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
Reverse Polish Notation
targrik
92
6 hours ago
Reverse Polish Notation
Mukundan314
124
19 hours ago
Reverse Polish Notation
ehulinsky
216
46 hours ago
Reverse Polish Notation
albanian-laundromat
99
5 days ago
Reverse Polish Notation
inventshah
151
5 days ago
Reverse Polish Notation
inventshah
172
5 days ago
Reverse Polish Notation
Chinay-Domitrix
297
6 days ago
Reverse Polish Notation
Beariish
158
8 days ago
Reverse Polish Notation
Sciman101
192
8 days ago
Reverse Polish Notation
frosster
170
8 days ago
Reverse Polish Notation
edsrzf
156
10 days ago
Reverse Polish Notation
themoonisacheese
13
20 days ago
Reverse Polish Notation
Pyroan
126
21 days ago
Reverse Polish Notation
nullie
256
23 days ago
Reverse Polish Notation
gigaprofisi
5
24 days ago
Reverse Polish Notation
emgordon154
415
25 days ago
Reverse Polish Notation
emgordon154
310
6 Mar 2025
Reverse Polish Notation
smclaughlin-cf
102
4 Mar 2025
Reverse Polish Notation
MeWhenI
🥉
41
2 Mar 2025
Reverse Polish Notation
ovs-code
🥇
69
1 Mar 2025
Reverse Polish Notation
duckyluuk
🥈
143
26 Feb 2025
Reverse Polish Notation
tatzyr
57
26 Feb 2025
Reverse Polish Notation
edsrzf
128
24 Feb 2025
Reverse Polish Notation
not-a-pokemon
185
24 Feb 2025
Reverse Polish Notation
mishak-sys
151
24 Feb 2025
Reverse Polish Notation
JayXon
56
23 Feb 2025
Reverse Polish Notation
edsrzf
🥈
282
20 Feb 2025
Reverse Polish Notation
edsrzf
124
20 Feb 2025
Reverse Polish Notation
edsrzf
🥉
134
20 Feb 2025
Reverse Polish Notation
GolfingSuccess
🥉
76
19 Feb 2025
Reverse Polish Notation
plcc0
84
19 Feb 2025
Reverse Polish Notation
plcc0
6
19 Feb 2025
Reverse Polish Notation
CLOStrophobic
🥈
133
19 Feb 2025
Reverse Polish Notation
plcc0
🥇
4
19 Feb 2025
Reverse Polish Notation
acotis
253
18 Feb 2025
Reverse Polish Notation
FlyingPenguin223
132
17 Feb 2025
Reverse Polish Notation
chunes3
109
15 Feb 2025
Reverse Polish Notation
CornerMercury
91
14 Feb 2025
Reverse Polish Notation
kirjavascript
89
14 Feb 2025
Reverse Polish Notation
kg583
💎
145
14 Feb 2025
Reverse Polish Notation
m-tkach
💎
226
12 Feb 2025
Reverse Polish Notation
JohandeRuiter
164
11 Feb 2025
Reverse Polish Notation
UnderKoen
🥉
284
9 Feb 2025
Reverse Polish Notation
ovs-code
6
8 Feb 2025
Reverse Polish Notation
edsrzf
7
8 Feb 2025
Reverse Polish Notation
BalaM314
93
7 Feb 2025
Reverse Polish Notation
emgordon154
6
7 Feb 2025
Reverse Polish Notation
HumanoidCPU
343
6 Feb 2025
Reverse Polish Notation
Kacarott
115
4 Feb 2025
Reverse Polish Notation
Kacarott
114
4 Feb 2025
Reverse Polish Notation
Yax42
194
4 Feb 2025
Reverse Polish Notation
GolfingSuccess
🥉
314
3 Feb 2025
Reverse Polish Notation
yeminghan2021
255
2 Feb 2025
Reverse Polish Notation
xsot
💎
74
2 Feb 2025
Reverse Polish Notation
AdrienHache
180
1 Feb 2025
Reverse Polish Notation
ovs-code
🥈
312
1 Feb 2025
Reverse Polish Notation
GrayJoKing
💎
139
31 Jan 2025
Reverse Polish Notation
emgordon154
🥈
162
30 Jan 2025
Reverse Polish Notation
GolfingSuccess
🥉
144
30 Jan 2025
Reverse Polish Notation
Shanethegamer
💎
306
30 Jan 2025
Reverse Polish Notation
edsrzf
🥉
167
29 Jan 2025
Reverse Polish Notation
sean-niemann
83
29 Jan 2025
Reverse Polish Notation
edsrzf
74
28 Jan 2025
Reverse Polish Notation
croc54
147
27 Jan 2025
Reverse Polish Notation
AlephSquirrel
140
25 Jan 2025
Reverse Polish Notation
rucin93
82
24 Jan 2025
Reverse Polish Notation
edsrzf
🥉
225
24 Jan 2025
Reverse Polish Notation
zacjl
🥉
47
22 Jan 2025
Reverse Polish Notation
Salutations45
96
22 Jan 2025
Reverse Polish Notation
ryyyn
155
19 Jan 2025
Reverse Polish Notation
dokutan
🥈
2,483
18 Jan 2025
Reverse Polish Notation
edsrzf
💎
99
17 Jan 2025
Reverse Polish Notation
targrik
164
15 Jan 2025
Reverse Polish Notation
yokasuretsu
152
14 Jan 2025
Reverse Polish Notation
dokutan
193
13 Jan 2025