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
Emirp Numbers
acotis
149
19 Oct 2024
Emirp Numbers
KatieLG
191
29 Sep 2024
Emirp Numbers
Mabeloid
156
17 Sep 2024
Emirp Numbers
Shanethegamer
156
29 Aug 2024
Emirp Numbers
Florian-Mt
180
12 Jul 2024
Emirp Numbers
lynn
🥈
102
7 Jul 2024
Emirp Numbers
Aurel300
157
3 Jun 2024
Emirp Numbers
stefangimmillaro
103
24 May 2024
Emirp Numbers
HumanoidCPU
156
5 May 2024
Emirp Numbers
dokutan
118
14 Apr 2024
Emirp Numbers
Yewzir
159
27 Mar 2024
Emirp Numbers
WatMan77
295
24 Mar 2024
Emirp Numbers
CarsonChr
187
15 Jan 2024
Emirp Numbers
okaponta
222
11 Jan 2024
Emirp Numbers
msbranicky
138
1 Oct 2023
Emirp Numbers
elgan65536
139
29 Sep 2023
Emirp Numbers
StHagel
200
24 Aug 2023
Emirp Numbers
Re-Adventures
143
18 Aug 2023
Emirp Numbers
detrumi
130
26 Apr 2023
Emirp Numbers
klixel
156
15 Apr 2023
Emirp Numbers
diego-est
211
10 Mar 2023
Emirp Numbers
Z-snails
185
1 Mar 2023
Emirp Numbers
Steffan153
103
28 Jan 2023
Emirp Numbers
scpchicken
146
23 Jan 2023
Emirp Numbers
Domicnt
207
4 Jan 2023
Emirp Numbers
retrohun
156
27 Dec 2022
Emirp Numbers
MeWhenI
144
13 Nov 2022
Emirp Numbers
Starwort
184
11 Nov 2022
Emirp Numbers
andersk
104
8 Nov 2022
Emirp Numbers
KatieLG-Transpiler
194
24 Jun 2022
Emirp Numbers
primo-ppcg
115
2 May 2022
Emirp Numbers
prplz
117
30 Apr 2022
Emirp Numbers
SpareManiKatti
156
19 Apr 2022
Emirp Numbers
verticallity
109
7 Apr 2022
Emirp Numbers
Lydxn
🥈
102
26 Mar 2022
Emirp Numbers
JGDoerrer
147
29 Jan 2022
Emirp Numbers
1337-man
166
24 Jan 2022
Emirp Numbers
JayXon
💎
101
14 Jan 2022
Emirp Numbers
aazuspan
204
2 Dec 2021
Emirp Numbers
mokymok
193
8 Nov 2021
Emirp Numbers
anna099
285
22 Jul 2021
Emirp Numbers
kumavale
155
25 Apr 2021
Emirp Numbers
zeerooth
193
4 Feb 2021
Emirp Numbers
btjones0
131
28 Dec 2020
Emirp Numbers
WhoisDavid
143
14 Sep 2020
Emirp Numbers
antonymerle
374
21 May 2020
Emirp Numbers
frozolotl
141
8 Jan 2020
Emirp Numbers
ian-h-chamberlain
157
4 Jan 2020
Emirp Numbers
Skepfyr
171
4 Jan 2020
Emirp Numbers
timvermeulen
156
4 Jan 2020