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
Trinomial Triangle
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
Smooth Numbers
Snake
Sphenic Numbers
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
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
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
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
99 Bottles of Beer
AetherQuantity
461
37ms
2 days ago
99 Bottles of Beer
snoozingnewt
285
38ms
7 days ago
99 Bottles of Beer
pardouin
213
36ms
26 Aug 2025
99 Bottles of Beer
CaedenHarper
11,890
35ms
16 Aug 2025
99 Bottles of Beer
yobatm
352
47ms
3 Aug 2025
99 Bottles of Beer
dokutan
289
36ms
21 Apr 2025
99 Bottles of Beer
MeWhenI
207
46ms
13 Apr 2025
99 Bottles of Beer
paul-c-hartman
381
35ms
7 Mar 2025
99 Bottles of Beer
tatzyr
238
36ms
8 Jan 2025
99 Bottles of Beer
nwellnhof
212
35ms
14 Oct 2024
99 Bottles of Beer
anter69
218
43ms
18 Sep 2024
99 Bottles of Beer
Mabeloid
11,890
35ms
17 Sep 2024
99 Bottles of Beer
beirigo
225
33ms
16 Jul 2024
99 Bottles of Beer
ovs-code
🥉
205
37ms
8 Jul 2024
99 Bottles of Beer
DialFrost
262
36ms
1 Jun 2024
99 Bottles of Beer
HumanoidCPU
11,890
35ms
13 May 2024
99 Bottles of Beer
UnusedConfetti
519
50ms
20 Mar 2024
99 Bottles of Beer
3dm4n
312
42ms
2 Mar 2024
99 Bottles of Beer
Shashwat986
279
35ms
26 Feb 2024
99 Bottles of Beer
olleicua
220
37ms
15 Feb 2024
99 Bottles of Beer
oneWaveAdrian
251
36ms
17 Jan 2024
99 Bottles of Beer
Dingus357
💎
197
37ms
14 Oct 2023
99 Bottles of Beer
jonathanelliott
242
50ms
11 Oct 2023
99 Bottles of Beer
msbranicky
347
37ms
14 Sep 2023
99 Bottles of Beer
aaronkison
306
54ms
11 Sep 2023
99 Bottles of Beer
PikeIt
263
37ms
26 Jun 2023
99 Bottles of Beer
christensendaniel
403
44ms
29 Mar 2023
99 Bottles of Beer
Haksell
317
36ms
22 Feb 2023
99 Bottles of Beer
Natanaelel
254
35ms
20 Feb 2023
99 Bottles of Beer
4hg
281
35ms
23 Jan 2023
99 Bottles of Beer
johnreitano
422
36ms
21 Dec 2022
99 Bottles of Beer
OhmNomNom
221
36ms
20 Oct 2022
99 Bottles of Beer
jared-hughes
221
37ms
12 Sep 2022
99 Bottles of Beer
Andriamanitra
259
48ms
25 Aug 2022
99 Bottles of Beer
purp
279
37ms
13 Aug 2022
99 Bottles of Beer
KatieLG-Transpiler
11,890
34ms
24 Jun 2022
99 Bottles of Beer
Hee-San
275
34ms
4 Jun 2022
99 Bottles of Beer
frnco
346
36ms
2 Jun 2022
99 Bottles of Beer
GrayJoKing
215
43ms
1 Jun 2022
99 Bottles of Beer
KatieLG
238
39ms
10 Apr 2022
99 Bottles of Beer
JayXon
🥉
205
39ms
8 Apr 2022
99 Bottles of Beer
Anonymousellama21
372
35ms
18 Feb 2022
99 Bottles of Beer
stefangimmillaro
216
36ms
14 Feb 2022
99 Bottles of Beer
chrismytton
277
39ms
28 Jan 2022
99 Bottles of Beer
1337-man
13,977
45ms
24 Jan 2022
99 Bottles of Beer
SirBogman
221
36ms
29 Dec 2021
99 Bottles of Beer
emgordon154
264
36ms
6 Dec 2021
99 Bottles of Beer
acornellier
262
35ms
1 Dec 2021
99 Bottles of Beer
janlelis
🥈
202
36ms
23 Nov 2021
99 Bottles of Beer
janbehrens
276
47ms
15 Nov 2021
99 Bottles of Beer
olivermrose
233
45ms
16 Oct 2021
99 Bottles of Beer
Fmbalbuena
11,897
37ms
6 Oct 2021
99 Bottles of Beer
jbbarth
219
50ms
28 Sep 2021
99 Bottles of Beer
UladzimirSukharukau
253
43ms
14 Sep 2021
99 Bottles of Beer
Shanethegamer
271
35ms
30 Jul 2021
99 Bottles of Beer
MadonnaMat
336
35ms
9 Jul 2021
99 Bottles of Beer
fitzdotlol
225
45ms
25 May 2021
99 Bottles of Beer
JRaspass
282
33ms
18 May 2021
99 Bottles of Beer
prplz
209
35ms
22 Apr 2021
99 Bottles of Beer
jacobsmith
344
36ms
28 Feb 2021
99 Bottles of Beer
NewDefectus
229
38ms
16 Feb 2021
99 Bottles of Beer
boxjelly
311
35ms
12 Feb 2021
99 Bottles of Beer
hiddicop
254
35ms
27 Jan 2021
99 Bottles of Beer
Waffle3z
257
42ms
22 Jan 2021
99 Bottles of Beer
SephQ
328
35ms
1 Jan 2021
99 Bottles of Beer
michaelbaudino
252
36ms
18 Oct 2020
99 Bottles of Beer
orthoplex
11,890
68ms
16 Oct 2020
99 Bottles of Beer
yzhs
236
41ms
6 Sep 2020
99 Bottles of Beer
proton
236
33ms
9 Jun 2020
99 Bottles of Beer
dwayneparton
293
35ms
6 May 2020
99 Bottles of Beer
tadd
317
42ms
16 Apr 2020
99 Bottles of Beer
wjessop
237
56ms
16 Apr 2020
99 Bottles of Beer
joshuaballoch
292
38ms
15 Jan 2020
99 Bottles of Beer
ktheory
240
35ms
14 Jan 2020
99 Bottles of Beer
IgorDrozniak
717
36ms
19 Oct 2019