Recent Solutions
Prev Hole
Play Hole
Next Hole
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
Christmas Trees
KatieLG
754
86 mins ago
Christmas Trees
DialFrost
210
2 hours ago
Christmas Trees
dokutan
653
3 hours ago
Christmas Trees
kg583
70
18 hours ago
Christmas Trees
albanian-laundromat
79
18 hours ago
Christmas Trees
kg583
🥈
64
18 hours ago
Christmas Trees
sean-niemann
🥈
60
19 hours ago
Christmas Trees
dokutan
604
25 hours ago
Christmas Trees
LegoDerby
214
45 hours ago
Christmas Trees
dokutan
340
2 days ago
Christmas Trees
CaedenHarper
82
2 days ago
Christmas Trees
Yax42
86
3 days ago
Christmas Trees
kkoenig
140
5 days ago
Christmas Trees
blaztoma
173
5 days ago
Christmas Trees
edsrzf
🥉
62
7 days ago
Christmas Trees
KapelMeister
89
8 days ago
Christmas Trees
HolmDev
101
9 days ago
Christmas Trees
5quiwyrm
86
11 days ago
Christmas Trees
LHuitre
86
12 days ago
Christmas Trees
pardouin
🥇
56
12 days ago
Christmas Trees
edsrzf
100
12 days ago
Christmas Trees
commandblockguy
71
12 days ago
Christmas Trees
dokutan
72
13 days ago
Christmas Trees
emgordon154
53
14 days ago
Christmas Trees
kumavale
🥇
89
14 days ago
Christmas Trees
MeWhenI
89
14 days ago
Christmas Trees
qpwoeirut
84
14 days ago
Christmas Trees
lboust
134
15 days ago
Christmas Trees
DialFrost
💎
59
15 days ago
Christmas Trees
kmathis22
230
15 days ago
Christmas Trees
CaedenHarper
92
19 days ago
Christmas Trees
Emutis
88
20 days ago
Christmas Trees
InigoK
80
21 days ago
Christmas Trees
retrohun
79
21 days ago
Christmas Trees
retrohun
🥉
74
21 days ago
Christmas Trees
retrohun
67
21 days ago
Christmas Trees
Apataras
613
22 days ago
Christmas Trees
blaztoma
87
22 days ago
Christmas Trees
BREMAUCY
82
24 days ago
Christmas Trees
HumanoidCPU
554
26 days ago
Christmas Trees
HumanoidCPU
554
26 days ago
Christmas Trees
HumanoidCPU
546
26 days ago
Christmas Trees
osNiko
79
26 days ago
Christmas Trees
CaedenHarper
1,673
26 days ago
Christmas Trees
CaedenHarper
725
27 days ago
Christmas Trees
CaedenHarper
1,876
27 days ago
Christmas Trees
CaedenHarper
653
27 days ago
Christmas Trees
CaedenHarper
600
27 days ago
Christmas Trees
CaedenHarper
560
27 days ago
Christmas Trees
CaedenHarper
550
27 days ago
Christmas Trees
CaedenHarper
553
27 days ago
Christmas Trees
CaedenHarper
551
27 days ago
Christmas Trees
CaedenHarper
559
27 days ago
Christmas Trees
CaedenHarper
552
27 days ago
Christmas Trees
CaedenHarper
554
27 days ago
Christmas Trees
CaedenHarper
565
27 days ago
Christmas Trees
CaedenHarper
550
27 days ago
Christmas Trees
CaedenHarper
550
27 days ago
Christmas Trees
CaedenHarper
550
27 days ago
Christmas Trees
CaedenHarper
551
27 days ago
Christmas Trees
CaedenHarper
556
27 days ago
Christmas Trees
CaedenHarper
546
27 days ago
Christmas Trees
CaedenHarper
550
27 days ago
Christmas Trees
CaedenHarper
549
27 days ago
Christmas Trees
CaedenHarper
558
27 days ago
Christmas Trees
CaedenHarper
554
27 days ago
Christmas Trees
CaedenHarper
553
27 days ago
Christmas Trees
CaedenHarper
553
27 days ago
Christmas Trees
HumanoidCPU
573
14 Aug 2025
Christmas Trees
Mikey-Beep
271
13 Aug 2025
Christmas Trees
HumanoidCPU
873
13 Aug 2025
Christmas Trees
AdrienHache
112
13 Aug 2025
Christmas Trees
primo-ppcg
💎
207
13 Aug 2025
Christmas Trees
HumanoidCPU
1,239
13 Aug 2025
Christmas Trees
aditsu
89
12 Aug 2025