Recent Solutions
Prev Hole
Play Hole
Next Hole
Achievements
Cheevos
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
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
Tower of Hanoi
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
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
ALGOL 68
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
Erlang
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
APL
ArkScript
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
Fennel
Harbour
Hare
Haxe
Hush
Hy
iogii
Knight
Lily
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
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Continued Fractions
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
Minesweeper
Morse Decoder
Morse Encoder
Multitap Input
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
Tower of Hanoi
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
Binary Lambda Calculus
Connect Four
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
NFA Simulator
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Bytes
Time
Submitted
Abundant Numbers (Long)
AndreiDTU
87
130ms
2 days ago
Abundant Numbers (Long)
acotis
🥇
79
122ms
6 days ago
Abundant Numbers (Long)
Florian-Mt
87
129ms
10 Dec 2025
Abundant Numbers (Long)
KatieLG
853
224ms
30 Nov 2025
Abundant Numbers (Long)
luuumine
85
127ms
18 Nov 2025
Abundant Numbers (Long)
lynn
🥇
79
133ms
6 Nov 2025
Abundant Numbers (Long)
snoozingnewt
86
131ms
29 Sep 2025
Abundant Numbers (Long)
pardouin
82
126ms
19 Sep 2025
Abundant Numbers (Long)
fuzzylojik-golf
82
128ms
3 Sep 2025
Abundant Numbers (Long)
kumavale
🥇
79
125ms
28 Aug 2025
Abundant Numbers (Long)
CaedenHarper
984
105ms
16 Aug 2025
Abundant Numbers (Long)
DialFrost
82
126ms
5 Apr 2025
Abundant Numbers (Long)
TannerJ07
🥇
79
126ms
5 Apr 2025
Abundant Numbers (Long)
makononov
87
125ms
5 Mar 2025
Abundant Numbers (Long)
emgordon154
82
128ms
18 Feb 2025
Abundant Numbers (Long)
sean-niemann
🥇
79
129ms
5 Feb 2025
Abundant Numbers (Long)
itljan30
86
134ms
26 Jan 2025
Abundant Numbers (Long)
Pale-Vessel
86
121ms
8 Jan 2025
Abundant Numbers (Long)
elituf
🥇
79
124ms
4 Jan 2025
Abundant Numbers (Long)
nullie
🥇
79
128ms
18 Dec 2024
Abundant Numbers (Long)
edsrzf
85
128ms
16 Nov 2024
Abundant Numbers (Long)
MeWhenI
80
124ms
27 Oct 2024
Abundant Numbers (Long)
stackofbears
80
123ms
22 Oct 2024
Abundant Numbers (Long)
ludwigschlame
🥇
79
129ms
24 Sep 2024
Abundant Numbers (Long)
Mabeloid
984
105ms
18 Sep 2024
Abundant Numbers (Long)
wuzekai518
85
129ms
5 Aug 2024
Abundant Numbers (Long)
dokutan
92
124ms
24 Jun 2024
Abundant Numbers (Long)
Aurel300
85
125ms
6 Jun 2024
Abundant Numbers (Long)
HumanoidCPU
984
109ms
17 May 2024
Abundant Numbers (Long)
TheMadRey
97
119ms
4 Mar 2024
Abundant Numbers (Long)
okaponta
90
131ms
13 Jan 2024
Abundant Numbers (Long)
drabart
85
125ms
15 Dec 2023
Abundant Numbers (Long)
tayu0110
95
135ms
16 Nov 2023
Abundant Numbers (Long)
malworthy
88
132ms
30 Oct 2023
Abundant Numbers (Long)
ovs-code
80
125ms
22 Oct 2023
Abundant Numbers (Long)
stefangimmillaro
80
130ms
1 Oct 2023
Abundant Numbers (Long)
msbranicky
🥇
79
130ms
1 Oct 2023
Abundant Numbers (Long)
elgan65536
85
130ms
24 Sep 2023
Abundant Numbers (Long)
StronkCheese
93
117ms
14 Sep 2023
Abundant Numbers (Long)
mduckles
149
132ms
10 Sep 2023
Abundant Numbers (Long)
Re-Adventures
85
128ms
9 Jun 2023
Abundant Numbers (Long)
StHagel
88
127ms
25 May 2023
Abundant Numbers (Long)
Steffan153
🥇
79
128ms
25 Mar 2023
Abundant Numbers (Long)
Shanethegamer
82
123ms
13 Mar 2023
Abundant Numbers (Long)
sona-tau
98
128ms
10 Mar 2023
Abundant Numbers (Long)
scpchicken
86
130ms
23 Jan 2023
Abundant Numbers (Long)
Betuaredead
93
119ms
7 Jan 2023
Abundant Numbers (Long)
prplz
83
129ms
3 Jan 2023
Abundant Numbers (Long)
retrohun
984
106ms
27 Dec 2022
Abundant Numbers (Long)
NoUselessTech
95
124ms
21 Dec 2022
Abundant Numbers (Long)
JGDoerrer
87
125ms
20 Dec 2022
Abundant Numbers (Long)
nipzu
🥇
79
134ms
17 Dec 2022
Abundant Numbers (Long)
aDwarfNamedUrist
94
122ms
12 Dec 2022
Abundant Numbers (Long)
snobee
🥇
79
128ms
10 Dec 2022
Abundant Numbers (Long)
klixel
🥇
79
135ms
5 Dec 2022
Abundant Numbers (Long)
wrose100
96
123ms
5 Dec 2022
Abundant Numbers (Long)
Omega65536
86
126ms
22 Nov 2022
Abundant Numbers (Long)
ian-h-chamberlain
🥇
79
126ms
21 Nov 2022
Abundant Numbers (Long)
KatieLG-Transpiler
1,233
110ms
21 Nov 2022
Abundant Numbers (Long)
Lydxn
🥇
79
125ms
20 Nov 2022
Abundant Numbers (Long)
andersk
🥇
79
125ms
20 Nov 2022
Abundant Numbers (Long)
primo-ppcg
80
126ms
20 Nov 2022
Abundant Numbers (Long)
JayXon
🥇
79
133ms
19 Nov 2022
Abundant Numbers (Long)
GrayJoKing
🥇
79
132ms
19 Nov 2022