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 GPT
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 Colors (Inverse)
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
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 GPT
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 Colors (Inverse)
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
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Chars
Submitted
24 Game
emplv
🥈
129
116 mins ago
Tongue-twisters
Mukundan314
193
5 hours ago
Sphenic Numbers
Shanethegamer
82
12 hours ago
Proximity Grid
sean-niemann
🥇
106
14 hours ago
Foo Fizz Buzz Bar
jake6192
89
15 hours ago
24 Game
sean-niemann
💎
128
17 hours ago
Fizz Buzz
Pyroan
67
18 hours ago
Ordinal Numbers
jake6192
84
18 hours ago
Transpose Sentence
jake6192
90
19 hours ago
Fractions
a6166231
86
27 hours ago
Fractions
jake6192
97
28 hours ago
Forsyth–Edwards Notation
a6166231
162
28 hours ago
Fibonacci
ToE42
43
28 hours ago
Fizz Buzz
a6166231
58
32 hours ago
Divisors
jake6192
66
34 hours ago
Niven Numbers
jake6192
64
35 hours ago
Abundant Numbers
jake6192
89
35 hours ago
Quine
fuzzylojik-golf
🥇
25
41 hours ago
Abundant Numbers (Long)
cloudyshoe
66
43 hours ago
Abundant Numbers
cloudyshoe
64
44 hours ago
99 Bottles of Beer
cloudyshoe
246
44 hours ago
12 Days of Christmas
cloudyshoe
462
2 days ago
Tutorial
cloudyshoe
68
2 days ago
Collatz
a6166231
60
2 days ago
Fibonacci
a6166231
39
2 days ago
Christmas Trees
a6166231
94
2 days ago
Catalan Numbers
fuzzylojik-golf
🥇
41
2 days ago
Factorial Factorisation
a6166231
200
2 days ago
Niven Numbers (Long)
fuzzylojik-golf
52
2 days ago
Evil Numbers
a6166231
58
2 days ago
Niven Numbers
fuzzylojik-golf
🥇
42
2 days ago
Semiprime Numbers
Shanethegamer
65
2 days ago
Semiprime Numbers
sean-niemann
63
2 days ago
√2
Sam-Vrgl
119
2 days ago
Emojify
a6166231
156
2 days ago
Tutorial
c-py
61
3 days ago
Card Number Validation
SteRoy
85
3 days ago
Leyland Numbers
targrik
88
3 days ago
Recamán
smclaughlin-cf
64
3 days ago
π
Sam-Vrgl
87
3 days ago
Tutorial
Sam-Vrgl
61
3 days ago
Arabic to Roman
Sam-Vrgl
111
3 days ago
Abundant Numbers
a6166231
61
4 days ago
Divisors
a6166231
63
4 days ago
Game of Life
targrik
144
4 days ago
Collatz
helbling
🥇
55
4 days ago
Minesweeper
Shanethegamer
118
4 days ago
Niven Numbers
jakobwitte
🥇
42
4 days ago
Emirp Numbers
targrik
113
4 days ago
Emirp Numbers (Long)
targrik
113
4 days ago
π
MyXoToD
115
5 days ago
Collatz
Palladium02
63
5 days ago
CSS Colors
a6166231
2,586
5 days ago
Emojify
attila8192
187
5 days ago
Evil Numbers (Long)
gwhiteheadfayar
65
5 days ago
Pangram Grep
albanian-laundromat
116
6 days ago
Arithmetic Numbers
attila8192
61
6 days ago
Highly Composite Numbers
targrik
196
6 days ago
𝑒
emgordon154
55
6 days ago
Gray Code Decoder
edsrzf
57
6 days ago
Evil Numbers
sylvrs
57
6 days ago
Divisors
sylvrs
77
6 days ago
Card Number Validation
edsrzf
77
7 days ago
Star Wars GPT
pardouin
120
7 days ago
π
gwhiteheadfayar
115
7 days ago
Partition Numbers
unfinishedprogram
130
7 days ago
Niven Numbers (Long)
jakobwitte
106
8 days ago
Tutorial
FenrisuIven
79
8 days ago
Factorial Factorisation
HumanoidCPU
110
8 days ago
Look and Say
MyXoToD
149
8 days ago
Emirp Numbers (Long)
MyXoToD
174
8 days ago
Gray Code Decoder
emgordon154
60
8 days ago
Star Wars GPT
helbling
126
8 days ago
Gray Code Decoder
Natanaelel
55
8 days ago
Star Wars GPT
zakariamouhid
158
8 days ago