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
Connect Four
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
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
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
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
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
Connect Four
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
Chars
Submitted
Happy Numbers
JunkIce
535
4 hours ago
Christmas Trees
kevinnaviapaiva
236
10 hours ago
Abundant Numbers (Long)
kevinnaviapaiva
135
10 hours ago
Abundant Numbers
kevinnaviapaiva
134
10 hours ago
Divisors
kevinnaviapaiva
113
10 hours ago
Partition Numbers
sean-niemann
68
44 hours ago
Semiprime Numbers
DialFrost
73
2 days ago
Semiprime Numbers
sean-niemann
71
2 days ago
Arithmetic Numbers
sean-niemann
🥉
69
2 days ago
Happy Numbers
sean-niemann
🥈
49
2 days ago
Partition Numbers
DialFrost
66
3 days ago
Prime Numbers
acotis
101
4 days ago
Sphenic Numbers
DialFrost
78
5 days ago
SI Units
edsrzf
💎
457
5 days ago
Trinomial Triangle
DialFrost
127
5 days ago
Number Spiral
sean-niemann
🥉
115
5 days ago
Fibonacci
kevinnaviapaiva
108
5 days ago
Tutorial
KrausRaus
71
5 days ago
Levenshtein Distance
GolfingSuccess
🥇
56
5 days ago
United States
edsrzf
118
6 days ago
Emirp Numbers
yhm138
979
6 days ago
Tutorial
Shanethegamer
70
8 days ago
Abundant Numbers (Long)
ifsnop
75
8 days ago
Morse Encoder
edsrzf
171
9 days ago
Time Distance
edsrzf
267
10 days ago
Fizz Buzz
kevinnaviapaiva
157
11 days ago
ROT13
GolfingSuccess
🥇
40
13 days ago
Tutorial
voytxt
68
14 days ago
PalindromemordnilaP
targrik
83
14 days ago
99 Bottles of Beer
targrik
241
15 days ago
Pascal’s Triangle
targrik
🥇
52
15 days ago
Cubes
targrik
🥈
228
15 days ago
Card Number Validation
targrik
88
15 days ago
Emirp Numbers
targrik
95
16 days ago
ROT13
Kokusui
144
16 days ago
Kolakoski Sequence
sean-niemann
🥇
43
16 days ago
Abundant Numbers (Long)
sean-niemann
62
17 days ago
Tic-tac-toe
emplv
97
17 days ago
Fizz Buzz
csharpython
100
18 days ago
99 Bottles of Beer
DialFrost
🥇
200
18 days ago
Tic-tac-toe
sisyphus-ppcg
100
20 days ago
Minesweeper
targrik
176
20 days ago
Calendar
targrik
208
20 days ago
Ellipse Perimeters
targrik
109
20 days ago
Sudoku (Fill-in)
targrik
569
21 days ago
Sudoku
targrik
564
21 days ago
Game of Life
targrik
174
21 days ago
Time Distance
targrik
310
21 days ago
24 Game
targrik
🥉
574
21 days ago
brainfuck
targrik
166
21 days ago
Arithmetic Numbers
targrik
77
21 days ago
Fractions
targrik
96
21 days ago
Catalan’s Constant
targrik
721
21 days ago
Kolakoski Constant
targrik
720
21 days ago
ln 2
targrik
717
21 days ago
φ
targrik
720
21 days ago
γ
targrik
717
21 days ago
Transpose Sentence
targrik
100
21 days ago
Tic-tac-toe
targrik
129
21 days ago
ROT13
HumanoidCPU
44
21 days ago
Tic-tac-toe
xsot
🥇
84
22 days ago
Tic-tac-toe
edsrzf
101
22 days ago
Mahjong
targrik
🥈
304
22 days ago
Arithmetic Numbers
TheAtrossian
125
22 days ago
Tic-tac-toe
primo-ppcg
🥇
84
22 days ago
Tic-tac-toe
sean-niemann
🥉
91
23 days ago
Hilbert Curve
HumanoidCPU
2,053
23 days ago
Tic-tac-toe
DialFrost
94
23 days ago
Reversi
targrik
248
23 days ago
Poker
targrik
🥈
388
23 days ago
12 Days of Christmas
targrik
478
23 days ago
ISBN
targrik
98
23 days ago
Musical Chords
targrik
483
24 days ago
Tic-tac-toe
rucin93
🥉
91
24 days ago
Rock-paper-scissors-Spock-lizard
targrik
261
24 days ago