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
Emirp Numbers (Long)
823126
128
9 hours ago
Emirp Numbers (Long)
ovs-code
🥈
76
17 days ago
Emirp Numbers (Long)
inventshah
93
30 Oct 2024
Emirp Numbers (Long)
LukeBridges
121
8 Oct 2024
Emirp Numbers (Long)
TheRealOhead
145
7 Oct 2024
Emirp Numbers (Long)
xyangst
101
7 Oct 2024
Emirp Numbers (Long)
vlpx
85
23 Sep 2024
Emirp Numbers (Long)
Mabeloid
1,403
17 Sep 2024
Emirp Numbers (Long)
madeforlosers
107
13 Sep 2024
Emirp Numbers (Long)
stefangimmillaro
124
12 Sep 2024
Emirp Numbers (Long)
Maznek
97
18 Aug 2024
Emirp Numbers (Long)
emgordon154
105
5 Aug 2024
Emirp Numbers (Long)
dokutan
105
3 Aug 2024
Emirp Numbers (Long)
Florian-Mt
121
1 Aug 2024
Emirp Numbers (Long)
bac0id
110
29 Jun 2024
Emirp Numbers (Long)
hacker112
446
19 Jun 2024
Emirp Numbers (Long)
JackieAlacrity2373
635
11 Jun 2024
Emirp Numbers (Long)
thisishowmymindworks
96
10 Jun 2024
Emirp Numbers (Long)
helbling
105
5 May 2024
Emirp Numbers (Long)
HumanoidCPU
138
26 Apr 2024
Emirp Numbers (Long)
sean-niemann
92
27 Mar 2024
Emirp Numbers (Long)
lukegustafson
86
5 Mar 2024
Emirp Numbers (Long)
rucin93
88
13 Feb 2024
Emirp Numbers (Long)
Yewzir
100
12 Feb 2024
Emirp Numbers (Long)
two-bad
101
6 Feb 2024
Emirp Numbers (Long)
dylanarmstrong
103
24 Jan 2024
Emirp Numbers (Long)
weliveinhell
96
15 Jan 2024
Emirp Numbers (Long)
tayloia
92
5 Jan 2024
Emirp Numbers (Long)
efgen
96
28 Dec 2023
Emirp Numbers (Long)
Lydxn
💎
71
22 Dec 2023
Emirp Numbers (Long)
trinityy-7
107
6 Dec 2023
Emirp Numbers (Long)
Argeento
97
1 Nov 2023
Emirp Numbers (Long)
Davr1
103
16 Oct 2023
Emirp Numbers (Long)
coreynash
100
10 Oct 2023
Emirp Numbers (Long)
msbranicky
173
8 Sep 2023
Emirp Numbers (Long)
raszpi
143
3 Sep 2023
Emirp Numbers (Long)
apokryfos
177
19 Aug 2023
Emirp Numbers (Long)
fizhes
124
18 Jun 2023
Emirp Numbers (Long)
zakariamouhid
111
13 Jun 2023
Emirp Numbers (Long)
adamnielson42
129
25 Apr 2023
Emirp Numbers (Long)
Shanethegamer
102
24 Apr 2023
Emirp Numbers (Long)
nwellnhof
79
14 Mar 2023
Emirp Numbers (Long)
voytxt
101
1 Mar 2023
Emirp Numbers (Long)
amiralitaheri
108
23 Feb 2023
Emirp Numbers (Long)
varhammer
218
2 Jan 2023
Emirp Numbers (Long)
randolchance
105
1 Jan 2023
Emirp Numbers (Long)
ptforness
184
31 Dec 2022
Emirp Numbers (Long)
retrohun
1,403
27 Dec 2022
Emirp Numbers (Long)
biocommando
103
26 Dec 2022
Emirp Numbers (Long)
FrederikHutfless
144
22 Dec 2022
Emirp Numbers (Long)
CatsAreFluffy
101
28 Nov 2022
Emirp Numbers (Long)
GeorgeStechman
116
20 Nov 2022
Emirp Numbers (Long)
raphaelimahorn
136
17 Nov 2022
Emirp Numbers (Long)
steveAllen0112
151
12 Nov 2022
Emirp Numbers (Long)
mobibluman
119
11 Nov 2022
Emirp Numbers (Long)
janbehrens
85
9 Nov 2022
Emirp Numbers (Long)
jessegyger
168
7 Nov 2022
Emirp Numbers (Long)
emplv
84
6 Nov 2022
Emirp Numbers (Long)
JayXon
🥉
78
6 Nov 2022
Emirp Numbers (Long)
primo-ppcg
🥉
78
6 Nov 2022
Emirp Numbers (Long)
MeWhenI
82
6 Nov 2022
Emirp Numbers (Long)
dmrichwa
84
5 Nov 2022
Emirp Numbers (Long)
Ripick
152
3 Nov 2022
Emirp Numbers (Long)
BambooleanLogic
120
1 Nov 2022
Emirp Numbers (Long)
Steffan153
89
1 Nov 2022
Emirp Numbers (Long)
didion0
107
31 Oct 2022
Emirp Numbers (Long)
prplz
94
31 Oct 2022
Emirp Numbers (Long)
Irratix
88
30 Oct 2022
Emirp Numbers (Long)
eranws
155
30 Oct 2022
Emirp Numbers (Long)
KrausRaus
97
29 Oct 2022
Emirp Numbers (Long)
FlorianCassayre
99
29 Oct 2022
Emirp Numbers (Long)
KatieLG
119
29 Oct 2022
Emirp Numbers (Long)
KatieLG-Transpiler
1,165
29 Oct 2022
Emirp Numbers (Long)
jared-hughes
98
29 Oct 2022