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
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
Smith Numbers
sean-niemann
🥈
156
2 days ago
Smith Numbers
sean-niemann
🥉
150
2 days ago
Smith Numbers
sean-niemann
🥉
122
2 days ago
Smith Numbers
sean-niemann
🥈
140
2 days ago
Smith Numbers
sean-niemann
167
2 days ago
Smith Numbers
albanian-laundromat
257
3 days ago
Smith Numbers
CaedenHarper
143
3 days ago
Smith Numbers
KatieLG
🥈
292
3 days ago
Smith Numbers
ryyyn
121
4 days ago
Smith Numbers
bitsandbeyond
💎
99
5 days ago
Smith Numbers
kg583
151
5 days ago
Smith Numbers
qpwoeirut
194
6 days ago
Smith Numbers
kmathis22
155
6 days ago
Smith Numbers
luuumine
156
6 days ago
Smith Numbers
snoozingnewt
108
7 days ago
Smith Numbers
snoozingnewt
152
7 days ago
Smith Numbers
snoozingnewt
164
7 days ago
Smith Numbers
snoozingnewt
171
7 days ago
Smith Numbers
snoozingnewt
212
7 days ago
Smith Numbers
snoozingnewt
276
7 days ago
Smith Numbers
snoozingnewt
198
7 days ago
Smith Numbers
snoozingnewt
186
7 days ago
Smith Numbers
snoozingnewt
201
7 days ago
Smith Numbers
snoozingnewt
143
7 days ago
Smith Numbers
snoozingnewt
172
7 days ago
Smith Numbers
snoozingnewt
🥉
274
7 days ago
Smith Numbers
snoozingnewt
289
7 days ago
Smith Numbers
snoozingnewt
195
7 days ago
Smith Numbers
snoozingnewt
425
7 days ago
Smith Numbers
snoozingnewt
153
7 days ago
Smith Numbers
snoozingnewt
252
7 days ago
Smith Numbers
snoozingnewt
187
7 days ago
Smith Numbers
snoozingnewt
154
7 days ago
Smith Numbers
snoozingnewt
172
7 days ago
Smith Numbers
snoozingnewt
185
7 days ago
Smith Numbers
snoozingnewt
184
7 days ago
Smith Numbers
snoozingnewt
188
7 days ago
Smith Numbers
snoozingnewt
176
7 days ago
Smith Numbers
snoozingnewt
189
7 days ago
Smith Numbers
snoozingnewt
165
7 days ago
Smith Numbers
snoozingnewt
173
7 days ago
Smith Numbers
snoozingnewt
114
7 days ago
Smith Numbers
snoozingnewt
107
7 days ago
Smith Numbers
snoozingnewt
194
7 days ago
Smith Numbers
snoozingnewt
170
7 days ago
Smith Numbers
foxmcloud555
196
7 days ago
Smith Numbers
namelessiw
19
9 days ago
Smith Numbers
madex
201
11 days ago
Smith Numbers
kumavale
141
12 days ago
Smith Numbers
CaedenHarper
172
13 days ago
Smith Numbers
stefangimmillaro
152
14 days ago
Smith Numbers
HumanoidCPU
1,832
14 days ago
Smith Numbers
snoozingnewt
131
14 days ago
Smith Numbers
snoozingnewt
131
14 days ago
Smith Numbers
namelessiw
155
15 days ago
Smith Numbers
albanian-laundromat
135
15 days ago
Smith Numbers
plcc0
104
17 days ago
Smith Numbers
plcc0
168
17 days ago
Smith Numbers
Mr-McChicken
163
17 days ago
Smith Numbers
jacekwladzinski
162
17 days ago
Smith Numbers
mossiegoat
210
18 days ago
Smith Numbers
Schmitt-Very-Cool
229
18 days ago
Smith Numbers
maweowo
50
18 days ago
Smith Numbers
emgordon154
99
18 days ago
Smith Numbers
evnu
72
19 days ago
Smith Numbers
emgordon154
🥈
124
21 days ago
Smith Numbers
CaedenHarper
2,253
22 days ago
Smith Numbers
Shanethegamer
2,253
22 days ago
Smith Numbers
CaedenHarper
🥉
111
24 days ago
Smith Numbers
albanian-laundromat
142
24 days ago
Smith Numbers
Shanethegamer
💎
164
25 days ago
Smith Numbers
m-tkach
153
25 days ago
Smith Numbers
nwellnhof
🥇
137
25 days ago
Smith Numbers
JayXon
🥇
137
26 days ago
Smith Numbers
emgordon154
🥉
142
26 days ago