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
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
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
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
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
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
Go
GolfScript
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
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
Go
GolfScript
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
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
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
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
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
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Chars
Submitted
99 Bottles of Beer
CatsAreFluffy
557
19 days ago
99 Bottles of Beer
lifthrasiir
294
25 days ago
99 Bottles of Beer
acotis
392
15 Oct 2024
99 Bottles of Beer
Alfiecxn
483
13 Oct 2024
99 Bottles of Beer
dokutan
455
10 Oct 2024
99 Bottles of Beer
KatieLG
12,203
29 Sep 2024
99 Bottles of Beer
Mabeloid
11,905
17 Sep 2024
99 Bottles of Beer
mousetail
329
16 Jul 2024
99 Bottles of Beer
elgan65536
313
6 Jul 2024
99 Bottles of Beer
fadedblack
580
12 Jun 2024
99 Bottles of Beer
Aurel300
321
7 Jun 2024
99 Bottles of Beer
HumanoidCPU
11,905
13 May 2024
99 Bottles of Beer
Jo0n4s
566
29 Feb 2024
99 Bottles of Beer
Trusly
478
22 Feb 2024
99 Bottles of Beer
okaponta
342
13 Jan 2024
99 Bottles of Beer
logvp
344
9 Jan 2024
99 Bottles of Beer
dignifiedalpaca
387
25 Dec 2023
99 Bottles of Beer
drabart
381
15 Dec 2023
99 Bottles of Beer
stefangimmillaro
345
13 Nov 2023
99 Bottles of Beer
TheAlan404
496
16 Oct 2023
99 Bottles of Beer
msbranicky
358
6 Oct 2023
99 Bottles of Beer
snoozingnewt
420
21 Sep 2023
99 Bottles of Beer
yamin-shihab
408
13 Sep 2023
99 Bottles of Beer
Re-Adventures
391
23 Aug 2023
99 Bottles of Beer
WatMan77
626
14 Aug 2023
99 Bottles of Beer
klixel
378
18 Apr 2023
99 Bottles of Beer
BuzzZ80
393
7 Apr 2023
99 Bottles of Beer
christensendaniel
779
29 Mar 2023
99 Bottles of Beer
kgodara
339
7 Mar 2023
99 Bottles of Beer
DialFrost
349
8 Jan 2023
99 Bottles of Beer
retrohun
11,909
27 Dec 2022
99 Bottles of Beer
NoUselessTech
375
21 Dec 2022
99 Bottles of Beer
MeWhenI
322
13 Nov 2022
99 Bottles of Beer
andersk
307
25 Oct 2022
99 Bottles of Beer
Xzyaihni
327
16 Oct 2022
99 Bottles of Beer
ian-h-chamberlain
335
26 Jul 2022
99 Bottles of Beer
iihiro
389
5 Jul 2022
99 Bottles of Beer
KatieLG-Transpiler
12,206
24 Jun 2022
99 Bottles of Beer
gbxdl
382
15 Jun 2022
99 Bottles of Beer
connorslade
440
12 May 2022
99 Bottles of Beer
primo-ppcg
304
2 May 2022
99 Bottles of Beer
JayXon
🥇
259
7 Apr 2022
99 Bottles of Beer
Super-Pizza
🥇
259
7 Apr 2022
99 Bottles of Beer
verticallity
317
6 Apr 2022
99 Bottles of Beer
lynn
🥉
274
5 Apr 2022
99 Bottles of Beer
scpchicken
345
1 Apr 2022
99 Bottles of Beer
JGDoerrer
412
24 Feb 2022
99 Bottles of Beer
Lukas-Fuchs
358
7 Feb 2022
99 Bottles of Beer
ibeucaly
506
5 Feb 2022
99 Bottles of Beer
1337-man
15,789
24 Jan 2022
99 Bottles of Beer
Eolu
329
20 Jan 2022
99 Bottles of Beer
imelinonkaneko
373
8 Dec 2021
99 Bottles of Beer
janbehrens
383
16 Nov 2021
99 Bottles of Beer
Shanethegamer
543
10 Sep 2021
99 Bottles of Beer
coffeenotfound
322
18 Aug 2021
99 Bottles of Beer
kumavale
357
26 May 2021
99 Bottles of Beer
Nexilis
434
16 Jan 2021
99 Bottles of Beer
btjones0
11,905
26 Dec 2020
99 Bottles of Beer
detrumi
355
27 Oct 2020
99 Bottles of Beer
Juici
359
24 Sep 2020
99 Bottles of Beer
WhoisDavid
336
16 Sep 2020
99 Bottles of Beer
Domicnt
523
15 Jun 2020
99 Bottles of Beer
antonymerle
653
22 May 2020
99 Bottles of Beer
nipzu
392
28 Apr 2020
99 Bottles of Beer
sidju
446
17 Feb 2020
99 Bottles of Beer
SirBogman
319
15 Feb 2020
99 Bottles of Beer
SolidTux
545
6 Jan 2020
99 Bottles of Beer
germania
485
6 Jan 2020
99 Bottles of Beer
scottpenn
454
4 Jan 2020
99 Bottles of Beer
timvermeulen
368
4 Jan 2020
99 Bottles of Beer
crsaracco
352
4 Jan 2020