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
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
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
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
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 Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Mandelbrot
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Snake
Sphenic Numbers
Star Wars GPT
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
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
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
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
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
Groovy
Harbour
Hare
Haxe
Hush
Hy
iogii
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
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
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
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
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
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 Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Hilbert Curve
Mandelbrot
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Snake
Sphenic Numbers
Star Wars GPT
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Chars
Submitted
Mandelbrot
kg583
82
28 hours ago
Tutorial
emgordon154
53
29 hours ago
Mandelbrot
emgordon154
97
29 hours ago
Maze
dokutan
143
33 hours ago
24 Game
dokutan
195
33 hours ago
Kolakoski Sequence
emgordon154
53
35 hours ago
24 Game
emgordon154
145
35 hours ago
Forsyth–Edwards Notation
emgordon154
90
35 hours ago
Sudoku
emgordon154
252
36 hours ago
brainfuck
m-tkach
165
39 hours ago
Tutorial
m-tkach
53
39 hours ago
Levenshtein Distance
emgordon154
105
2 days ago
Medal Tally
emgordon154
93
2 days ago
Billiards
emgordon154
105
2 days ago
Set
m-tkach
122
3 days ago
United States
emgordon154
113
3 days ago
QR Decoder
dokutan
148
4 days ago
Mahjong
dokutan
196
4 days ago
Lucky Numbers
dokutan
65
4 days ago
Look and Say
dokutan
84
4 days ago
Partition Numbers
dokutan
67
4 days ago
Prime Numbers (Long)
emgordon154
43
5 days ago
Kaprekar Numbers
KatieLG
248
5 days ago
Tic-tac-toe
KatieLG
130
5 days ago
Polyominoes
KatieLG
1,037
5 days ago
Star Wars GPT
GolfingSuccess
82
5 days ago
Star Wars GPT
pardouin
82
6 days ago
Zodiac Signs
emgordon154
156
6 days ago
Farey Sequence
emgordon154
59
6 days ago
Fibonacci
emgordon154
36
6 days ago
Star Wars GPT
kg583
113
6 days ago
Star Wars GPT
Shanethegamer
130
6 days ago
Star Wars GPT
ovs-code
113
6 days ago
Polyominoes
dokutan
462
6 days ago
Game of Life
dokutan
141
6 days ago
Forsyth–Edwards Notation
dokutan
122
6 days ago
99 Bottles of Beer
dokutan
151
6 days ago
Pascal’s Triangle
HPWiz
49
6 days ago
Tutorial
HumanoidCPU
53
6 days ago
Mandelbrot
Shanethegamer
3,374
7 days ago
Hilbert Curve
Shanethegamer
2,060
7 days ago
Tutorial
sean-niemann
53
7 days ago
Tutorial
DialFrost
53
7 days ago
Tutorial
pardouin
53
7 days ago
Tutorial
Shanethegamer
53
7 days ago
Tutorial
zacjl
53
7 days ago
Tutorial
MeWhenI
55
7 days ago
Leap Years
albanian-laundromat
50
7 days ago
Billiards
MeWhenI
168
8 days ago
Happy Numbers (Long)
emgordon154
62
9 days ago
Lucky Tickets
MeWhenI
89
9 days ago
Ten-pin Bowling
MeWhenI
133
9 days ago
Quine
emgordon154
30
11 days ago
12 Days of Christmas
emgordon154
203
11 days ago
N Queens
emgordon154
101
11 days ago
λ
emgordon154
124
11 days ago
Emojify
emgordon154
89
11 days ago
Star Wars Opening Crawl
emgordon154
157
11 days ago
Seven Segment
emgordon154
89
11 days ago
Abundant Numbers
emgordon154
54
11 days ago
Rijndael S-box
emgordon154
120
11 days ago
Jacobi Symbol
emgordon154
91
11 days ago
Happy Numbers
emgordon154
51
11 days ago
Pernicious Numbers (Long)
emgordon154
50
11 days ago
Pangram Grep
emgordon154
59
11 days ago
Divisors
emgordon154
🥈
46
11 days ago
Niven Numbers (Long)
emgordon154
51
11 days ago
Hexdump
emgordon154
89
11 days ago
Spelling Numbers
emgordon154
🥇
64
12 days ago
Arithmetic Numbers
emgordon154
63
12 days ago
Ordinal Numbers
emgordon154
🥇
60
12 days ago
United States
commandblockguy
127
12 days ago
Hilbert Curve
HumanoidCPU
2,060
12 days ago
Abundant Numbers (Long)
emgordon154
55
12 days ago
Smith Numbers
emgordon154
85
12 days ago