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
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
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
Set
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
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
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
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
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
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
Set
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
QR Encoder
Quadratic Formula
Scrambled Alphabetization
Semiprime Numbers
Snake
Sphenic Numbers
Star Wars GPT
Trinomial Triangle
Turtle
Tutorial
Hole
Golfer
Chars
Submitted
Recamán
KasperKivimaeki
72
3 hours ago
Recamán
albanian-laundromat
63
2 days ago
Recamán
dokutan
135
2 days ago
Recamán
inventshah
54
2 days ago
Recamán
dokutan
222
3 days ago
Recamán
dokutan
144
3 days ago
Recamán
dokutan
89
3 days ago
Recamán
dokutan
250
3 days ago
Recamán
dokutan
192
3 days ago
Recamán
dokutan
130
3 days ago
Recamán
dokutan
112
3 days ago
Recamán
IISResetMe
67
3 days ago
Recamán
inventshah
🥇
90
3 days ago
Recamán
snoozingnewt
64
3 days ago
Recamán
yoshykai
136
4 days ago
Recamán
dokutan
70
4 days ago
Recamán
dokutan
72
4 days ago
Recamán
dokutan
122
4 days ago
Recamán
dokutan
215
4 days ago
Recamán
dokutan
373
4 days ago
Recamán
dokutan
130
5 days ago
Recamán
dokutan
69
6 days ago
Recamán
dokutan
79
6 days ago
Recamán
dokutan
84
6 days ago
Recamán
Shanethegamer
🥈
182
6 days ago
Recamán
MeWhenI
🥉
183
6 days ago
Recamán
khvdm
🥇
55
7 days ago
Recamán
ovs-code
💎
161
7 days ago
Recamán
tatzyr
58
8 days ago
Recamán
DialFrost
191
8 days ago
Recamán
Natanaelel
32
11 days ago
Recamán
2bular
16
11 days ago
Recamán
darrenks
17
11 days ago
Recamán
WillowWispy
86
16 days ago
Recamán
DialFrost
💎
71
17 days ago
Recamán
Pyroan
68
21 days ago
Recamán
TeodorDyakov
81
23 days ago
Recamán
rucin93
63
23 days ago
Recamán
rucin93
63
23 days ago
Recamán
sean-niemann
🥈
44
23 days ago
Recamán
Frowny
🥈
35
24 days ago
Recamán
retrohun
906
25 days ago
Recamán
HumanoidCPU
1,396
25 days ago
Recamán
andrewjc2000
63
25 days ago
Recamán
my-company-my
909
27 days ago
Recamán
JunkIce
64
5 Mar 2025
Recamán
CLOStrophobic
🥈
87
4 Mar 2025
Recamán
MeWhenI
🥇
73
4 Mar 2025
Recamán
gigaprofisi
70
3 Mar 2025
Recamán
gigaprofisi
1,158
2 Mar 2025
Recamán
gigaprofisi
78
2 Mar 2025
Recamán
kg583
92
1 Mar 2025
Recamán
bitsandbeyond
🥇
44
28 Feb 2025
Recamán
Andriamanitra
100
28 Feb 2025
Recamán
Andriamanitra
86
28 Feb 2025
Recamán
Andriamanitra
47
28 Feb 2025
Recamán
emgordon154
124
27 Feb 2025
Recamán
MeWhenI
🥉
36
27 Feb 2025
Recamán
kevinnaviapaiva
367
26 Feb 2025
Recamán
DialFrost
🥉
85
25 Feb 2025
Recamán
dokutan
65
24 Feb 2025
Recamán
dokutan
65
24 Feb 2025
Recamán
jameswmccarty
100
22 Feb 2025
Recamán
frankgraziano
90
19 Feb 2025
Recamán
sean-niemann
💎
50
19 Feb 2025
Recamán
CornerMercury
62
14 Feb 2025
Recamán
kevinnaviapaiva
211
14 Feb 2025
Recamán
kg583
🥈
85
13 Feb 2025
Recamán
zacjl
💎
84
13 Feb 2025
Recamán
Natanaelel
55
12 Feb 2025
Recamán
Natanaelel
80
12 Feb 2025
Recamán
DialFrost
53
12 Feb 2025
Recamán
targrik
55
12 Feb 2025
Recamán
acotis
119
9 Feb 2025
Recamán
KatieLG
1,149
9 Feb 2025