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
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
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
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
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
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
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
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Snake
Sphenic Numbers
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Chars
Submitted
Scrambled Sort
canissimia
🦄
71
14 hours ago
Quine
fuzzylojik-golf
65
2 days ago
π
JOrE-Softwares
1,007
3 days ago
Polygon Triangulations
Shanethegamer
4,507
3 days ago
λ
heanyang1
1,003
9 days ago
Fibonacci
plcc0
146
15 days ago
SI Units
edsrzf
💎
690
20 days ago
Forsyth–Edwards Notation
edsrzf
112
20 days ago
Happy Numbers
sean-niemann
99
9 May 2025
Niven Numbers
sean-niemann
88
9 May 2025
Gray Code Encoder
saito-ta
128
8 May 2025
Inventory Sequence
MeWhenI
2,016
5 May 2025
Star Wars GPT
saito-ta
💎
156
1 May 2025
Star Wars GPT
MeWhenI
🥈
221
29 Apr 2025
Kaprekar Numbers
MeWhenI
445
29 Apr 2025
Tutorial
dokutan
44
28 Apr 2025
Trinomial Triangle
KatieLG
2,086
27 Apr 2025
Sphenic Numbers
KatieLG
10,659
27 Apr 2025
Semiprime Numbers
KatieLG
15,413
27 Apr 2025
Odd Polyomino Tiling
KatieLG
27,493
27 Apr 2025
Minesweeper
KatieLG
25,299
27 Apr 2025
Mandelbrot
KatieLG
3,402
27 Apr 2025
Hilbert Curve
KatieLG
2,079
27 Apr 2025
Highly Composite Numbers
KatieLG
452
27 Apr 2025
Hexagonal Spiral
KatieLG
1,570
27 Apr 2025
Floyd-Steinberg Dithering
KatieLG
66,984
27 Apr 2025
Flags
KatieLG
6,642
27 Apr 2025
Hilbert Curve
saito-ta
273
26 Apr 2025
Tic-tac-toe
KatieLG
29,761
25 Apr 2025
Mandelbrot
Shanethegamer
3,402
20 Apr 2025
Hilbert Curve
Shanethegamer
2,079
20 Apr 2025
Tutorial
CaedenHarper
44
18 Apr 2025
Tutorial
HumanoidCPU
44
18 Apr 2025
Tutorial
pardouin
44
17 Apr 2025
Tutorial
Shanethegamer
44
17 Apr 2025
Tutorial
DialFrost
44
17 Apr 2025
Tutorial
MeWhenI
44
17 Apr 2025
Tutorial
error256
44
17 Apr 2025
Ten-pin Bowling
MeWhenI
🥈
161
15 Apr 2025
Hilbert Curve
dokutan
571
13 Apr 2025
United States
commandblockguy
82
13 Apr 2025
Tutorial
retrohun
36
31 Mar 2025
Set
saito-ta
🦄
124
31 Mar 2025
Tongue-twisters
dokutan
339
28 Mar 2025
Abundant Numbers
sean-niemann
143
18 Mar 2025
Rijndael S-box
sean-niemann
🥈
541
18 Mar 2025
Tutorial
edsrzf
67
14 Mar 2025
ROT13
edsrzf
108
14 Mar 2025
Musical Chords
saito-ta
💎
123
14 Mar 2025
Fibonacci
edsrzf
164
14 Mar 2025
Poker
saito-ta
🥈
290
14 Mar 2025
π
Mabeloid
1,004
14 Mar 2025
γ
JunkIce
1,003
13 Mar 2025
Inventory Sequence
dokutan
1,438
13 Mar 2025
Poker
canissimia
💎
280
13 Mar 2025
12 Days of Christmas
MeWhenI
🥉
446
13 Mar 2025
PalindromemordnilaP
retrohun
50
9 Mar 2025
Partition Numbers
saito-ta
💎
263
8 Mar 2025
Partition Numbers
KatieLG
746
6 Mar 2025
𝑒
gigaprofisi
1,004
6 Mar 2025
Semiprime Numbers
HumanoidCPU
15,413
4 Mar 2025
Fizz Buzz
dokutan
227
3 Mar 2025
Tutorial
gigaprofisi
330
3 Mar 2025
Partition Numbers
dokutan
🥈
623
2 Mar 2025
Cubes
MeWhenI
173
1 Mar 2025
Partition Numbers
MeWhenI
🥈
623
1 Mar 2025
99 Bottles of Beer
MeWhenI
293
28 Feb 2025
Partition Numbers
retrohun
659
28 Feb 2025
Abundant Numbers (Long)
dokutan
771
27 Feb 2025
12 Days of Christmas
dokutan
539
27 Feb 2025
Pascal’s Triangle
dokutan
639
27 Feb 2025
Niven Numbers (Long)
MeWhenI
6,149
26 Feb 2025
Niven Numbers
MeWhenI
🥉
84
26 Feb 2025
Christmas Trees
MeWhenI
239
26 Feb 2025
Tic-tac-toe
sean-niemann
🥉
46
17 Feb 2025