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
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
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
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
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
><>
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
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Luau
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
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
ALGOL 68
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
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
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
Apéry’s Constant
Binary Lambda Calculus
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
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
Bytes
Time
Submitted
Connect Four
tomh1012
423
1,592ms
4 mins ago
Taxicab Numbers
tomh1012
187
1,145ms
2 hours ago
Medal Tally
bilal2709
251
419ms
4 hours ago
Gray Code Decoder
GolfingSuccess
69
394ms
17 hours ago
Diamonds
mwarvik
1,121
330ms
20 hours ago
Tongue-twisters
arcpolaris
519
313ms
21 hours ago
Kaprekar Numbers
KatieLG
98
1,358ms
31 hours ago
Arrows
arcpolaris
233
441ms
39 hours ago
Transpose Sentence
codewrite
155
436ms
42 hours ago
Diamonds
amazingalek
1,121
362ms
42 hours ago
Gijswijt’s Sequence
amazingalek
2,018
360ms
42 hours ago
Continued Fractions
Yax42
157
505ms
46 hours ago
Hilbert Curve
namelessiw
339
443ms
46 hours ago
Emojify
arcpolaris
237
540ms
46 hours ago
Collatz
arcpolaris
🥉
83
426ms
47 hours ago
Multitap Input
tomh1012
153
413ms
47 hours ago
Ellipse Perimeters
Yax42
127
417ms
2 days ago
Tutorial
tomh1012
76
512ms
2 days ago
DFA Simulator
namelessiw
186
498ms
2 days ago
Number Spiral
Yax42
134
480ms
2 days ago
λ
namelessiw
🥉
251
698ms
2 days ago
ROT13
arcpolaris
112
456ms
2 days ago
CSS Colors (Inverse)
arcpolaris
341
453ms
2 days ago
DFA Simulator
arcpolaris
409
501ms
2 days ago
Topological Sort
codewrite
634
412ms
2 days ago
Tower of Hanoi
amazingalek
3,595
368ms
2 days ago
Time Distance
tomh1012
298
420ms
2 days ago
Diamonds
tomh1012
179
377ms
2 days ago
24 Game
tomh1012
702
434ms
2 days ago
Intersection
tomh1012
244
391ms
2 days ago
Zeckendorf Representation
tomh1012
217
394ms
3 days ago
Musical Chords
HumanoidCPU
442
390ms
3 days ago
Multitap Input
Yax42
139
409ms
3 days ago
Arabic to Roman
qrakhen
232
400ms
3 days ago
Abundant Numbers
qrakhen
95
387ms
3 days ago
Look and Say
amazingalek
142
427ms
3 days ago
Van Eck Sequence
codewrite
196
383ms
3 days ago
Forsyth–Edwards Notation
amazingalek
207
374ms
3 days ago
Niven Numbers
codewrite
61
350ms
3 days ago
Zodiac Signs
dokutan
471
438ms
4 days ago
Abundant Numbers (Long)
Shanethegamer
85
370ms
4 days ago
Abundant Numbers
Shanethegamer
85
335ms
4 days ago
CSS Colors
arcpolaris
234
421ms
4 days ago
Odious Numbers
mwarvik
64
351ms
4 days ago
Odious Numbers (Long)
mwarvik
65
377ms
4 days ago
Evil Numbers (Long)
mwarvik
66
373ms
4 days ago
Evil Numbers
mwarvik
65
358ms
4 days ago
Odious Numbers
amazingalek
64
358ms
4 days ago
Odious Numbers (Long)
amazingalek
65
358ms
4 days ago
Evil Numbers (Long)
amazingalek
66
381ms
4 days ago
Emirp Numbers (Long)
amazingalek
150
424ms
4 days ago
Tower of Hanoi
mwarvik
3,595
371ms
4 days ago
Emirp Numbers (Long)
mwarvik
154
389ms
5 days ago
Tongue-twisters
sean-niemann
🥉
291
385ms
5 days ago
Rijndael S-box
Stockoh
804
402ms
5 days ago
Intersection
arcpolaris
207
419ms
5 days ago
Sudoku (Fill-in)
tomh1012
387
468ms
5 days ago
brainfuck
codewrite
393
415ms
5 days ago
Sudoku
MiffOttah
925
549ms
6 days ago
Trinomial Triangle
KatieLG-Transpiler
2,107
376ms
6 days ago
Tower of Hanoi
KatieLG-Transpiler
4,108
394ms
6 days ago
Tic-tac-toe
KatieLG-Transpiler
21,361
540ms
6 days ago
Taxicab Numbers
KatieLG-Transpiler
4,665
378ms
6 days ago
Sphenic Numbers
KatieLG-Transpiler
10,680
362ms
6 days ago
Semiprime Numbers
KatieLG-Transpiler
15,434
383ms
6 days ago
Polygon Triangulations
KatieLG-Transpiler
4,528
359ms
6 days ago
Partition Numbers
KatieLG-Transpiler
767
371ms
6 days ago
Odd Polyomino Tiling
KatieLG-Transpiler
21,658
358ms
6 days ago
Mandelbrot
KatieLG-Transpiler
10,065
359ms
6 days ago
Kaprekar Numbers
KatieLG-Transpiler
528
362ms
6 days ago
Hilbert Curve
KatieLG-Transpiler
5,170
367ms
6 days ago
Highly Composite Numbers
KatieLG-Transpiler
473
367ms
6 days ago
Hexagonal Spiral
KatieLG-Transpiler
1,390
365ms
6 days ago
Floyd-Steinberg Dithering
KatieLG-Transpiler
67,249
424ms
6 days ago
Flags
KatieLG-Transpiler
6,686
448ms
6 days ago
CSS Colors (Inverse)
KatieLG-Transpiler
3,617
464ms
6 days ago
Billiards
KatieLG-Transpiler
14,754
433ms
6 days ago
Apéry’s Constant
KatieLG-Transpiler
1,024
366ms
6 days ago
Tower of Hanoi
fuzzylojik-golf
71
374ms
6 days ago
Fizz Buzz
amazingalek
🥉
80
398ms
6 days ago