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
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
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
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
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
Partition Numbers
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Set
Snake
Sphenic Numbers
Star Wars GPT
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
Rockstar 2
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
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
Rockstar 2
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
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
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
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
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
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
Partition Numbers
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Set
Snake
Sphenic Numbers
Star Wars GPT
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
SI Units
dokutan
💎
1,055
8 hours ago
Morse Decoder
dokutan
558
9 hours ago
Morse Encoder
dokutan
689
9 hours ago
Rock-paper-scissors-Spock-lizard
dokutan
579
9 hours ago
CSS Colors
dokutan
2,989
11 hours ago
Emojify
dokutan
🥈
371
14 hours ago
United States
dokutan
767
14 hours ago
Pangram Grep
dokutan
209
14 hours ago
Seven Segment
dokutan
200
14 hours ago
Ordinal Numbers
dokutan
87
14 hours ago
Prime Numbers
acotis
87
31 hours ago
Lucky Tickets
dokutan
3,434
34 hours ago
Tic-tac-toe
dokutan
🦄
187
3 days ago
Hilbert Curve
HumanoidCPU
5,123
5 days ago
Trinomial Triangle
HumanoidCPU
2,072
8 days ago
ROT13
snoozingnewt
🥉
53
10 days ago
ROT13
GolfingSuccess
🥇
19
10 days ago
Catalan Numbers
CaedenHarper
2,877
12 days ago
Kaprekar Numbers
JunkIce
🥈
445
12 days ago
Vampire Numbers
JunkIce
🥉
1,076
12 days ago
Gijswijt’s Sequence
JunkIce
2,005
12 days ago
Rijndael S-box
JunkIce
773
12 days ago
24 Game
JunkIce
🥉
12,437
12 days ago
λ
JunkIce
1,008
12 days ago
Tutorial
CLOStrophobic
38
13 days ago
Rijndael S-box
CaedenHarper
773
14 days ago
𝑒
CaedenHarper
1,008
14 days ago
√2
CaedenHarper
1,008
14 days ago
φ
CaedenHarper
1,008
14 days ago
τ
CaedenHarper
1,008
14 days ago
π
CaedenHarper
1,008
14 days ago
λ
CaedenHarper
1,008
14 days ago
γ
CaedenHarper
1,008
14 days ago
ln 2
CaedenHarper
1,008
14 days ago
Kolakoski Constant
CaedenHarper
1,008
14 days ago
Factorial Factorisation
CaedenHarper
🥉
867
14 days ago
Catalan’s Constant
CaedenHarper
1,008
14 days ago
𝑒
madeforlosers
1,008
21 days ago
Hexagonal Spiral
Shanethegamer
1,381
22 days ago
99 Bottles of Beer
dokutan
1,094
22 days ago
Mandelbrot
Shanethegamer
10,009
24 days ago
Highly Composite Numbers
HumanoidCPU
397
25 days ago
Odd Polyomino Tiling
Shanethegamer
21,436
25 days ago
Spelling Numbers
MeWhenI
💎
303
25 days ago
Hexdump
MeWhenI
💎
278
25 days ago
Game of Life
Shanethegamer
💎
151
25 days ago
Hilbert Curve
Shanethegamer
5,123
27 days ago
Apéry’s Constant
HumanoidCPU
1,008
27 days ago
Partition Numbers
HumanoidCPU
652
6 Jan 2025
ROT13
Shanethegamer
142
5 Jan 2025
𝑒
Fishyfii
1,008
5 Jan 2025
Tutorial
HumanoidCPU
74
5 Jan 2025
ROT13
HPWiz
🥇
19
5 Jan 2025
π
AidanWalter
1,008
1 Jan 2025
12 Days of Christmas
Bobracha
2,374
28 Dec 2024
Highly Composite Numbers
Shanethegamer
397
27 Dec 2024
Maze
Shanethegamer
💎
180
25 Dec 2024
Fibonacci
Mikey-Beep
65
25 Dec 2024
τ
madeforlosers
1,008
17 Dec 2024
π
madeforlosers
1,008
17 Dec 2024
Sphenic Numbers
Shanethegamer
8,865
13 Dec 2024
Fractions
MeWhenI
113
12 Dec 2024
Tutorial
MeWhenI
61
11 Dec 2024
Semiprime Numbers
Shanethegamer
12,794
10 Dec 2024
Tutorial
CaedenHarper
74
9 Dec 2024
Collatz
bthalheim
3,242
5 Dec 2024
Fibonacci
bthalheim
139
5 Dec 2024
Star Wars Opening Crawl
Shanethegamer
💎
394
4 Dec 2024
Tutorial
emgordon154
72
2 Dec 2024
Billiards
MeWhenI
🦄
232
1 Dec 2024
Trinomial Triangle
Shanethegamer
2,072
27 Nov 2024
Partition Numbers
Shanethegamer
652
26 Nov 2024
Apéry’s Constant
Shanethegamer
1,008
26 Nov 2024
Tutorial
ovs-code
37
26 Nov 2024
Tutorial
GolfingSuccess
41
25 Nov 2024