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
Rijndael S-box
ovs-code
135
4 days ago
Rijndael S-box
MostParsingVex
104
21 Oct 2024
Rijndael S-box
emgordon154
215
20 Oct 2024
Rijndael S-box
Mabeloid
241
29 Sep 2024
Rijndael S-box
helbling
242
25 Jul 2024
Rijndael S-box
rifatx
223
16 Jul 2024
Rijndael S-box
madex
207
3 Jul 2024
Rijndael S-box
AdrienHache
💎
77
3 Jun 2024
Rijndael S-box
error256
119
27 May 2024
Rijndael S-box
jtaxen
676
28 Apr 2024
Rijndael S-box
elgan65536
207
7 Apr 2024
Rijndael S-box
dokutan
784
4 Apr 2024
Rijndael S-box
yzhs
260
24 Mar 2024
Rijndael S-box
ridingqwerty
391
21 Feb 2024
Rijndael S-box
CatsAreFluffy
96
16 Feb 2024
Rijndael S-box
mathisfun271
595
16 Feb 2024
Rijndael S-box
logvp
218
1 Feb 2024
Rijndael S-box
roguh
268
23 Jan 2024
Rijndael S-box
weliveinhell
119
16 Jan 2024
Rijndael S-box
SirBogman
116
11 Jan 2024
Rijndael S-box
MarcMush
360
7 Jan 2024
Rijndael S-box
janbehrens
222
30 Dec 2023
Rijndael S-box
c0d3-4-F00d
241
4 Dec 2023
Rijndael S-box
HumanoidCPU
784
16 Nov 2023
Rijndael S-box
kallmi28
258
8 Nov 2023
Rijndael S-box
Yewzir
219
7 Nov 2023
Rijndael S-box
eiburns
285
6 Nov 2023
Rijndael S-box
KasperKivimaeki
227
18 Oct 2023
Rijndael S-box
trinityy-7
237
10 Oct 2023
Rijndael S-box
JohandeRuiter
157
29 Sep 2023
Rijndael S-box
ZakkkkAttackkkk
179
28 Sep 2023
Rijndael S-box
bac0id
238
26 Sep 2023
Rijndael S-box
saito-ta
89
20 Sep 2023
Rijndael S-box
nyoshe
197
19 Sep 2023
Rijndael S-box
Stanbroek
291
18 Sep 2023
Rijndael S-box
Shanethegamer
784
13 Sep 2023
Rijndael S-box
nwellnhof
90
9 Sep 2023
Rijndael S-box
msbranicky
619
8 Sep 2023
Rijndael S-box
jared-hughes
194
7 Sep 2023
Rijndael S-box
Ripick
368
5 Sep 2023
Rijndael S-box
Natanaelel
212
4 Sep 2023
Rijndael S-box
inventshah
92
3 Sep 2023
Rijndael S-box
KatieLG-Transpiler
804
2 Sep 2023
Rijndael S-box
KatieLG
806
2 Sep 2023
Rijndael S-box
Lydxn
🥈
87
2 Sep 2023
Rijndael S-box
annaproxy
270
1 Sep 2023
Rijndael S-box
jacobly0
187
1 Sep 2023
Rijndael S-box
Alex-x90
🥉
88
1 Sep 2023
Rijndael S-box
GolfingSuccess
167
1 Sep 2023
Rijndael S-box
MeWhenI
784
1 Sep 2023