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
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
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
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
Multitap Input
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
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
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
Multitap Input
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
Chars
Time
Submitted
99 Bottles of Beer
moozzi
301
32ms
4 days ago
99 Bottles of Beer
anter69
124
32ms
4 days ago
99 Bottles of Beer
primo-ppcg
199
56ms
11 days ago
99 Bottles of Beer
blaztoma
243
43ms
14 days ago
99 Bottles of Beer
AetherQuantity
461
32ms
21 Oct 2025
99 Bottles of Beer
snoozingnewt
152
32ms
14 Oct 2025
99 Bottles of Beer
KatieLG
146
34ms
2 Oct 2025
99 Bottles of Beer
pardouin
🥈
123
33ms
27 Aug 2025
99 Bottles of Beer
CaedenHarper
11,890
33ms
16 Aug 2025
99 Bottles of Beer
yobatm
352
32ms
3 Aug 2025
99 Bottles of Beer
dokutan
172
34ms
23 Apr 2025
99 Bottles of Beer
MeWhenI
129
32ms
13 Apr 2025
99 Bottles of Beer
paul-c-hartman
381
36ms
7 Mar 2025
99 Bottles of Beer
tatzyr
133
35ms
8 Jan 2025
99 Bottles of Beer
HumanoidCPU
5,966
33ms
26 Dec 2024
99 Bottles of Beer
nwellnhof
212
32ms
14 Oct 2024
99 Bottles of Beer
janlelis
💎
121
34ms
22 Sep 2024
99 Bottles of Beer
Mabeloid
11,890
33ms
17 Sep 2024
99 Bottles of Beer
beirigo
225
33ms
16 Jul 2024
99 Bottles of Beer
ovs-code
205
34ms
8 Jul 2024
99 Bottles of Beer
UnusedConfetti
519
32ms
20 Mar 2024
99 Bottles of Beer
3dm4n
312
31ms
2 Mar 2024
99 Bottles of Beer
Shashwat986
279
32ms
26 Feb 2024
99 Bottles of Beer
SirBogman
126
32ms
27 Jan 2024
99 Bottles of Beer
oneWaveAdrian
251
33ms
17 Jan 2024
99 Bottles of Beer
olleicua
165
33ms
15 Jan 2024
99 Bottles of Beer
Dingus357
197
34ms
14 Oct 2023
99 Bottles of Beer
jonathanelliott
242
32ms
11 Oct 2023
99 Bottles of Beer
msbranicky
347
33ms
14 Sep 2023
99 Bottles of Beer
aaronkison
306
32ms
11 Sep 2023
99 Bottles of Beer
PikeIt
263
33ms
26 Jun 2023
99 Bottles of Beer
christensendaniel
403
32ms
29 Mar 2023
99 Bottles of Beer
Haksell
317
32ms
22 Feb 2023
99 Bottles of Beer
Natanaelel
254
33ms
20 Feb 2023
99 Bottles of Beer
4hg
281
32ms
23 Jan 2023
99 Bottles of Beer
DialFrost
176
33ms
8 Jan 2023
99 Bottles of Beer
johnreitano
422
33ms
21 Dec 2022
99 Bottles of Beer
OhmNomNom
221
36ms
20 Oct 2022
99 Bottles of Beer
jared-hughes
221
32ms
12 Sep 2022
99 Bottles of Beer
Andriamanitra
259
33ms
25 Aug 2022
99 Bottles of Beer
purp
279
34ms
13 Aug 2022
99 Bottles of Beer
KatieLG-Transpiler
11,890
33ms
24 Jun 2022
99 Bottles of Beer
Hee-San
275
32ms
4 Jun 2022
99 Bottles of Beer
frnco
346
33ms
2 Jun 2022
99 Bottles of Beer
Shanethegamer
147
33ms
1 Jun 2022
99 Bottles of Beer
JayXon
🥈
123
34ms
8 Apr 2022
99 Bottles of Beer
Anonymousellama21
372
32ms
18 Feb 2022
99 Bottles of Beer
stefangimmillaro
216
32ms
14 Feb 2022
99 Bottles of Beer
chrismytton
277
32ms
28 Jan 2022
99 Bottles of Beer
1337-man
13,977
33ms
24 Jan 2022
99 Bottles of Beer
emgordon154
264
32ms
6 Dec 2021
99 Bottles of Beer
acornellier
262
32ms
1 Dec 2021
99 Bottles of Beer
janbehrens
276
44ms
15 Nov 2021
99 Bottles of Beer
olivermrose
143
34ms
8 Oct 2021
99 Bottles of Beer
Fmbalbuena
11,897
32ms
6 Oct 2021
99 Bottles of Beer
jbbarth
219
32ms
28 Sep 2021
99 Bottles of Beer
UladzimirSukharukau
253
34ms
14 Sep 2021
99 Bottles of Beer
MadonnaMat
336
33ms
9 Jul 2021
99 Bottles of Beer
fitzdotlol
225
32ms
25 May 2021
99 Bottles of Beer
JRaspass
282
35ms
18 May 2021
99 Bottles of Beer
jacobsmith
344
33ms
28 Feb 2021
99 Bottles of Beer
NewDefectus
229
38ms
16 Feb 2021
99 Bottles of Beer
boxjelly
311
32ms
12 Feb 2021
99 Bottles of Beer
SephQ
210
33ms
7 Feb 2021
99 Bottles of Beer
hiddicop
254
32ms
27 Jan 2021
99 Bottles of Beer
Waffle3z
257
32ms
22 Jan 2021
99 Bottles of Beer
GrayJoKing
128
32ms
16 Dec 2020
99 Bottles of Beer
michaelbaudino
252
34ms
18 Oct 2020
99 Bottles of Beer
orthoplex
11,890
32ms
16 Oct 2020
99 Bottles of Beer
yzhs
236
32ms
6 Sep 2020
99 Bottles of Beer
proton
236
33ms
9 Jun 2020
99 Bottles of Beer
dwayneparton
293
33ms
6 May 2020
99 Bottles of Beer
tadd
317
32ms
16 Apr 2020
99 Bottles of Beer
wjessop
237
32ms
16 Apr 2020
99 Bottles of Beer
joshuaballoch
292
33ms
15 Jan 2020