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
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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)
Taxicab Numbers
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
APL
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
><>
ALGOL 68
ArkScript
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
APL
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
Continued Fractions
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
Gray Code Decoder
Gray Code Encoder
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)
Taxicab Numbers
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
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Vampire Numbers
rucin93
🥈
98
3,069ms
2 days ago
Vampire Numbers
voytxt
128
282ms
16 days ago
Vampire Numbers
madeforlosers
178
2,367ms
30 Mar 2026
Vampire Numbers
tomh1012
297
715ms
17 Mar 2026
Vampire Numbers
JOrE20
156
274ms
26 Feb 2026
Vampire Numbers
Yax42
190
150ms
22 Jan 2026
Vampire Numbers
Lv0Sys
164
248ms
4 Dec 2025
Vampire Numbers
HumanoidCPU
383
13ms
11 Nov 2025
Vampire Numbers
XenThe
477
46ms
31 Oct 2025
Vampire Numbers
alexsave
144
4,942ms
31 Oct 2025
Vampire Numbers
Ralac07
1,077
10ms
31 Oct 2025
Vampire Numbers
iczelia
170
240ms
19 Oct 2025
Vampire Numbers
snoozingnewt
210
254ms
11 Oct 2025
Vampire Numbers
KatieLG
135
276ms
5 Oct 2025
Vampire Numbers
CaedenHarper
191
1,078ms
31 Aug 2025
Vampire Numbers
trinityy-7
151
301ms
25 Aug 2025
Vampire Numbers
olleicua
1,077
10ms
13 Aug 2025
Vampire Numbers
mrxz
636
3,820ms
5 Aug 2025
Vampire Numbers
acollett89
1,079
9ms
21 Jul 2025
Vampire Numbers
gigaprofisi
1,077
11ms
20 Jun 2025
Vampire Numbers
dokutan
474
12ms
27 Apr 2025
Vampire Numbers
targrik
183
2,661ms
3 Apr 2025
Vampire Numbers
madex
247
379ms
1 Feb 2025
Vampire Numbers
sean-niemann
111
685ms
19 Jan 2025
Vampire Numbers
emplv
101
1,120ms
19 Jan 2025
Vampire Numbers
deancureton
207
303ms
29 Dec 2024
Vampire Numbers
pooloopo
944
829ms
22 Dec 2024
Vampire Numbers
ovs-code
108
4,072ms
16 Nov 2024
Vampire Numbers
lukegustafson
159
285ms
31 Oct 2024
Vampire Numbers
xyangst
169
656ms
15 Oct 2024
Vampire Numbers
stefangimmillaro
120
2,088ms
15 Oct 2024
Vampire Numbers
LukeBridges
379
3,782ms
8 Oct 2024
Vampire Numbers
emgordon154
119
390ms
1 Aug 2024
Vampire Numbers
thisishowmymindworks
128
648ms
21 Jun 2024
Vampire Numbers
hacker112
369
11ms
20 Jun 2024
Vampire Numbers
helbling
135
2,577ms
20 Jun 2024
Vampire Numbers
vlpx
102
1,084ms
19 Jun 2024
Vampire Numbers
coreynash
137
254ms
13 Mar 2024
Vampire Numbers
two-bad
457
2,032ms
8 Feb 2024
Vampire Numbers
willpiam
277
3,858ms
31 Oct 2023
Vampire Numbers
Argeento
139
685ms
8 Sep 2023
Vampire Numbers
zakariamouhid
257
1,833ms
21 Jun 2023
Vampire Numbers
janbehrens
174
388ms
18 May 2023
Vampire Numbers
tayloia
131
699ms
11 May 2023
Vampire Numbers
Shanethegamer
128
302ms
14 Feb 2023
Vampire Numbers
jared-hughes
125
560ms
26 Jan 2023
Vampire Numbers
retrohun
1,233
10ms
28 Dec 2022
Vampire Numbers
ShiraJoseph
678
11ms
25 Dec 2022
Vampire Numbers
CatsAreFluffy
307
13ms
17 Dec 2022
Vampire Numbers
eranws
1,077
10ms
13 Nov 2022
Vampire Numbers
BambooleanLogic
166
1,609ms
9 Nov 2022
Vampire Numbers
SirFireball3521
1,077
9ms
31 Oct 2022
Vampire Numbers
raphaelimahorn
753
10ms
31 Oct 2022
Vampire Numbers
ArmaanAS
1,077
10ms
31 Oct 2022
Vampire Numbers
dmrichwa
109
631ms
25 Oct 2022
Vampire Numbers
nwellnhof
🥉
99
1,465ms
3 Oct 2022
Vampire Numbers
itsh01
130
363ms
12 Sep 2022
Vampire Numbers
KatieLG-Transpiler
1,079
10ms
23 Jun 2022
Vampire Numbers
GeorgeStechman
1,077
10ms
7 Jun 2022
Vampire Numbers
didion0
176
1,561ms
22 Feb 2022
Vampire Numbers
akshatj27
868
10ms
11 Jan 2022
Vampire Numbers
uttumuttu
171
333ms
6 Jan 2022
Vampire Numbers
Irratix
105
647ms
22 Dec 2021
Vampire Numbers
shellbertt
1,093
10ms
6 Dec 2021
Vampire Numbers
MathisBullinger
166
326ms
17 Nov 2021
Vampire Numbers
mokymok
1,233
10ms
8 Nov 2021
Vampire Numbers
nathanadams
1,077
10ms
31 Oct 2021
Vampire Numbers
neihousaigaai
161
276ms
31 Oct 2021
Vampire Numbers
tomtheisen
124
1,267ms
23 Oct 2021
Vampire Numbers
con-cs
1,079
10ms
18 Oct 2021
Vampire Numbers
SpareManiKatti
1,077
10ms
14 Oct 2021
Vampire Numbers
prplz
133
149ms
9 Oct 2021
Vampire Numbers
MeWhenI
161
736ms
6 Sep 2021
Vampire Numbers
theunofficialcoder
1,077
10ms
19 Aug 2021
Vampire Numbers
JayXon
💎
97
1,148ms
14 Aug 2021
Vampire Numbers
wansacis
160
766ms
26 Jul 2021
Vampire Numbers
lewdev
780
373ms
26 Jul 2021
Vampire Numbers
c0d3-4-F00d
1,233
11ms
9 Jul 2021
Vampire Numbers
WilleyOhana
1,097
9ms
1 Mar 2021
Vampire Numbers
o0lit3
106
341ms
22 Feb 2021
Vampire Numbers
gnlow
1,077
10ms
18 Feb 2021
Vampire Numbers
primo-ppcg
121
578ms
25 Jan 2021
Vampire Numbers
elisherer
283
1,248ms
2 Jan 2021
Vampire Numbers
JRaspass
1,077
10ms
16 Dec 2020
Vampire Numbers
NewDefectus
159
277ms
4 Nov 2020