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
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
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
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
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
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
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
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Erlang
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
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
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
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
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
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
Bytes
Submitted
Tutorial
snoozingnewt
94
10 hours ago
Happy Numbers (Long)
fuzzylojik-golf
78
15 hours ago
Happy Numbers
fuzzylojik-golf
77
15 hours ago
Niven Numbers (Long)
fuzzylojik-golf
🥇
62
15 hours ago
Pascal’s Triangle
HolmDev
100
16 hours ago
Leap Years
fuzzylojik-golf
54
26 hours ago
Catalan Numbers
fuzzylojik-golf
🥇
49
27 hours ago
√2
fuzzylojik-golf
🥇
63
31 hours ago
Hilbert Curve
ovs-code
💎
330
35 hours ago
φ
fuzzylojik-golf
🥇
61
2 days ago
Pangram Grep
snoozingnewt
143
4 days ago
Fibonacci
fuzzylojik-golf
🥇
35
4 days ago
Emirp Numbers
HolmDev
95
5 days ago
Emirp Numbers (Long)
HolmDev
96
5 days ago
Collatz
HolmDev
72
5 days ago
Happy Numbers (Long)
HolmDev
104
5 days ago
Prime Numbers (Long)
HolmDev
55
5 days ago
brainfuck
HolmDev
721
6 days ago
Prime Numbers
HolmDev
53
7 days ago
Arithmetic Numbers
dokutan
131
8 days ago
Ascending Primes
snoozingnewt
171
10 days ago
λ
blaztoma
1,651
10 days ago
12 Days of Christmas
HolmDev
486
11 days ago
Divisors
HolmDev
69
11 days ago
Diamonds
HolmDev
107
11 days ago
Happy Numbers
HolmDev
100
12 days ago
Fizz Buzz
HolmDev
115
12 days ago
Christmas Trees
HolmDev
101
12 days ago
99 Bottles of Beer
HolmDev
289
12 days ago
Foo Fizz Buzz Bar
HolmDev
135
12 days ago
Fibonacci
HolmDev
53
12 days ago
Quine
fuzzylojik-golf
🥇
35
13 days ago
Card Number Validation
aDwarfNamedUrist
162
14 days ago
Hilbert Curve
blaztoma
🥈
734
14 days ago
π
Fvirgilio
79
15 days ago
Hilbert Curve
dokutan
🥉
736
18 days ago
Hilbert Curve
CaedenHarper
5,161
18 days ago
Abundant Numbers (Long)
fuzzylojik-golf
🥇
61
19 days ago
Abundant Numbers
fuzzylojik-golf
🥇
60
19 days ago
Prime Numbers (Long)
fuzzylojik-golf
58
19 days ago
Prime Numbers
fuzzylojik-golf
🥇
43
19 days ago
Niven Numbers
fuzzylojik-golf
🥇
52
19 days ago
λ
duckyluuk
1,015
19 days ago
Divisors
fuzzylojik-golf
🥇
66
20 days ago
Pascal’s Triangle
YAJUE114514
84
22 days ago
Roman to Arabic
CaedenHarper
160
24 days ago
Catalan Numbers
blaztoma
57
24 days ago
Collatz
El-PowerPtr
83
24 days ago
Tutorial
Vexxter9
187
25 days ago
Inventory Sequence
YAJUE114514
141
26 days ago
Foo Fizz Buzz Bar
dokutan
218
27 days ago
Fibonacci
dokutan
52
27 days ago
Fizz Buzz
Zounon
120
27 days ago
Sphenic Numbers
HumanoidCPU
10,671
18 Aug 2025
Trinomial Triangle
HumanoidCPU
2,098
18 Aug 2025
Hilbert Curve
HumanoidCPU
5,161
18 Aug 2025
√2
YAJUE114514
592
18 Aug 2025
Emirp Numbers (Long)
DialFrost
109
17 Aug 2025
Inventory Sequence
blaztoma
136
17 Aug 2025
Mandelbrot
CaedenHarper
10,056
16 Aug 2025
Partition Numbers
CaedenHarper
758
16 Aug 2025
Fibonacci
HumanoidCPU
51
16 Aug 2025
Ordinal Numbers
YAJUE114514
154
16 Aug 2025
Tutorial
matejmatik123
132
15 Aug 2025
Fibonacci
YAJUE114514
41
15 Aug 2025
Prime Numbers
YAJUE114514
🥇
43
15 Aug 2025
Jacobi Symbol
YAJUE114514
179
15 Aug 2025
Topological Sort
Shanethegamer
💎
132
9 Aug 2025
Intersection
DanielVenable
154
7 Aug 2025
Fibonacci
error256
36
6 Aug 2025
Topological Sort
Sakisan
164
5 Aug 2025
Roman to Arabic
YAJUE114514
179
3 Aug 2025
𝑒
Macweese
198
3 Aug 2025
Topological Sort
DanielVenable
221
3 Aug 2025
Abundant Numbers (Long)
DanielVenable
62
2 Aug 2025