
Vampire Numbers
albanian-laundromat
🥈
180
24 days ago
Vampire Numbers
Upload-and-View
441
25 days ago
Vampire Numbers
kg583
🥉
117
26 days ago
Vampire Numbers
HumanoidCPU
1,391
27 days ago
Vampire Numbers
HumanoidCPU
1,245
27 days ago
Vampire Numbers
HumanoidCPU
1,228
27 days ago
Vampire Numbers
HumanoidCPU
1,690
27 days ago
Vampire Numbers
HumanoidCPU
1,278
27 days ago
Vampire Numbers
HumanoidCPU
1,253
27 days ago
Vampire Numbers
CaedenHarper
1,799
27 days ago
Vampire Numbers
CaedenHarper
1,551
16 Aug 2025
Vampire Numbers
CaedenHarper
1,224
16 Aug 2025
Vampire Numbers
CaedenHarper
1,281
16 Aug 2025
Vampire Numbers
CaedenHarper
1,225
16 Aug 2025
Vampire Numbers
CaedenHarper
1,086
16 Aug 2025
Vampire Numbers
CaedenHarper
1,076
16 Aug 2025
Vampire Numbers
CaedenHarper
1,079
16 Aug 2025
Vampire Numbers
CaedenHarper
1,077
16 Aug 2025
Vampire Numbers
CaedenHarper
1,085
16 Aug 2025
Vampire Numbers
CaedenHarper
1,078
16 Aug 2025
Vampire Numbers
CaedenHarper
1,080
16 Aug 2025
Vampire Numbers
CaedenHarper
1,091
16 Aug 2025
Vampire Numbers
CaedenHarper
1,076
16 Aug 2025
Vampire Numbers
CaedenHarper
1,076
16 Aug 2025
Vampire Numbers
CaedenHarper
1,076
16 Aug 2025
Vampire Numbers
CaedenHarper
1,077
16 Aug 2025
Vampire Numbers
CaedenHarper
1,082
16 Aug 2025
Vampire Numbers
CaedenHarper
1,070
16 Aug 2025
Vampire Numbers
CaedenHarper
1,076
16 Aug 2025
Vampire Numbers
CaedenHarper
1,075
16 Aug 2025
Vampire Numbers
CaedenHarper
1,084
16 Aug 2025
Vampire Numbers
CaedenHarper
1,080
16 Aug 2025
Vampire Numbers
CaedenHarper
1,079
16 Aug 2025
Vampire Numbers
CaedenHarper
1,070
16 Aug 2025
Vampire Numbers
edsrzf
💎
102
16 Aug 2025
Vampire Numbers
Yax42
226
15 Aug 2025
Vampire Numbers
HumanoidCPU
2,000
14 Aug 2025
Vampire Numbers
HumanoidCPU
2,000
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,080
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,093
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,076
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,073
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,080
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,080
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,072
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,071
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,099
14 Aug 2025
Vampire Numbers
HumanoidCPU
1,999
13 Aug 2025
Vampire Numbers
primo-ppcg
💎
470
13 Aug 2025
Vampire Numbers
HumanoidCPU
2,934
13 Aug 2025
Vampire Numbers
emgordon154
176
13 Aug 2025
Vampire Numbers
olleicua
1,077
13 Aug 2025
Vampire Numbers
pardouin
🥉
126
12 Aug 2025
Vampire Numbers
pardouin
🥉
133
12 Aug 2025
Vampire Numbers
RaBa21
116
11 Aug 2025
Vampire Numbers
mrxz
636
5 Aug 2025
Vampire Numbers
Shanethegamer
1,072
5 Aug 2025