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
Prime Numbers
luca1339
143
11 days ago
Prime Numbers
edsrzf
113
2 Nov 2024
Prime Numbers
Mabeloid
167
4 Oct 2024
Prime Numbers
Liibe
132
11 Sep 2024
Prime Numbers
Maximizer02
143
11 Sep 2024
Prime Numbers
mathislife22
151
29 Aug 2024
Prime Numbers
Ythaenagor
147
5 Aug 2024
Prime Numbers
CarsonChr
124
26 Jul 2024
Prime Numbers
rifatx
142
16 Jul 2024
Prime Numbers
Florian-Mt
136
14 Jul 2024
Prime Numbers
GWStuart
130
1 Jul 2024
Prime Numbers
Lou1013
179
7 Jun 2024
Prime Numbers
jonahwdean
144
28 May 2024
Prime Numbers
h3ra993huskp
118
2 May 2024
Prime Numbers
elgan65536
134
6 Apr 2024
Prime Numbers
HumanoidCPU
130
1 Apr 2024
Prime Numbers
sultan
114
27 Mar 2024
Prime Numbers
deancureton
134
24 Mar 2024
Prime Numbers
dokutan
126
12 Mar 2024
Prime Numbers
helbling
111
11 Mar 2024
Prime Numbers
schaene
134
7 Mar 2024
Prime Numbers
Jacob385
113
22 Feb 2024
Prime Numbers
maximilliandeval
415
21 Feb 2024
Prime Numbers
0dyse
188
13 Feb 2024
Prime Numbers
voytxt
305
27 Jan 2024
Prime Numbers
lordsnek
131
26 Jan 2024
Prime Numbers
rollershutter
135
25 Jan 2024
Prime Numbers
msbranicky
134
9 Jan 2024
Prime Numbers
madeforlosers
114
5 Jan 2024
Prime Numbers
SirBogman
113
3 Jan 2024
Prime Numbers
yuchuehw
205
2 Jan 2024
Prime Numbers
LyonsWasTaken
145
6 Dec 2023
Prime Numbers
Betuaredead
113
14 Nov 2023
Prime Numbers
MiranDaniel
225
31 Oct 2023
Prime Numbers
Yewzir
113
27 Oct 2023
Prime Numbers
willpiam
152
20 Oct 2023
Prime Numbers
squid233
130
3 Oct 2023
Prime Numbers
bac0id
127
26 Sep 2023
Prime Numbers
jonah1068
171
15 Sep 2023
Prime Numbers
crizin
180
9 Sep 2023
Prime Numbers
mmorgan304
272
12 Aug 2023
Prime Numbers
Pyro569
143
20 Jul 2023
Prime Numbers
Widgitty
108
18 Jul 2023
Prime Numbers
Intevel
157
3 Jul 2023
Prime Numbers
xNaCly
137
3 Jul 2023
Prime Numbers
Schmitt-Very-Cool
140
28 Jun 2023
Prime Numbers
lukashert
146
7 Jun 2023
Prime Numbers
yoshykai
143
31 May 2023
Prime Numbers
atazzam
177
20 May 2023
Prime Numbers
mjdargen
202
3 May 2023
Prime Numbers
ferociouswonderfulgrasseater
168
13 Mar 2023
Prime Numbers
Steffan153
108
21 Feb 2023
Prime Numbers
Geird
171
20 Feb 2023
Prime Numbers
piano-miles
117
7 Feb 2023
Prime Numbers
MaxElf999
142
5 Feb 2023
Prime Numbers
Looney32768
110
27 Jan 2023
Prime Numbers
DialFrost
108
5 Jan 2023
Prime Numbers
captainsauerland
238
4 Jan 2023
Prime Numbers
retrohun
167
28 Dec 2022
Prime Numbers
astdefu
133
13 Dec 2022
Prime Numbers
ze-h
173
4 Dec 2022
Prime Numbers
aDwarfNamedUrist
150
27 Nov 2022
Prime Numbers
stefangimmillaro
108
15 Nov 2022
Prime Numbers
mathb0y512
122
14 Nov 2022
Prime Numbers
ToxicP1e
156
8 Nov 2022
Prime Numbers
BrainwashAlpha
549
1 Nov 2022
Prime Numbers
LeftPathLane
140
31 Oct 2022
Prime Numbers
Modular-Holmes
142
24 Oct 2022
Prime Numbers
FlorianCassayre
117
28 Sep 2022
Prime Numbers
kanjurer
186
26 Sep 2022
Prime Numbers
nathan-maclinovsky
204
16 Sep 2022
Prime Numbers
Leftykap
117
14 Sep 2022
Prime Numbers
eshilo-draper
147
4 Sep 2022
Prime Numbers
Antonio-Vel
122
20 Aug 2022
Prime Numbers
konst-aa
123
11 Aug 2022