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
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
Minesweeper
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
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
Calendar
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
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
><>
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
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
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
ALGOL 68
APL
Arturo
Befunge
BQN
CJam
CoffeeScript
Egel
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
Minesweeper
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
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
Calendar
Connect Four
Continued Fractions
Crossword
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Multitap Input
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
Chars
Time
Submitted
Ascending Primes
Lv0Sys
88
1,189ms
15 hours ago
Ascending Primes
lboust
180
2,196ms
20 hours ago
Ascending Primes
ryyyn
71
1,202ms
38 hours ago
Ascending Primes
ovs-code
💎
74
100ms
42 hours ago
Ascending Primes
HumanoidCPU
565
227ms
3 days ago
Ascending Primes
JOrE20
🥉
421
8ms
3 days ago
Ascending Primes
snoozingnewt
132
759ms
4 days ago
Ascending Primes
kmathis22
144
1,214ms
4 days ago
Ascending Primes
D-MOVE
76
2,969ms
4 days ago
Ascending Primes
edsrzf
💎
131
4,767ms
5 days ago
Ascending Primes
Shanethegamer
532
110ms
6 days ago
Ascending Primes
xsot
💎
66
811ms
6 days ago
Ascending Primes
JOrE20
431
10ms
6 days ago
Ascending Primes
edsrzf
78
1,190ms
6 days ago
Ascending Primes
edsrzf
🥈
70
829ms
6 days ago
Ascending Primes
prestosilver
528
2ms
6 days ago
Ascending Primes
dokutan
183
2ms
7 days ago
Ascending Primes
AlephSquirrel
43
2,622ms
7 days ago
Ascending Primes
bricknellj
75
1,233ms
7 days ago
Ascending Primes
bizy-coder
70
1,206ms
7 days ago
Ascending Primes
duckyluuk
68
1,422ms
7 days ago
Ascending Primes
KasperKivimaeki
102
4,575ms
7 days ago
Ascending Primes
kimgroshaeny
294
358ms
8 days ago
Ascending Primes
HPWiz
68
1,153ms
8 days ago
Ascending Primes
EvilFonti
120
4,810ms
8 days ago
Ascending Primes
edsrzf
💎
87
4,511ms
8 days ago
Ascending Primes
edsrzf
🥉
133
3,881ms
8 days ago
Ascending Primes
edsrzf
🥈
97
4,570ms
8 days ago
Ascending Primes
sisyphus-ppcg
44
142ms
8 days ago
Ascending Primes
edsrzf
🥇
105
2,156ms
8 days ago
Ascending Primes
CaedenHarper
633
99ms
8 days ago
Ascending Primes
dokutan
282
33ms
8 days ago
Ascending Primes
solisolu
121
55ms
9 days ago
Ascending Primes
sisyphus-ppcg
🥇
65
10ms
9 days ago
Ascending Primes
sisyphus-ppcg
🥇
59
1,319ms
9 days ago
Ascending Primes
sisyphus-ppcg
64
257ms
9 days ago
Ascending Primes
emgordon154
🥈
134
4,490ms
9 days ago
Ascending Primes
KatieLG
456
1,184ms
9 days ago
Ascending Primes
KatieLG
446
116ms
9 days ago
Ascending Primes
KatieLG
425
6ms
9 days ago
Ascending Primes
KatieLG
450
94ms
9 days ago
Ascending Primes
KatieLG
449
629ms
9 days ago
Ascending Primes
KatieLG
434
78ms
9 days ago
Ascending Primes
KatieLG
464
291ms
9 days ago
Ascending Primes
KatieLG
456
154ms
9 days ago
Ascending Primes
KatieLG
469
64ms
9 days ago
Ascending Primes
KatieLG
467
216ms
9 days ago
Ascending Primes
KatieLG
529
641ms
9 days ago
Ascending Primes
KatieLG
408
3ms
9 days ago
Ascending Primes
KatieLG
465
6ms
9 days ago
Ascending Primes
KatieLG
450
4,431ms
9 days ago
Ascending Primes
KatieLG
484
404ms
9 days ago
Ascending Primes
KatieLG
519
255ms
9 days ago
Ascending Primes
KatieLG
474
100ms
9 days ago
Ascending Primes
KatieLG
508
8ms
9 days ago
Ascending Primes
KatieLG
489
2ms
9 days ago
Ascending Primes
KatieLG
464
121ms
9 days ago
Ascending Primes
DialFrost
🥉
138
4,455ms
10 days ago
Ascending Primes
h3ra993huskp
140
765ms
10 days ago
Ascending Primes
xsot
🥇
59
1,253ms
11 days ago
Ascending Primes
lacrosse
76
4,466ms
11 days ago
Ascending Primes
blaztoma
154
4,859ms
11 days ago
Ascending Primes
CaedenHarper
176
482ms
11 days ago
Ascending Primes
CaedenHarper
85
1,483ms
11 days ago
Ascending Primes
CaedenHarper
88
1,281ms
11 days ago
Ascending Primes
CaedenHarper
81
803ms
11 days ago
Ascending Primes
CommandLeo
87
1,186ms
11 days ago
Ascending Primes
duckyluuk
💎
153
4,258ms
12 days ago
Ascending Primes
HumanoidCPU
547
47ms
12 days ago
Ascending Primes
duckyluuk
70
1,203ms
12 days ago
Ascending Primes
MeWhenI
84
1,272ms
12 days ago
Ascending Primes
JOrE20
🥈
616
3ms
12 days ago
Ascending Primes
JOrE20
513
36ms
12 days ago
Ascending Primes
KasperKivimaeki
104
897ms
12 days ago
Ascending Primes
Andrey2001
143
4,940ms
13 days ago