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
Gray Code Decoder
Gray Code Encoder
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
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
Gray Code Decoder
Gray Code Encoder
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
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
Bytes
Time
Submitted
Tongue-twisters
jusaka
530
7ms
16 mins ago
Tongue-twisters
jusaka
535
16ms
18 mins ago
Tongue-twisters
jusaka
530
4ms
20 mins ago
Tongue-twisters
MeWhenI
💎
476
1,857ms
59 mins ago
Tongue-twisters
jusaka
551
3ms
62 mins ago
Tongue-twisters
jusaka
534
260ms
63 mins ago
Tongue-twisters
jusaka
583
183ms
63 mins ago
Tongue-twisters
jusaka
551
3ms
77 mins ago
Tongue-twisters
jusaka
540
4ms
77 mins ago
Tongue-twisters
jusaka
559
95ms
77 mins ago
Tongue-twisters
jusaka
542
81ms
78 mins ago
Tongue-twisters
jusaka
547
10ms
78 mins ago
Tongue-twisters
jusaka
542
281ms
78 mins ago
Tongue-twisters
jusaka
551
8ms
78 mins ago
Tongue-twisters
jusaka
593
350ms
78 mins ago
Tongue-twisters
jusaka
551
183ms
79 mins ago
Tongue-twisters
jusaka
544
191ms
79 mins ago
Tongue-twisters
jusaka
608
413ms
79 mins ago
Tongue-twisters
jusaka
568
79ms
79 mins ago
Tongue-twisters
jusaka
585
89ms
79 mins ago
Tongue-twisters
jusaka
549
160ms
79 mins ago
Tongue-twisters
jusaka
548
18ms
79 mins ago
Tongue-twisters
jusaka
544
1,573ms
80 mins ago
Tongue-twisters
jusaka
546
99ms
80 mins ago
Tongue-twisters
jusaka
575
178ms
80 mins ago
Tongue-twisters
jusaka
543
1,479ms
80 mins ago
Tongue-twisters
jusaka
559
62ms
80 mins ago
Tongue-twisters
jusaka
559
131ms
80 mins ago
Tongue-twisters
jusaka
582
74ms
80 mins ago
Tongue-twisters
jusaka
560
496ms
81 mins ago
Tongue-twisters
jusaka
583
2ms
81 mins ago
Tongue-twisters
jusaka
648
2ms
91 mins ago
Tongue-twisters
jusaka
533
9ms
2 hours ago
Tongue-twisters
jusaka
557
212ms
2 hours ago
Tongue-twisters
jusaka
536
40ms
4 hours ago
Tongue-twisters
jusaka
607
7ms
4 hours ago
Tongue-twisters
jusaka
637
14ms
5 hours ago
Tongue-twisters
jusaka
575
43ms
5 hours ago
Tongue-twisters
jusaka
606
2ms
5 hours ago
Tongue-twisters
jusaka
614
4ms
5 hours ago
Tongue-twisters
jusaka
1,042
11ms
5 hours ago
Tongue-twisters
jusaka
534
2ms
6 hours ago
Tongue-twisters
jusaka
524
3ms
6 hours ago
Tongue-twisters
jusaka
532
4ms
7 hours ago
Tongue-twisters
jusaka
543
100ms
7 hours ago
Tongue-twisters
jusaka
534
42ms
7 hours ago
Tongue-twisters
jusaka
541
2ms
7 hours ago
Tongue-twisters
jusaka
537
6ms
7 hours ago
Tongue-twisters
jusaka
539
2ms
7 hours ago
Tongue-twisters
jusaka
573
1,486ms
8 hours ago
Tongue-twisters
jusaka
746
44ms
8 hours ago
Tongue-twisters
jusaka
547
22ms
9 hours ago
Tongue-twisters
jusaka
553
119ms
9 hours ago
Tongue-twisters
jusaka
534
6ms
9 hours ago
Tongue-twisters
msbranicky
🥈
558
1,674ms
9 hours ago
Tongue-twisters
jusaka
534
651ms
9 hours ago
Tongue-twisters
KatieLG
736
1,698ms
10 hours ago
Tongue-twisters
roupiq
379
10ms
10 hours ago
Tongue-twisters
jusaka
582
336ms
11 hours ago
Tongue-twisters
prestosilver
🥉
596
1,634ms
11 hours ago
Tongue-twisters
jusaka
529
35ms
12 hours ago
Tongue-twisters
zgialor-lab
535
10ms
12 hours ago
Tongue-twisters
jusaka
531
2ms
12 hours ago
Tongue-twisters
jusaka
533
3ms
12 hours ago
Tongue-twisters
jusaka
531
11ms
13 hours ago
Tongue-twisters
jusaka
🥉
596
1,673ms
15 hours ago
Tongue-twisters
jusaka
321
10ms
15 hours ago
Tongue-twisters
HumanoidCPU
597
1,693ms
26 hours ago
Tongue-twisters
CaedenHarper
597
1,630ms
29 hours ago
Tongue-twisters
dokutan
597
1,693ms
30 hours ago
Tongue-twisters
kasarino
500
43ms
34 hours ago
Tongue-twisters
scpchicken
306
3ms
47 hours ago
Tongue-twisters
scpchicken
308
10ms
47 hours ago
Tongue-twisters
tails618
404
10ms
2 days ago
Tongue-twisters
flekAI
321
389ms
3 days ago
Tongue-twisters
flekAI
321
10ms
3 days ago
Tongue-twisters
jusaka
291
3ms
4 days ago
Tongue-twisters
emgordon154
321
70ms
4 days ago
Tongue-twisters
kevinnaviapaiva
612
3ms
4 days ago
Tongue-twisters
kumavale
348
219ms
4 days ago