Recent Solutions
Achievements
Cheevos
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
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
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
ALGOL 68
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
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
Tower of Hanoi
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Alphabetic Numbers
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
τ
Steffan153
44
1,480ms
46 mins ago
π
Steffan153
43
2,729ms
61 mins ago
Zodiac Signs
anter69
91
65ms
6 hours ago
Pernicious Numbers
GolfingSuccess
29
39ms
11 hours ago
Happy Numbers
dokutan
57
34ms
15 hours ago
99 Bottles of Beer
Natanaelel
217
32ms
15 hours ago
24 Game
Natanaelel
192
3,159ms
15 hours ago
Pernicious Numbers (Long)
Steffan153
🥈
43
55ms
32 hours ago
Emojify
anter69
90
37ms
34 hours ago
Fibonacci
raphaelimahorn
32
33ms
42 hours ago
Proximity Grid
Steffan153
💎
68
70ms
47 hours ago
United States
Natanaelel
126
36ms
2 days ago
Kolakoski Sequence
blaztoma
46
45ms
2 days ago
Catalan’s Constant
Natanaelel
70
4,292ms
2 days ago
Reversi
blaztoma
100
41ms
2 days ago
Collatz
blaztoma
51
40ms
2 days ago
Zeckendorf Representation
blaztoma
79
35ms
2 days ago
Rule 110
Steffan153
🥇
56
36ms
2 days ago
Arrows
anter69
68
44ms
3 days ago
brainfuck
Steffan153
🥈
74
75ms
3 days ago
Tic-tac-toe
snoozingnewt
71
37ms
3 days ago
Tic-tac-toe
blaztoma
🥇
52
37ms
3 days ago
Diamonds
error256
71
38ms
3 days ago
Arrows
Steffan153
🥈
62
46ms
3 days ago
Card Number Validation
denkyuu1
97
37ms
3 days ago
12 Days of Christmas
JayXon
🥇
187
36ms
3 days ago
99 Bottles of Beer
JayXon
💎
120
38ms
3 days ago
Zodiac Signs
JayXon
💎
77
38ms
3 days ago
Medal Tally
JayXon
💎
66
39ms
3 days ago
Continued Fractions
sean-niemann
71
37ms
4 days ago
Medal Tally
Steffan153
🥈
67
63ms
4 days ago
Continued Fractions
denkyuu1
88
36ms
4 days ago
Rijndael S-box
denkyuu1
453
34ms
4 days ago
Diamonds
denkyuu1
116
34ms
4 days ago
Rijndael S-box
JayXon
💎
77
68ms
4 days ago
Fizz Buzz
denkyuu1
69
34ms
4 days ago
Scrambled Sort
Steffan153
🥉
53
57ms
4 days ago
Zeckendorf Representation
Steffan153
🥇
62
65ms
5 days ago
Roman to Arabic
Steffan153
🥉
55
74ms
5 days ago
ASCII Table
Steffan153
65
61ms
5 days ago
γ
Natanaelel
155
65ms
5 days ago
Tower of Hanoi
fuzzylojik-golf
54
35ms
6 days ago
SI Units
Steffan153
💎
177
38ms
6 days ago
12 Days of Christmas
Steffan153
🥇
187
60ms
6 days ago
99 Bottles of Beer
Steffan153
🥈
121
38ms
6 days ago
Gijswijt’s Sequence
Natanaelel
80
2,951ms
6 days ago
Spelling Numbers
Steffan153
149
72ms
6 days ago
Christmas Trees
blaztoma
57
33ms
6 days ago
Gijswijt’s Sequence
Steffan153
55
3,406ms
6 days ago
Tongue-twisters
Steffan153
169
35ms
6 days ago
Ten-pin Bowling
Steffan153
🥉
70
62ms
6 days ago
Vampire Numbers
Steffan153
83
1,477ms
6 days ago
Tic-tac-toe
Steffan153
54
67ms
6 days ago
Set
Steffan153
🥇
62
98ms
6 days ago
Multitap Input
Steffan153
🥈
59
69ms
6 days ago
Maze
Steffan153
🥈
70
85ms
6 days ago
Calendar
Steffan153
💎
93
70ms
6 days ago
Billiards
Steffan153
🥈
82
64ms
6 days ago
Card Number Validation
Steffan153
🥉
53
63ms
6 days ago
Time Distance
Steffan153
🥇
113
70ms
6 days ago
Pernicious Numbers
Steffan153
🥇
28
35ms
6 days ago
Evil Numbers
Steffan153
🥇
26
35ms
6 days ago
Odious Numbers
Steffan153
🥇
26
35ms
6 days ago
Star Wars Opening Crawl
Steffan153
🥉
111
68ms
6 days ago
QR Decoder
Steffan153
88
34ms
6 days ago
Farey Sequence
Steffan153
47
35ms
6 days ago
Poker
Steffan153
🥉
129
76ms
6 days ago
Leyland Numbers
Steffan153
53
42ms
6 days ago
Seven Segment
Steffan153
🥉
70
62ms
7 days ago
Niven Numbers
Steffan153
🥇
29
36ms
7 days ago
N Queens
Steffan153
🥉
70
151ms
7 days ago
Kaprekar Numbers
Steffan153
🥈
55
2,860ms
7 days ago
Hilbert Curve
Steffan153
🥉
148
38ms
7 days ago
Intersection
Steffan153
🥇
60
69ms
7 days ago
Alphabetic Numbers
Natanaelel
294
186ms
7 days ago
Hexdump
denkyuu1
138
44ms
7 days ago
Kaprekar Numbers
denkyuu1
346
38ms
7 days ago
Rule 110
denkyuu1
92
47ms
8 days ago
Emojify
Steffan153
71
34ms
8 days ago
Musical Chords
Steffan153
🥉
75
64ms
8 days ago