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
Alphabetic Numbers
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
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
All Languages
><>
ALGOL 68
ArkScript
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
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
ArkScript
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
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
Alphabetic Numbers
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
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Taxicab Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Abundant Numbers
kasarino
90
371ms
4 days ago
Abundant Numbers
noahdorsch
146
398ms
8 days ago
Abundant Numbers
bpharaldsson
93
392ms
12 days ago
Abundant Numbers
bilal2709
83
428ms
26 Jan 2026
Abundant Numbers
qrakhen
95
394ms
12 Jan 2026
Abundant Numbers
Shanethegamer
85
378ms
11 Jan 2026
Abundant Numbers
mwarvik
181
426ms
5 Jan 2026
Abundant Numbers
michelebastione
93
423ms
25 Dec 2025
Abundant Numbers
amazingalek
91
410ms
22 Dec 2025
Abundant Numbers
DialFrost
83
510ms
15 Dec 2025
Abundant Numbers
CaedenHarper
85
368ms
19 Oct 2025
Abundant Numbers
snoozingnewt
86
356ms
9 Oct 2025
Abundant Numbers
albanian-laundromat
89
370ms
30 Sep 2025
Abundant Numbers
tomh1012
85
384ms
28 Aug 2025
Abundant Numbers
fuzzylojik-golf
83
367ms
28 Aug 2025
Abundant Numbers
Grabnukebomb
92
383ms
10 Jul 2025
Abundant Numbers
sean-niemann
🥉
64
381ms
8 Jul 2025
Abundant Numbers
OmameBeans
118
370ms
26 Jun 2025
Abundant Numbers
okuzmeniuk
119
385ms
24 Jun 2025
Abundant Numbers
razvandmtr
86
415ms
20 Jun 2025
Abundant Numbers
mntdn
125
377ms
18 Jun 2025
Abundant Numbers
Ripick
88
362ms
14 Jun 2025
Abundant Numbers
Illuminum2
85
364ms
22 May 2025
Abundant Numbers
janbehrens
84
398ms
17 Apr 2025
Abundant Numbers
Re-Adventures
84
393ms
15 Apr 2025
Abundant Numbers
GrayJoKing
84
414ms
12 Apr 2025
Abundant Numbers
annaproxy
84
426ms
11 Apr 2025
Abundant Numbers
dokutan
85
379ms
9 Apr 2025
Abundant Numbers
kevinnaviapaiva
134
375ms
6 Mar 2025
Abundant Numbers
cryptoriddlerUIO
110
375ms
2 Mar 2025
Abundant Numbers
TRexOnGit
85
370ms
27 Feb 2025
Abundant Numbers
Yax42
🥉
64
419ms
9 Feb 2025
Abundant Numbers
dorschmeister
91
409ms
23 Dec 2024
Abundant Numbers
arcpolaris
85
384ms
13 Dec 2024
Abundant Numbers
JTrainor11
104
413ms
1 Nov 2024
Abundant Numbers
orifu
126
446ms
29 Oct 2024
Abundant Numbers
najs91
89
431ms
14 Oct 2024
Abundant Numbers
Mabeloid
225
356ms
18 Sep 2024
Abundant Numbers
ertz1ertz
91
397ms
12 Sep 2024
Abundant Numbers
hippopotam00sehead
100
356ms
11 Sep 2024
Abundant Numbers
Mikey-Beep
93
351ms
2 Sep 2024
Abundant Numbers
HumanoidCPU
181
358ms
24 Aug 2024
Abundant Numbers
Steffan153
🥉
64
395ms
9 Aug 2024
Abundant Numbers
alicethecatwhisperermeow
89
367ms
7 Aug 2024
Abundant Numbers
rifatx
83
393ms
7 Jul 2024
Abundant Numbers
KatieLG
89
374ms
28 Apr 2024
Abundant Numbers
JarrodCope
107
363ms
19 Apr 2024
Abundant Numbers
Theremon72
91
350ms
17 Feb 2024
Abundant Numbers
namelessiw
🥉
64
402ms
12 Dec 2023
Abundant Numbers
ElysiaVesper
90
356ms
19 Nov 2023
Abundant Numbers
iPablol
96
367ms
25 Oct 2023
Abundant Numbers
BenScattergood
86
368ms
23 Sep 2023
Abundant Numbers
demonischuk
110
358ms
23 Sep 2023
Abundant Numbers
Shnapster
90
382ms
23 Sep 2023
Abundant Numbers
carlpeter
208
368ms
4 Sep 2023
Abundant Numbers
msbranicky
92
361ms
22 Aug 2023
Abundant Numbers
Pyro569
92
375ms
31 Jul 2023
Abundant Numbers
MeWhenI
🥉
64
408ms
26 Jul 2023
Abundant Numbers
postie77
85
376ms
26 Jul 2023
Abundant Numbers
stefangimmillaro
🥉
64
405ms
17 Jul 2023
Abundant Numbers
onlmusha1
105
400ms
8 Jul 2023
Abundant Numbers
khaidigidinos
106
376ms
22 Jun 2023
Abundant Numbers
arctouch-cristiannevianna
83
386ms
9 Jun 2023
Abundant Numbers
AdrienHache
🥉
64
377ms
31 May 2023
Abundant Numbers
Matgc04
83
384ms
25 May 2023
Abundant Numbers
Adix-null
88
390ms
17 May 2023
Abundant Numbers
Yewzir
85
358ms
8 May 2023
Abundant Numbers
Firefox760
91
372ms
23 Apr 2023
Abundant Numbers
bwat2
87
349ms
6 Apr 2023
Abundant Numbers
btnlq
🥉
64
403ms
10 Mar 2023
Abundant Numbers
CatsAreFluffy
87
350ms
18 Feb 2023
Abundant Numbers
TimJackMaster
89
389ms
16 Feb 2023
Abundant Numbers
StronkCheese
100
367ms
3 Feb 2023
Abundant Numbers
JayXon
🥇
63
370ms
30 Jan 2023
Abundant Numbers
Lydxn
🥇
63
382ms
29 Jan 2023
Abundant Numbers
Betuaredead
84
382ms
7 Jan 2023
Abundant Numbers
retrohun
225
360ms
27 Dec 2022
Abundant Numbers
FrederikHutfless
97
380ms
22 Dec 2022
Abundant Numbers
astdefu
88
377ms
13 Dec 2022
Abundant Numbers
ChrisTheisen
88
367ms
12 Dec 2022