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
Bytes
Time
Submitted
99 Bottles of Beer
KatieLG
1,296
204ms
13 days ago
99 Bottles of Beer
kumavale
287
235ms
22 days ago
99 Bottles of Beer
Mabeloid
546
120ms
31 Oct 2025
99 Bottles of Beer
snoozingnewt
417
141ms
29 Sep 2025
99 Bottles of Beer
acotis
277
223ms
27 Sep 2025
99 Bottles of Beer
CaedenHarper
11,905
113ms
16 Aug 2025
99 Bottles of Beer
TannerJ07
345
127ms
6 Apr 2025
99 Bottles of Beer
CosmicRaichu
443
162ms
2 Apr 2025
99 Bottles of Beer
komunre
881
224ms
12 Mar 2025
99 Bottles of Beer
makononov
358
144ms
3 Mar 2025
99 Bottles of Beer
emgordon154
391
166ms
23 Feb 2025
99 Bottles of Beer
CatsAreFluffy
557
115ms
15 Nov 2024
99 Bottles of Beer
lifthrasiir
294
125ms
9 Nov 2024
99 Bottles of Beer
Alfiecxn
483
141ms
13 Oct 2024
99 Bottles of Beer
dokutan
455
204ms
10 Oct 2024
99 Bottles of Beer
mousetail
329
123ms
16 Jul 2024
99 Bottles of Beer
elgan65536
313
125ms
6 Jul 2024
99 Bottles of Beer
fadedblack
580
125ms
12 Jun 2024
99 Bottles of Beer
Aurel300
321
121ms
7 Jun 2024
99 Bottles of Beer
HumanoidCPU
11,905
107ms
13 May 2024
99 Bottles of Beer
Jo0n4s
566
214ms
29 Feb 2024
99 Bottles of Beer
Trusly
478
151ms
22 Feb 2024
99 Bottles of Beer
okaponta
342
160ms
13 Jan 2024
99 Bottles of Beer
logvp
344
159ms
9 Jan 2024
99 Bottles of Beer
dignifiedalpaca
387
124ms
25 Dec 2023
99 Bottles of Beer
drabart
381
130ms
15 Dec 2023
99 Bottles of Beer
stefangimmillaro
345
153ms
13 Nov 2023
99 Bottles of Beer
deniz-blue
496
158ms
16 Oct 2023
99 Bottles of Beer
msbranicky
358
127ms
6 Oct 2023
99 Bottles of Beer
yamhab
408
160ms
13 Sep 2023
99 Bottles of Beer
Re-Adventures
391
153ms
23 Aug 2023
99 Bottles of Beer
WatMan77
626
122ms
14 Aug 2023
99 Bottles of Beer
klixel
378
130ms
18 Apr 2023
99 Bottles of Beer
BuzzZ80
393
126ms
7 Apr 2023
99 Bottles of Beer
christensendaniel
779
123ms
29 Mar 2023
99 Bottles of Beer
kgodara
339
129ms
7 Mar 2023
99 Bottles of Beer
DialFrost
349
123ms
8 Jan 2023
99 Bottles of Beer
retrohun
11,909
111ms
27 Dec 2022
99 Bottles of Beer
NoUselessTech
375
141ms
21 Dec 2022
99 Bottles of Beer
MeWhenI
322
149ms
13 Nov 2022
99 Bottles of Beer
andersk
307
123ms
25 Oct 2022
99 Bottles of Beer
Xzyaihni
327
231ms
16 Oct 2022
99 Bottles of Beer
ian-h-chamberlain
335
141ms
26 Jul 2022
99 Bottles of Beer
iihiro
389
157ms
5 Jul 2022
99 Bottles of Beer
KatieLG-Transpiler
12,206
113ms
24 Jun 2022
99 Bottles of Beer
gbxdl
382
133ms
15 Jun 2022
99 Bottles of Beer
connorslade
440
154ms
12 May 2022
99 Bottles of Beer
primo-ppcg
304
140ms
2 May 2022
99 Bottles of Beer
JayXon
🥇
259
144ms
7 Apr 2022
99 Bottles of Beer
Super-Pizza
🥇
259
142ms
7 Apr 2022
99 Bottles of Beer
verticallity
317
130ms
6 Apr 2022
99 Bottles of Beer
lynn
🥉
274
139ms
5 Apr 2022
99 Bottles of Beer
scpchicken
345
130ms
1 Apr 2022
99 Bottles of Beer
JGDoerrer
412
123ms
24 Feb 2022
99 Bottles of Beer
Lukas-Fuchs
358
144ms
7 Feb 2022
99 Bottles of Beer
ibeucaly
506
134ms
5 Feb 2022
99 Bottles of Beer
1337-man
15,789
259ms
24 Jan 2022
99 Bottles of Beer
Eolu
329
126ms
20 Jan 2022
99 Bottles of Beer
amaebel
373
130ms
8 Dec 2021
99 Bottles of Beer
janbehrens
383
147ms
16 Nov 2021
99 Bottles of Beer
Shanethegamer
543
119ms
10 Sep 2021
99 Bottles of Beer
coffeenotfound
322
142ms
18 Aug 2021
99 Bottles of Beer
Nexilis
434
146ms
16 Jan 2021
99 Bottles of Beer
btjones0
11,905
107ms
26 Dec 2020
99 Bottles of Beer
detrumi
355
153ms
27 Oct 2020
99 Bottles of Beer
Juici
359
156ms
24 Sep 2020
99 Bottles of Beer
WhoisDavid
336
126ms
16 Sep 2020
99 Bottles of Beer
Domicnt
523
115ms
15 Jun 2020
99 Bottles of Beer
antonymerle
653
138ms
22 May 2020
99 Bottles of Beer
nipzu
392
144ms
28 Apr 2020
99 Bottles of Beer
sidju
446
148ms
17 Feb 2020
99 Bottles of Beer
SirBogman
319
206ms
15 Feb 2020
99 Bottles of Beer
SolidTux
545
120ms
6 Jan 2020
99 Bottles of Beer
germania
485
153ms
6 Jan 2020
99 Bottles of Beer
scottpenn
454
171ms
4 Jan 2020