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
Gray Code Decoder
Gray Code Encoder
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
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
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
ArkScript
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
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
Gray Code Decoder
Gray Code Encoder
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
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
λ
roelderickx
1,011
457ms
106 mins ago
λ
DayDun
213
621ms
2 hours ago
λ
Matter1024
223
542ms
3 hours ago
λ
tomh1012
332
670ms
8 hours ago
λ
BREMAUCY
250
505ms
8 hours ago
λ
blaztoma
180
488ms
9 hours ago
λ
jared-hughes
191
605ms
9 hours ago
λ
Seek64
180
493ms
9 hours ago
Rule 110
CaedenHarper
70
397ms
10 hours ago
λ
madex
217
491ms
11 hours ago
λ
plcc0
216
485ms
12 hours ago
λ
CaedenHarper
208
830ms
17 hours ago
λ
edsrzf
181
526ms
17 hours ago
λ
scpchicken
186
578ms
17 hours ago
Multitap Input
CaedenHarper
127
448ms
22 hours ago
Alphabetic Numbers
Shanethegamer
3,907
2,582ms
23 hours ago
Taxicab Numbers
Steffan153
84
439ms
43 hours ago
Smooth Numbers
kg583
79
605ms
44 hours ago
Fibonacci
roupiq
38
382ms
2 days ago
Musical Chords
Steffan153
🥈
103
424ms
2 days ago
Leap Years
GolfingSuccess
45
406ms
3 days ago
Vampire Numbers
Steffan153
🥉
111
2,968ms
3 days ago
Mahjong
scpchicken
289
4,724ms
3 days ago
Pernicious Numbers
plcc0
40
387ms
4 days ago
Quine
plcc0
🥈
31
380ms
4 days ago
Flags
bitsandbeyond
672
587ms
4 days ago
Zodiac Signs
jusaka
151
537ms
4 days ago
Zeckendorf Representation
jusaka
119
443ms
4 days ago
United States
jusaka
158
521ms
4 days ago
Tutorial
jusaka
65
552ms
4 days ago
Turtle
jusaka
388
711ms
4 days ago
Transpose Sentence
jusaka
96
486ms
4 days ago
Topological Sort
jusaka
127
533ms
4 days ago
Time Distance
jusaka
248
606ms
4 days ago
Tic-tac-toe
jusaka
120
541ms
4 days ago
Ten-pin Bowling
jusaka
173
481ms
4 days ago
Sudoku (Fill-in)
jusaka
262
1,040ms
4 days ago
Sudoku
jusaka
395
1,179ms
4 days ago
Star Wars Opening Crawl
jusaka
289
601ms
4 days ago
Star Wars GPT
jusaka
123
572ms
4 days ago
Spelling Numbers
jusaka
343
580ms
4 days ago
Snake
jusaka
283
722ms
4 days ago
Smooth Numbers
jusaka
135
639ms
4 days ago
SI Units
jusaka
458
952ms
4 days ago
Seven Segment
jusaka
115
419ms
4 days ago
Set
jusaka
135
502ms
4 days ago
Scrambled Sort
jusaka
92
419ms
4 days ago
ROT13
jusaka
68
393ms
4 days ago
Roman to Arabic
jusaka
100
462ms
4 days ago
Rock-paper-scissors-Spock-lizard
jusaka
213
569ms
4 days ago
Reversi
jusaka
186
625ms
4 days ago
Reverse Polish Notation
jusaka
130
514ms
4 days ago
Repeating Decimals
jusaka
183
453ms
4 days ago
Rectangle Fill
jusaka
328
720ms
4 days ago
Quine
jusaka
🥈
31
409ms
4 days ago
Quadratic Formula
jusaka
1,126
930ms
4 days ago
QR Decoder
jusaka
185
464ms
4 days ago
Proximity Grid
jusaka
214
563ms
4 days ago
Poker
jusaka
286
679ms
4 days ago
Pangram Grep
jusaka
77
511ms
4 days ago
PalindromemordnilaP
jusaka
89
423ms
4 days ago
p-adic Expansion
jusaka
450
638ms
4 days ago
Ordinal Numbers
jusaka
87
454ms
4 days ago
NFA Simulator
jusaka
892
843ms
4 days ago
Musical Chords
jusaka
174
545ms
4 days ago
Multitap Input
jusaka
118
415ms
4 days ago
Morse Encoder
jusaka
162
559ms
4 days ago
Minesweeper
jusaka
162
757ms
4 days ago
Medal Tally
jusaka
149
536ms
4 days ago
Maze
jusaka
144
691ms
4 days ago
Mahjong
jusaka
290
1,973ms
4 days ago
Lucky Tickets
jusaka
101
708ms
4 days ago
Levenshtein Distance
jusaka
146
823ms
4 days ago
Jacobi Symbol
jusaka
142
570ms
4 days ago
ISBN
jusaka
102
501ms
4 days ago
Intersection
jusaka
130
455ms
4 days ago
Hexdump
jusaka
137
494ms
4 days ago
Gray Code Encoder
jusaka
62
405ms
4 days ago
Gray Code Decoder
jusaka
75
460ms
4 days ago
Game of Life
jusaka
133
489ms
4 days ago