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
Hexagonal Spiral
HumanoidCPU
1,341
12 hours ago
Mandelbrot
ovs-code
88
40 hours ago
Evil Numbers
victorz-ca
48
2 days ago
Mandelbrot
DialFrost
124
3 days ago
Star Wars GPT
DialFrost
🥈
126
4 days ago
Scrambled Sort
DialFrost
🥈
141
4 days ago
Semiprime Numbers
DialFrost
77
4 days ago
Scrambled Sort
CaedenHarper
🥉
259
4 days ago
Rijndael S-box
DialFrost
🥈
394
5 days ago
Catalan Numbers
DialFrost
🥈
260
5 days ago
Rule 110
DialFrost
🥈
112
5 days ago
Odious Numbers (Long)
victorz-ca
71
5 days ago
Odious Numbers
victorz-ca
68
5 days ago
Evil Numbers (Long)
victorz-ca
71
5 days ago
Reverse Polish Notation
DialFrost
🥈
110
6 days ago
N Queens
DialFrost
🥈
103
6 days ago
Emirp Numbers (Long)
DialFrost
🥇
79
6 days ago
24 Game
DialFrost
💎
161
6 days ago
Ascending Primes
DialFrost
💎
75
6 days ago
Pascal’s Triangle
edsrzf
🥇
36
6 days ago
Collatz
victorz-ca
80
6 days ago
Arithmetic Numbers
victorz-ca
65
6 days ago
𝑒
gigaprofisi
1,013
6 days ago
Scrambled Sort
Msleizak
595
7 days ago
Mandelbrot
MeWhenI
639
7 days ago
99 Bottles of Beer
victorz-ca
307
7 days ago
Collatz
codewrite
122
8 days ago
Set
DialFrost
💎
93
8 days ago
Smith Numbers
DialFrost
💎
90
8 days ago
Scrambled Sort
SB-945
446
15 days ago
Arithmetic Numbers
sean-niemann
🥇
47
16 days ago
Fizz Buzz
XenThe
66
16 days ago
Niven Numbers
qwertyuiop3
48
19 days ago
Scrambled Sort
Schmitt-Very-Cool
865
20 days ago
𝑒
JOrE-Softwares
1,013
20 days ago
Quine
fuzzylojik-golf
92
23 days ago
π
JOrE-Softwares
1,026
23 days ago
Polygon Triangulations
Shanethegamer
4,318
23 days ago
Fibonacci
SwordF-Official
45
25 days ago
Game of Life
sean-niemann
💎
115
25 days ago
Tongue-twisters
sean-niemann
💎
173
25 days ago
Odious Numbers (Long)
sean-niemann
🥉
44
25 days ago
Evil Numbers (Long)
sean-niemann
🥈
44
25 days ago
Scrambled Sort
Yewzir
291
25 days ago
Tutorial
2bular
46
26 days ago
Scrambled Sort
KatieLG
274
26 days ago
ln 2
ovs-code
💎
115
30 May 2025
Kaprekar Numbers
ovs-code
🥈
73
30 May 2025
Ascending Primes
ovs-code
🥈
78
30 May 2025
λ
heanyang1
1,013
29 May 2025
φ
sean-niemann
🥈
103
29 May 2025
Smith Numbers
sean-niemann
🥈
92
29 May 2025
Ordinal Numbers
sean-niemann
💎
73
29 May 2025
Leyland Numbers
sean-niemann
🥈
67
29 May 2025
Fizz Buzz
sean-niemann
🥇
65
29 May 2025
Collatz
sean-niemann
💎
66
29 May 2025
Christmas Trees
sean-niemann
🥉
69
29 May 2025
Foo Fizz Buzz Bar
sean-niemann
💎
77
29 May 2025
𝑒
heanyang1
1,013
28 May 2025
Scrambled Sort
ovs-code
💎
89
27 May 2025
Fizz Buzz
JOrE-Softwares
100
22 May 2025
Sphenic Numbers
ovs-code
56
16 May 2025
Semiprime Numbers
Shanethegamer
90
14 May 2025
Star Wars GPT
snoozingnewt
🥉
411
11 May 2025
Set
snoozingnewt
🥉
335
11 May 2025
Gray Code Decoder
DialFrost
78
10 May 2025
Fibonacci
andrewjc2000
48
8 May 2025
N Queens
RaBa21
1,256
7 May 2025
Odious Numbers
0dyse
61
6 May 2025
Fizz Buzz
0dyse
77
6 May 2025
Day of Week
0dyse
47
6 May 2025
Arithmetic Numbers
Voltrifrodec
58
3 May 2025
Abundant Numbers
Voltrifrodec
55
3 May 2025
Abundant Numbers (Long)
Voltrifrodec
56
3 May 2025
Star Wars GPT
ovs-code
💎
124
30 Apr 2025