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
Trinomial Triangle
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
Smooth Numbers
Snake
Sphenic Numbers
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
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
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
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
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
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
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
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Submitted
Farey Sequence
snoozingnewt
151
110 mins ago
Trinomial Triangle
JayXon
💎
94
20 hours ago
Smith Numbers
snoozingnewt
195
26 hours ago
Van Eck Sequence
snoozingnewt
116
29 hours ago
Inventory Sequence
snoozingnewt
133
34 hours ago
Fizz Buzz
h3ra993huskp
144
46 hours ago
Pangram Grep
janAkali
96
2 days ago
Odious Numbers
Babafaba
47
3 days ago
Time Distance
janAkali
356
3 days ago
Trinomial Triangle
edsrzf
🥈
100
4 days ago
Arithmetic Numbers
snoozingnewt
90
5 days ago
Pernicious Numbers (Long)
snoozingnewt
72
5 days ago
Trinomial Triangle
Ripick
150
8 days ago
Trinomial Triangle
dokutan
2,076
8 days ago
Poker
edsrzf
💎
353
8 days ago
Happy Numbers
snoozingnewt
101
9 days ago
Intersection
snoozingnewt
194
9 days ago
Niven Numbers (Long)
snoozingnewt
81
9 days ago
Prime Numbers
snoozingnewt
72
10 days ago
Prime Numbers (Long)
snoozingnewt
74
10 days ago
Pernicious Numbers
Yax42
43
10 days ago
Trinomial Triangle
snoozingnewt
🥉
128
11 days ago
Quine
snoozingnewt
75
11 days ago
Pernicious Numbers
snoozingnewt
62
11 days ago
Leap Years
snoozingnewt
56
11 days ago
Odious Numbers (Long)
snoozingnewt
62
11 days ago
Odious Numbers
snoozingnewt
61
11 days ago
Evil Numbers (Long)
snoozingnewt
63
11 days ago
Evil Numbers
snoozingnewt
61
11 days ago
Tongue-twisters
snoozingnewt
366
11 days ago
Recamán
snoozingnewt
137
11 days ago
Happy Numbers (Long)
snoozingnewt
105
11 days ago
Collatz
snoozingnewt
90
11 days ago
Abundant Numbers (Long)
snoozingnewt
76
11 days ago
Abundant Numbers
snoozingnewt
75
11 days ago
λ
snoozingnewt
1,008
11 days ago
Divisors
snoozingnewt
75
11 days ago
Fibonacci
snoozingnewt
44
11 days ago
Reverse Polish Notation
edsrzf
🥈
157
11 days ago
Star Wars GPT
edsrzf
💎
153
12 days ago
Trinomial Triangle
CaedenHarper
2,076
14 days ago
Niven Numbers
snoozingnewt
54
15 days ago
Sudoku (Fill-in)
edsrzf
💎
226
15 days ago
Niven Numbers
albanian-laundromat
49
20 days ago
Mahjong
dokutan
🥈
1,688
21 days ago
Partition Numbers
snoozingnewt
🥉
96
21 days ago
Hilbert Curve
Ripick
🥈
457
22 days ago
24 Game
rucin93
💎
365
23 days ago
Pangram Grep
InigoK
148
24 days ago
Game of Life
edsrzf
🥇
118
25 days ago
Game of Life
JayXon
🥇
118
25 days ago
Tic-tac-toe
edsrzf
🥉
122
26 days ago
Prime Numbers (Long)
fuzzylojik-golf
65
26 days ago
CSS Colors
snoozingnewt
🥇
59
15 Sep 2025
Tutorial
snoozingnewt
76
15 Sep 2025
Quine
edsrzf
67
15 Sep 2025
ISBN
edsrzf
🥇
102
12 Sep 2025
Gijswijt’s Sequence
edsrzf
102
8 Sep 2025
Roman to Arabic
dokutan
366
7 Sep 2025
Arabic to Roman
dokutan
253
7 Sep 2025
Hexdump
DialFrost
🥈
197
7 Sep 2025
Quine
fuzzylojik-golf
93
5 Sep 2025
Odious Numbers
fuzzylojik-golf
🥇
39
5 Sep 2025
Evil Numbers
fuzzylojik-golf
🥇
38
5 Sep 2025
Tutorial
targrik
86
4 Sep 2025
Ordinal Numbers
edsrzf
🥈
102
4 Sep 2025
Fizz Buzz
madex
72
3 Sep 2025
Inventory Sequence
blaztoma
102
3 Sep 2025
Hilbert Curve
emgordon154
💎
443
1 Sep 2025
Emirp Numbers
fuzzylojik-golf
106
31 Aug 2025
Prime Numbers
fuzzylojik-golf
🥇
48
31 Aug 2025
Abundant Numbers
lerxcnm
138
30 Aug 2025
Hexagonal Spiral
dokutan
338
30 Aug 2025
Odious Numbers (Long)
fuzzylojik-golf
52
29 Aug 2025
Evil Numbers (Long)
fuzzylojik-golf
53
29 Aug 2025