Recent Solutions
Prev Hole
Play Hole
Next Hole
Achievements
Cheevos
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
Calendar
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
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
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
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
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
Erlang
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
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
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
Calendar
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
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
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
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Vampire Numbers
HumanoidCPU
1,083
2ms
23 hours ago
Vampire Numbers
ryyyn
113
1,079ms
2 days ago
Vampire Numbers
Andrey2001
214
319ms
5 days ago
Vampire Numbers
randolchance
171
345ms
7 days ago
Vampire Numbers
albanian-laundromat
617
2ms
8 days ago
Vampire Numbers
Andrey2001
215
880ms
9 days ago
Vampire Numbers
DialFrost
💎
154
4,103ms
13 days ago
Vampire Numbers
retrohun
1,407
1,731ms
14 days ago
Vampire Numbers
Yax42
190
114ms
15 days ago
Vampire Numbers
amazingalek
468
385ms
17 days ago
Vampire Numbers
Nxllpointer
1,383
4ms
18 days ago
Vampire Numbers
codewrite
528
2,126ms
19 days ago
Vampire Numbers
aliakseikalosha
354
3,619ms
20 days ago
Vampire Numbers
dokutan
681
9ms
26 days ago
Vampire Numbers
blaztoma
131
625ms
27 days ago
Vampire Numbers
edsrzf
💎
159
401ms
27 days ago
Vampire Numbers
blaztoma
🥈
163
230ms
27 days ago
Vampire Numbers
zhaohm14
125
654ms
9 Jan 2026
Vampire Numbers
KatieLG-Transpiler
1,228
2ms
9 Jan 2026
Vampire Numbers
KatieLG-Transpiler
1,233
9ms
9 Jan 2026
Vampire Numbers
KatieLG-Transpiler
1,231
3ms
9 Jan 2026
Vampire Numbers
TheZwierzLF
493
2,209ms
8 Jan 2026
Vampire Numbers
TheZwierzLF
153
4,510ms
7 Jan 2026
Vampire Numbers
KatieLG
124
261ms
5 Jan 2026
Vampire Numbers
TheZwierzLF
753
4,964ms
5 Jan 2026
Vampire Numbers
mwarvik
1,089
334ms
5 Jan 2026
Vampire Numbers
KatieLG
124
875ms
5 Jan 2026
Vampire Numbers
fuzzylojik-golf
131
1,125ms
4 Jan 2026
Vampire Numbers
fuzzylojik-golf
132
680ms
4 Jan 2026
Vampire Numbers
HumanoidCPU
1,079
5ms
1 Jan 2026
Vampire Numbers
sean-niemann
112
958ms
31 Dec 2025
Vampire Numbers
noahdorsch
1,273
2,386ms
28 Dec 2025
Vampire Numbers
dokutan
585
58ms
27 Dec 2025
Vampire Numbers
dokutan
585
119ms
27 Dec 2025
Vampire Numbers
Shanethegamer
1,091
3ms
25 Dec 2025
Vampire Numbers
TheZwierzLF
389
4,862ms
24 Dec 2025
Vampire Numbers
CornerMercury
120
617ms
22 Dec 2025
Vampire Numbers
snoozingnewt
132
888ms
22 Dec 2025
Vampire Numbers
snoozingnewt
132
235ms
22 Dec 2025
Vampire Numbers
edsrzf
127
639ms
21 Dec 2025
Vampire Numbers
albanian-laundromat
💎
167
4,655ms
20 Dec 2025
Vampire Numbers
DialFrost
🥈
156
482ms
14 Dec 2025
Vampire Numbers
ovs-code
💎
134
4,411ms
14 Dec 2025
Vampire Numbers
CaedenHarper
120
1,432ms
12 Dec 2025
Vampire Numbers
CaedenHarper
127
615ms
12 Dec 2025
Vampire Numbers
dokutan
830
304ms
12 Dec 2025
Vampire Numbers
dokutan
701
84ms
12 Dec 2025
Vampire Numbers
dokutan
663
118ms
12 Dec 2025
Vampire Numbers
TheZwierzLF
553
1,733ms
12 Dec 2025
Vampire Numbers
Maashau
1,087
2ms
12 Dec 2025
Vampire Numbers
edsrzf
🥈
225
4,832ms
12 Dec 2025
Vampire Numbers
edsrzf
💎
222
219ms
12 Dec 2025
Vampire Numbers
bitsandbeyond
💎
129
4,706ms
10 Dec 2025
Vampire Numbers
dokutan
678
811ms
10 Dec 2025
Vampire Numbers
HumanoidCPU
1,124
324ms
7 Dec 2025
Vampire Numbers
sean-niemann
🥈
123
1,746ms
6 Dec 2025
Vampire Numbers
Lv0Sys
133
659ms
4 Dec 2025
Vampire Numbers
Lv0Sys
164
218ms
4 Dec 2025
Vampire Numbers
Shanethegamer
1,091
105ms
4 Dec 2025
Vampire Numbers
emgordon154
🥉
171
458ms
4 Dec 2025
Vampire Numbers
snoozingnewt
632
83ms
3 Dec 2025
Vampire Numbers
dokutan
679
2ms
3 Dec 2025
Vampire Numbers
rucin93
128
220ms
2 Dec 2025
Vampire Numbers
CaedenHarper
1,247
124ms
1 Dec 2025
Vampire Numbers
HumanoidCPU
1,224
7ms
1 Dec 2025
Vampire Numbers
JOrE20
🥉
994
7ms
30 Nov 2025
Vampire Numbers
ScottHamper
787
584ms
30 Nov 2025
Vampire Numbers
KatieLG
1,040
1,299ms
30 Nov 2025
Vampire Numbers
KatieLG
1,017
95ms
30 Nov 2025
Vampire Numbers
KatieLG
1,006
7ms
30 Nov 2025
Vampire Numbers
KatieLG
1,034
115ms
30 Nov 2025
Vampire Numbers
KatieLG
1,033
824ms
30 Nov 2025
Vampire Numbers
KatieLG
1,015
77ms
30 Nov 2025
Vampire Numbers
KatieLG
1,048
291ms
30 Nov 2025
Vampire Numbers
KatieLG
1,039
161ms
30 Nov 2025
Vampire Numbers
KatieLG
1,042
83ms
30 Nov 2025
Vampire Numbers
KatieLG
1,051
210ms
30 Nov 2025
Vampire Numbers
KatieLG
983
2ms
30 Nov 2025
Vampire Numbers
KatieLG
1,053
4ms
30 Nov 2025
Vampire Numbers
KatieLG
1,034
2,112ms
30 Nov 2025