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
Chars
Time
Submitted
Diamonds
Steffan153
56
378ms
2 days ago
Diamonds
RodAlc24
148
10ms
2 days ago
Diamonds
TheSecondComing123
152
435ms
3 days ago
Diamonds
TheSecondComing123
125
10ms
3 days ago
Diamonds
GrayJoKing
💎
95
6ms
5 days ago
Diamonds
dokutan
🥈
363
13ms
6 days ago
Diamonds
D-MOVE
73
35ms
6 days ago
Diamonds
retrohun
114
10ms
7 days ago
Diamonds
retrohun
95
1ms
7 days ago
Diamonds
CaedenHarper
🥉
1,290
6ms
7 days ago
Diamonds
KatieLG
1,111
2ms
8 days ago
Diamonds
KatieLG
1,335
7ms
8 days ago
Diamonds
JOrE20
1,863
2ms
8 days ago
Diamonds
JOrE20
🥉
1,286
5ms
8 days ago
Diamonds
Steffan153
199
2ms
10 days ago
Diamonds
Wolf145
480
2,857ms
10 days ago
Diamonds
Flekay
73
17ms
14 days ago
Diamonds
JOrE20
190
10ms
14 days ago
Diamonds
JOrE20
90
9ms
15 days ago
Diamonds
dokutan
81
414ms
15 days ago
Diamonds
frankgraziano
112
3ms
15 days ago
Diamonds
Steffan153
🥇
69
728ms
15 days ago
Diamonds
Steffan153
💎
76
2ms
16 days ago
Diamonds
snoozingnewt
73
19ms
16 days ago
Diamonds
snoozingnewt
73
421ms
16 days ago
Diamonds
Steffan153
65
4ms
17 days ago
Diamonds
Jonson26
165
9ms
18 days ago
Diamonds
Steffan153
🥉
114
380ms
18 days ago
Diamonds
CornerMercury
1,110
1,300ms
18 days ago
Diamonds
CornerMercury
1,110
34ms
18 days ago
Diamonds
ndren
1,110
35ms
18 days ago
Diamonds
JOrE20
203
60ms
20 days ago
Diamonds
Yewzir
174
1ms
20 days ago
Diamonds
tomh1012
241
1,187ms
20 days ago
Diamonds
tomh1012
188
35ms
20 days ago
Diamonds
tomh1012
177
359ms
20 days ago
Diamonds
retrohun
1,199
1ms
20 days ago
Diamonds
AstroOrbis
123
10ms
20 days ago
Diamonds
AstroOrbis
333
1,527ms
21 days ago
Diamonds
dokutan
90
62ms
21 days ago
Diamonds
Shanethegamer
1,110
3ms
22 days ago
Diamonds
Shanethegamer
1,115
1ms
22 days ago
Diamonds
Blendi-Goose
139
2ms
23 days ago
Diamonds
HumanoidCPU
1,115
1ms
23 days ago
Diamonds
edsrzf
🥉
82
3ms
24 days ago
Diamonds
snoozingnewt
🥉
131
79ms
25 days ago
Diamonds
edsrzf
💎
112
29ms
26 days ago
Diamonds
Andrey2001
1,109
1,255ms
27 days ago
Diamonds
Andrey2001
1,109
34ms
27 days ago
Diamonds
dokutan
155
437ms
1 Feb 2026
Diamonds
plcc0
33
105ms
31 Jan 2026
Diamonds
sean-niemann
🥇
69
678ms
30 Jan 2026
Diamonds
duckyluuk
220
2ms
28 Jan 2026
Diamonds
mossiegoat
1,115
10ms
28 Jan 2026
Diamonds
JayXon
💎
101
110ms
28 Jan 2026
Diamonds
sean-niemann
🥈
102
103ms
28 Jan 2026
Diamonds
JOrE20
702
106ms
27 Jan 2026
Diamonds
JOrE20
1,159
3ms
27 Jan 2026
Diamonds
2bular
18
22ms
27 Jan 2026
Diamonds
jameswmccarty
1,115
9ms
26 Jan 2026
Diamonds
ryyyn
74
10ms
26 Jan 2026
Diamonds
kg583
103
5ms
25 Jan 2026
Diamonds
dokutan
100
72ms
23 Jan 2026
Diamonds
annihilateRed0
203
63ms
23 Jan 2026
Diamonds
retrohun
1,373
1,677ms
23 Jan 2026
Diamonds
Imsmelkov
281
408ms
22 Jan 2026
Diamonds
padril
54
4ms
21 Jan 2026
Diamonds
amazingalek
142
392ms
21 Jan 2026
Diamonds
commandz0
36
4ms
21 Jan 2026
Diamonds
NicoBliss
57
4ms
20 Jan 2026
Diamonds
Yax42
109
10ms
20 Jan 2026
Diamonds
dokutan
154
2ms
16 Jan 2026
Diamonds
lelbal
83
10ms
16 Jan 2026
Diamonds
IISResetMe
92
245ms
15 Jan 2026
Diamonds
dokutan
136
2,242ms
15 Jan 2026
Diamonds
Yax42
126
395ms
15 Jan 2026
Diamonds
Yax42
105
3ms
15 Jan 2026
Diamonds
dokutan
127
9ms
14 Jan 2026
Diamonds
dokutan
75
36ms
14 Jan 2026
Diamonds
dokutan
82
10ms
14 Jan 2026