Recent Solutions
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
Hilbert Curve
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
Mandelbrot
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
Partition Numbers
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
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
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
Gleam
Go
GolfScript
Groovy
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
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
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
Gleam
Go
GolfScript
Groovy
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
Experimental Language
05AB1E
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
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
Hilbert Curve
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
Mandelbrot
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
Partition Numbers
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
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Lucky Numbers
albanian-laundromat
174
55 mins ago
Repeating Decimals
edsrzf
312
2 days ago
24 Game
kkoenig
12,484
3 days ago
τ
kkoenig
1,054
3 days ago
Kaprekar Numbers
edsrzf
136
3 days ago
Hilbert Curve
kkoenig
5,189
3 days ago
Leap Years
kkoenig
91
3 days ago
𝑒
kkoenig
143
3 days ago
Spelling Numbers
kkoenig
💎
416
3 days ago
Arithmetic Numbers
kkoenig
124
3 days ago
Prime Numbers
kkoenig
94
4 days ago
Prime Numbers (Long)
kkoenig
🥇
95
4 days ago
Abundant Numbers (Long)
kkoenig
113
4 days ago
Tongue-twisters
kkoenig
395
5 days ago
Catalan Numbers
fuzzylojik-golf
133
5 days ago
Christmas Trees
kkoenig
140
6 days ago
Lucky Numbers
kkoenig
201
6 days ago
Kaprekar Numbers
kkoenig
124
6 days ago
Partition Numbers
kkoenig
423
6 days ago
Look and Say
kkoenig
276
6 days ago
Scrambled Sort
kkoenig
341
6 days ago
Leyland Numbers
kkoenig
196
6 days ago
ROT13
kkoenig
147
6 days ago
Poker
edsrzf
🥈
367
6 days ago
DFA Simulator
kkoenig
306
6 days ago
12 Days of Christmas
kkoenig
511
6 days ago
Collatz
GolfingSuccess
🥉
109
7 days ago
Niven Numbers (Long)
kkoenig
🥇
102
7 days ago
Catalan Numbers
kkoenig
🥇
130
7 days ago
Quine
kkoenig
🥇
112
7 days ago
Zodiac Signs
edsrzf
199
7 days ago
Happy Numbers
albanian-laundromat
144
8 days ago
Tutorial
kkoenig
121
8 days ago
Collatz
kmathis22
134
8 days ago
Lucky Numbers
blaztoma
246
8 days ago
Happy Numbers
blaztoma
177
8 days ago
Seven Segment
edsrzf
🥉
161
9 days ago
Hilbert Curve
dbut2
5,165
10 days ago
Happy Numbers
fuzzylojik-golf
110
10 days ago
Game of Life
edsrzf
182
11 days ago
Recamán
edsrzf
🥉
120
11 days ago
ISBN
edsrzf
🥉
151
12 days ago
Hilbert Curve
edsrzf
💎
464
12 days ago
Fibonacci
albanian-laundromat
84
12 days ago
Hilbert Curve
blaztoma
🥈
593
12 days ago
Emirp Numbers
fuzzylojik-golf
129
14 days ago
Hilbert Curve
dokutan
🥉
595
16 days ago
Hilbert Curve
CaedenHarper
5,165
16 days ago
Abundant Numbers (Long)
fuzzylojik-golf
114
17 days ago
Abundant Numbers
fuzzylojik-golf
114
17 days ago
Pangram Grep
edsrzf
🥇
129
17 days ago
Catalan Numbers
targrik
131
17 days ago
Fizz Buzz
targrik
120
17 days ago
Niven Numbers
targrik
88
17 days ago
Inventory Sequence
edsrzf
🥇
106
17 days ago
Fizz Buzz
Upload-and-View
162
19 days ago
ROT13
edsrzf
🥉
130
19 days ago
Arrows
CaedenHarper
307
21 days ago
Fibonacci
GolfingSuccess
🥇
79
22 days ago
Pascal’s Triangle
sean-niemann
112
22 days ago
Pascal’s Triangle
edsrzf
113
22 days ago
Tutorial
Vexxter9
275
23 days ago
Transpose Sentence
edsrzf
167
23 days ago
Fibonacci
Upload-and-View
91
23 days ago
Tic-tac-toe
edsrzf
200
24 days ago
Odious Numbers (Long)
fuzzylojik-golf
🥇
82
25 days ago
Evil Numbers (Long)
fuzzylojik-golf
🥇
82
25 days ago
Odious Numbers
fuzzylojik-golf
🥇
81
25 days ago
Scrambled Sort
JayXon
🥇
218
25 days ago
Scrambled Sort
nwellnhof
🥇
218
25 days ago
λ
gigaprofisi
1,055
26 days ago
Tutorial
matejmatik123
159
26 days ago
Proximity Grid
edsrzf
🥈
237
26 days ago
Roman to Arabic
CaedenHarper
157
27 days ago
Pangram Grep
dokutan
394
27 days ago