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
Chars
Time
Submitted
Tutorial
Mefred
137
103ms
3 days ago
Pangram Grep
plcc0
78
101ms
6 days ago
Trinomial Triangle
KatieLG-Transpiler
2,075
68ms
10 days ago
Tower of Hanoi
KatieLG-Transpiler
3,585
77ms
10 days ago
Taxicab Numbers
KatieLG-Transpiler
4,168
73ms
10 days ago
Sphenic Numbers
KatieLG-Transpiler
8,868
77ms
10 days ago
Semiprime Numbers
KatieLG-Transpiler
12,797
79ms
10 days ago
Polygon Triangulations
KatieLG-Transpiler
4,320
73ms
10 days ago
Partition Numbers
KatieLG-Transpiler
655
71ms
10 days ago
Odd Polyomino Tiling
KatieLG-Transpiler
21,439
83ms
10 days ago
Mandelbrot
KatieLG-Transpiler
3,370
73ms
10 days ago
Kaprekar Numbers
KatieLG-Transpiler
448
66ms
10 days ago
Hilbert Curve
KatieLG-Transpiler
2,056
71ms
10 days ago
Highly Composite Numbers
KatieLG-Transpiler
400
66ms
10 days ago
Hexagonal Spiral
KatieLG-Transpiler
1,343
68ms
10 days ago
Apéry’s Constant
KatieLG-Transpiler
1,011
75ms
10 days ago
Niven Numbers (Long)
fuzzylojik-golf
72
121ms
12 days ago
Niven Numbers
fuzzylojik-golf
🥇
49
76ms
12 days ago
Catalan’s Constant
JOrE20
387
79ms
12 days ago
√2
JOrE20
1,012
69ms
14 days ago
τ
JOrE20
1,011
69ms
14 days ago
φ
JOrE20
1,012
77ms
14 days ago
π
JOrE20
1,012
67ms
14 days ago
ln 2
JOrE20
1,012
69ms
14 days ago
Calendar
edsrzf
🦄
258
101ms
15 days ago
Evil Numbers
JOrE20
78
66ms
17 days ago
Tutorial
HumanoidCPU
69
110ms
18 days ago
24 Game
retrohun
12,440
76ms
18 days ago
Tongue-twisters
JOrE20
205
78ms
19 days ago
Arrows
BREMAUCY
203
140ms
21 days ago
Prime Numbers (Long)
DialFrost
52
230ms
21 days ago
Tower of Hanoi
KatieLG
392
113ms
21 days ago
Smooth Numbers
GolfingSuccess
103
585ms
23 days ago
Trinomial Triangle
error256
💎
76
92ms
25 days ago
Catalan Numbers
albanian-laundromat
52
88ms
26 days ago
Sudoku (Fill-in)
albanian-laundromat
💎
175
4,438ms
26 days ago
Billiards
albanian-laundromat
💎
110
121ms
26 days ago
Leyland Numbers
albanian-laundromat
🥇
66
83ms
26 days ago
Divisors
albanian-laundromat
🥇
59
105ms
27 days ago
Factorial Factorisation
albanian-laundromat
💎
92
85ms
21 Dec 2025
Lucky Tickets
MeWhenI
2,355
107ms
21 Dec 2025
Pangram Grep
kmathis22
159
103ms
20 Dec 2025
Fibonacci
Pyroan
84
117ms
17 Dec 2025
Arrows
bitsandbeyond
🥉
172
159ms
17 Dec 2025
γ
JOrE20
1,011
85ms
17 Dec 2025
Arithmetic Numbers
albanian-laundromat
148
4,299ms
17 Dec 2025
Christmas Trees
albanian-laundromat
102
73ms
16 Dec 2025
Game of Life
albanian-laundromat
98
290ms
16 Dec 2025
Tower of Hanoi
edsrzf
💎
69
88ms
16 Dec 2025
Collatz
albanian-laundromat
73
557ms
16 Dec 2025
Tower of Hanoi
albanian-laundromat
🥈
72
97ms
16 Dec 2025
Ascending Primes
albanian-laundromat
💎
102
142ms
16 Dec 2025
Tutorial
GolfingSuccess
64
148ms
15 Dec 2025
Abundant Numbers
DialFrost
70
98ms
15 Dec 2025
𝑒
dokutan
362
79ms
12 Dec 2025
√2
dokutan
362
74ms
12 Dec 2025
φ
dokutan
360
76ms
12 Dec 2025
τ
dokutan
364
86ms
12 Dec 2025
π
dokutan
364
80ms
12 Dec 2025
λ
dokutan
362
77ms
12 Dec 2025
γ
dokutan
360
82ms
12 Dec 2025
Van Eck Sequence
dokutan
680
82ms
12 Dec 2025
Vampire Numbers
dokutan
380
74ms
12 Dec 2025
Trinomial Triangle
dokutan
570
79ms
12 Dec 2025
Tower of Hanoi
dokutan
110
85ms
12 Dec 2025
Tongue-twisters
dokutan
184
83ms
12 Dec 2025
Smith Numbers
dokutan
590
87ms
12 Dec 2025
Sierpiński Triangle
dokutan
114
86ms
12 Dec 2025
Rule 110
dokutan
🥉
596
77ms
12 Dec 2025
Rijndael S-box
dokutan
🥉
318
77ms
12 Dec 2025
Recamán
dokutan
316
77ms
12 Dec 2025
Polyominoes
dokutan
🥉
496
83ms
12 Dec 2025
Pascal’s Triangle
dokutan
268
87ms
12 Dec 2025
Number Spiral
dokutan
154
82ms
12 Dec 2025
N Queens
dokutan
380
78ms
12 Dec 2025
Mandelbrot
dokutan
🥈
176
82ms
12 Dec 2025
Lucky Numbers
dokutan
1,422
87ms
12 Dec 2025
Look and Say
dokutan
204
103ms
12 Dec 2025
ln 2
dokutan
360
96ms
12 Dec 2025
Leyland Numbers
dokutan
328
92ms
12 Dec 2025