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
Bytes
Submitted
Evil Numbers
Salutations45
237
11 days ago
Evil Numbers
madeforlosers
278
26 days ago
Evil Numbers
Mabeloid
2,179
17 Sep 2024
Evil Numbers
Mathrew2012
504
14 Aug 2024
Evil Numbers
HumanoidCPU
236
3 May 2024
Evil Numbers
Stockoh
252
26 Apr 2024
Evil Numbers
Jacob385
549
26 Mar 2024
Evil Numbers
elgan65536
235
3 Mar 2024
Evil Numbers
olleicua
254
13 Feb 2024
Evil Numbers
angel-p57
🥉
174
16 Nov 2023
Evil Numbers
dokutan
227
22 Oct 2023
Evil Numbers
snoozingnewt
236
30 Sep 2023
Evil Numbers
msbranicky
255
7 Aug 2023
Evil Numbers
Schmitt-Very-Cool
700
31 Jul 2023
Evil Numbers
Legiatron
278
28 Apr 2023
Evil Numbers
Just4FunCoder
241
24 Mar 2023
Evil Numbers
jmerle
243
13 Feb 2023
Evil Numbers
anter69
236
30 Jan 2023
Evil Numbers
retrohun
263
1 Jan 2023
Evil Numbers
bricknellj
227
22 Nov 2022
Evil Numbers
KatieLG
388
29 Oct 2022
Evil Numbers
KatieLG-Transpiler
388
24 Jun 2022
Evil Numbers
MichalMarsalek
238
5 Jun 2022
Evil Numbers
sisyphus-ppcg
274
15 Mar 2022
Evil Numbers
voytxt
966
9 Feb 2022
Evil Numbers
tomtheisen
240
27 Oct 2021
Evil Numbers
mokymok
259
18 Oct 2021
Evil Numbers
stefangimmillaro
232
13 Oct 2021
Evil Numbers
Jonatan6
2,700
29 Aug 2021
Evil Numbers
MeWhenI
259
8 Aug 2021
Evil Numbers
canissimia
💎
131
10 Jul 2021
Evil Numbers
mrmena
1,817
13 Jun 2021
Evil Numbers
aaronze
988
30 Apr 2021
Evil Numbers
GrayJoKing
🥈
148
3 Apr 2021
Evil Numbers
Bejofo
700
19 Feb 2021
Evil Numbers
SnapDragon64
217
4 Feb 2021
Evil Numbers
galloj
274
10 Jan 2021
Evil Numbers
rak1507
236
31 Dec 2020
Evil Numbers
xkacer
2,179
22 Nov 2020
Evil Numbers
AkashTandon167
274
15 Nov 2020
Evil Numbers
Waffle3z
252
18 Oct 2020
Evil Numbers
thisishowmymindworks
272
25 Jul 2020
Evil Numbers
orthoplex
221
17 Jun 2020
Evil Numbers
abailey2020
241
16 Apr 2020
Evil Numbers
vonKrafft
328
25 Mar 2020
Evil Numbers
ElelockSystems
700
17 Dec 2019
Evil Numbers
nonplated
263
29 Jul 2019
Evil Numbers
primo-ppcg
201
19 Apr 2019
Evil Numbers
prplz
204
15 Apr 2019
Evil Numbers
cafehaine
292
7 Apr 2019