Recent Solutions
Prev Hole
Play Hole
Next Hole
Golfers
Solutions
All Holes
12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
ASCII Table
brainfuck
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)
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
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
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
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 v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Clojure
COBOL
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Ruby
Rust
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++
Clojure
COBOL
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
Julia
K
Lisp
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Ruby
Rust
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Hole
All
12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
ASCII Table
brainfuck
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)
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
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
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
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 v2
Ten-pin Bowling
Time Distance
Tongue-twisters
United States
Vampire Numbers
Van Eck Sequence
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
QR Decoder
bitsandbeyond
199
6 days ago
QR Decoder
DialFrost
242
7 days ago
QR Decoder
5cw
187
9 days ago
QR Decoder
adamnielson42
286
12 days ago
QR Decoder
SirBogman
104
13 days ago
QR Decoder
JDiLenarda
543
16 days ago
QR Decoder
ndren
219
18 days ago
QR Decoder
namelessiw
224
19 days ago
QR Decoder
camieac
403
19 days ago
QR Decoder
DialFrost
🥉
212
20 days ago
QR Decoder
DialFrost
🥈
264
20 days ago
QR Decoder
dokutan
375
21 days ago
QR Decoder
DialFrost
🥈
364
22 days ago
QR Decoder
MeWhenI
🥈
184
23 days ago
QR Decoder
stefangimmillaro
🥈
273
24 days ago
QR Decoder
lyphyser
🥈
90
25 days ago
QR Decoder
cpchrispye
1,504
13 Nov 2023
QR Decoder
raspofabs
319
12 Nov 2023
QR Decoder
m42km
238
12 Nov 2023
QR Decoder
neel11235813
223
8 Nov 2023
QR Decoder
simon-thornton_pace
600
8 Nov 2023
QR Decoder
MeWhenI
💎
270
6 Nov 2023
QR Decoder
HPWiz
🥇
67
5 Nov 2023
QR Decoder
ovs-code
🥇
67
5 Nov 2023
QR Decoder
SirBogman
73
2 Nov 2023
QR Decoder
JayXon
💎
183
2 Nov 2023
QR Decoder
MeWhenI
🥈
1,695
30 Oct 2023
QR Decoder
eiburns
380
27 Oct 2023
QR Decoder
kg583
190
23 Oct 2023
QR Decoder
pardouin
202
22 Oct 2023
QR Decoder
FlorianCassayre
247
21 Oct 2023
QR Decoder
stefangimmillaro
🥉
159
20 Oct 2023
QR Decoder
stefangimmillaro
229
18 Oct 2023
QR Decoder
snoozingnewt
🥈
284
14 Oct 2023
QR Decoder
msbranicky
🥉
361
14 Oct 2023
QR Decoder
scpchicken
229
13 Oct 2023
QR Decoder
MichalMarsalek
🥉
266
12 Oct 2023
QR Decoder
MeWhenI
💎
179
11 Oct 2023
QR Decoder
ovs-code
171
5 Oct 2023
QR Decoder
stefangimmillaro
🥉
227
3 Oct 2023
QR Decoder
stefangimmillaro
231
3 Oct 2023
QR Decoder
stefangimmillaro
182
3 Oct 2023
QR Decoder
commandblockguy
242
27 Sep 2023
QR Decoder
MeWhenI
💎
206
25 Sep 2023
QR Decoder
snoozingnewt
279
23 Sep 2023
QR Decoder
Stanbroek
490
19 Sep 2023
QR Decoder
Stanbroek
490
19 Sep 2023
QR Decoder
annaproxy
🥈
347
18 Sep 2023
QR Decoder
jacobly0
🥈
250
15 Sep 2023
QR Decoder
MeWhenI
🥉
403
11 Sep 2023