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
Minesweeper
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
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
Calendar
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
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
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
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
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
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
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
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
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
Calendar
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
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Lucky Tickets
duckyluuk
101
9ms
2 days ago
Lucky Tickets
ryyyn
107
10ms
4 days ago
Lucky Tickets
Yewzir
498
9ms
6 days ago
Lucky Tickets
blaztoma
132
11ms
15 days ago
Lucky Tickets
Babafaba
183
16ms
27 days ago
Lucky Tickets
mossiegoat
202
11ms
22 Oct 2025
Lucky Tickets
jacekwladzinski
136
14ms
5 Oct 2025
Lucky Tickets
qpwoeirut
155
15ms
25 Sep 2025
Lucky Tickets
edsrzf
141
29ms
19 Sep 2025
Lucky Tickets
CaedenHarper
148
29ms
28 Aug 2025
Lucky Tickets
BREMAUCY
186
11ms
24 Aug 2025
Lucky Tickets
gsprochette
243
11ms
22 Aug 2025
Lucky Tickets
InigoK
146
20ms
22 Aug 2025
Lucky Tickets
FlorianCassayre
224
24ms
5 Aug 2025
Lucky Tickets
5cw
99
10ms
4 Aug 2025
Lucky Tickets
Zhenyu-Bo
354
11ms
31 Jul 2025
Lucky Tickets
YAJUE114514
143
10ms
27 Jul 2025
Lucky Tickets
emgordon154
121
24ms
25 Jul 2025
Lucky Tickets
wuduculfre
104
9ms
22 Jul 2025
Lucky Tickets
JunkIce
222
24ms
16 Jul 2025
Lucky Tickets
klixel
178
10ms
13 Jul 2025
Lucky Tickets
Flekay
171
1,997ms
11 Jul 2025
Lucky Tickets
RaBa21
232
10ms
10 Jul 2025
Lucky Tickets
KasperKivimaeki
102
11ms
8 Jul 2025
Lucky Tickets
rucin93
102
9ms
3 Jul 2025
Lucky Tickets
lukegustafson
🥇
98
28ms
3 Jul 2025
Lucky Tickets
4atj
🥇
98
28ms
30 Jun 2025
Lucky Tickets
andrewjc2000
152
9ms
25 Jun 2025
Lucky Tickets
Alban-Boissard
267
14ms
14 Jun 2025
Lucky Tickets
Lv0Sys
159
13ms
12 Jun 2025
Lucky Tickets
albanian-laundromat
131
18ms
1 Jun 2025
Lucky Tickets
HumanoidCPU
854
11ms
1 Jun 2025
Lucky Tickets
Mabeloid
571
9ms
4 May 2025
Lucky Tickets
MeWhenI
🥇
98
30ms
15 Apr 2025
Lucky Tickets
ahmetdemirag
217
11ms
4 Apr 2025
Lucky Tickets
dokutan
171
2,198ms
20 Mar 2025
Lucky Tickets
WillowWispy
340
87ms
18 Mar 2025
Lucky Tickets
kops-cg
🥇
98
29ms
12 Mar 2025
Lucky Tickets
Lopsy
🥇
98
29ms
12 Mar 2025
Lucky Tickets
CLOStrophobic
145
11ms
18 Feb 2025
Lucky Tickets
ComputerKWasTaken
261
3,579ms
21 Jan 2025
Lucky Tickets
croc54
170
16ms
11 Jan 2025
Lucky Tickets
AidanWalter
695
3,370ms
3 Jan 2025
Lucky Tickets
yokasuretsu
151
9ms
2 Jan 2025
Lucky Tickets
sean-niemann
🥇
98
29ms
28 Dec 2024
Lucky Tickets
zacjl
🥇
98
28ms
5 Dec 2024
Lucky Tickets
lifthrasiir
🥇
98
31ms
3 Dec 2024
Lucky Tickets
aksyristos
241
17ms
24 Nov 2024
Lucky Tickets
wh3n3v3r
245
22ms
18 Nov 2024
Lucky Tickets
bizy-coder
137
14ms
15 Oct 2024
Lucky Tickets
khvdm
🥇
98
28ms
7 Oct 2024
Lucky Tickets
Jacob385
531
10ms
4 Oct 2024
Lucky Tickets
jatloe
160
11ms
27 Sep 2024
Lucky Tickets
hiichbindermax
161
9ms
3 Sep 2024
Lucky Tickets
greatenss
234
10ms
31 Jul 2024
Lucky Tickets
hellwue
193
11ms
29 Jul 2024
Lucky Tickets
DialFrost
186
10ms
28 Jul 2024
Lucky Tickets
bac0id
222
14ms
5 Jul 2024
Lucky Tickets
mbittner20
240
11ms
30 Jun 2024
Lucky Tickets
Seek64
104
10ms
26 Jun 2024
Lucky Tickets
bricknellj
105
300ms
19 Jun 2024
Lucky Tickets
snoozingnewt
171
2,197ms
18 Jun 2024
Lucky Tickets
lynn
🥇
98
28ms
15 Jun 2024
Lucky Tickets
Steffan153
🥇
98
28ms
15 Jun 2024
Lucky Tickets
yuchuehw
171
2,348ms
3 Jun 2024
Lucky Tickets
error256
160
10ms
3 Jun 2024
Lucky Tickets
jtaxen
154
9ms
9 May 2024
Lucky Tickets
anter69
140
28ms
31 Mar 2024
Lucky Tickets
elgan65536
144
15ms
30 Mar 2024
Lucky Tickets
sisyphus-ppcg
101
33ms
18 Feb 2024
Lucky Tickets
Frowny
168
4,570ms
18 Feb 2024
Lucky Tickets
cros107
157
4,280ms
18 Feb 2024
Lucky Tickets
Just4FunCoder
150
9ms
17 Feb 2024
Lucky Tickets
mathisfun271
142
9ms
9 Feb 2024
Lucky Tickets
SB-945
185
13ms
28 Jan 2024