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
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
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
ArkScript
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
ArkScript
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
Calendar
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
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
Bytes
Time
Submitted
Trinomial Triangle
CornerMercury
66
11ms
3 days ago
Trinomial Triangle
Bmrl7
71
10ms
8 days ago
Trinomial Triangle
051
75
12ms
14 days ago
Trinomial Triangle
Pyroan
83
11ms
15 days ago
Trinomial Triangle
Lv0Sys
70
12ms
20 days ago
Trinomial Triangle
OllieBoyne
71
10ms
20 days ago
Trinomial Triangle
Andrey2001
79
11ms
23 days ago
Trinomial Triangle
snoozingnewt
69
10ms
24 days ago
Trinomial Triangle
JOrE20
88
10ms
24 days ago
Trinomial Triangle
sean-niemann
69
10ms
4 Dec 2025
Trinomial Triangle
KasperKivimaeki
67
10ms
2 Dec 2025
Trinomial Triangle
neihousaigaai
78
10ms
29 Nov 2025
Trinomial Triangle
AidanWalter
401
10ms
28 Nov 2025
Trinomial Triangle
TheZwierzLF
116
9ms
25 Nov 2025
Trinomial Triangle
FortuiteMan
75
13ms
24 Nov 2025
Trinomial Triangle
guilhem-roy
82
9ms
22 Nov 2025
Trinomial Triangle
inventshah
69
10ms
22 Nov 2025
Trinomial Triangle
sunleonid
🥇
64
11ms
22 Nov 2025
Trinomial Triangle
Yewzir
97
9ms
17 Nov 2025
Trinomial Triangle
MeWhenI
65
10ms
14 Nov 2025
Trinomial Triangle
andre-lameirinhas
109
16ms
12 Nov 2025
Trinomial Triangle
aalec
92
9ms
9 Nov 2025
Trinomial Triangle
solisolu
70
12ms
8 Nov 2025
Trinomial Triangle
kg583
65
10ms
4 Nov 2025
Trinomial Triangle
Seek64
🥇
64
10ms
4 Nov 2025
Trinomial Triangle
webmiche
114
9ms
2 Nov 2025
Trinomial Triangle
Babafaba
67
11ms
31 Oct 2025
Trinomial Triangle
2Fabi1
80
13ms
29 Oct 2025
Trinomial Triangle
fredrik-bakke
80
11ms
26 Oct 2025
Trinomial Triangle
syyynth
2,079
11ms
25 Oct 2025
Trinomial Triangle
hiichbindermax
74
10ms
25 Oct 2025
Trinomial Triangle
dvckyduck
109
10ms
24 Oct 2025
Trinomial Triangle
DrakeSeteraO
78
11ms
24 Oct 2025
Trinomial Triangle
DGipe
146
13ms
21 Oct 2025
Trinomial Triangle
mathieurodic
114
9ms
21 Oct 2025
Trinomial Triangle
robin-scragg
148
9ms
21 Oct 2025
Trinomial Triangle
ryyyn
67
10ms
19 Oct 2025
Trinomial Triangle
lynn
🥇
64
11ms
16 Oct 2025
Trinomial Triangle
luuumine
71
11ms
14 Oct 2025
Trinomial Triangle
Mabeloid
86
10ms
14 Oct 2025
Trinomial Triangle
celiendonze
107
10ms
14 Oct 2025
Trinomial Triangle
Artemis21
76
10ms
12 Oct 2025
Trinomial Triangle
VictorStenvers
87
11ms
12 Oct 2025
Trinomial Triangle
brochmann
137
12ms
12 Oct 2025
Trinomial Triangle
FlorianCassayre
79
11ms
11 Oct 2025
Trinomial Triangle
lucasvazq
84
9ms
11 Oct 2025
Trinomial Triangle
cros107
70
11ms
10 Oct 2025
Trinomial Triangle
zacjl
🥇
64
13ms
8 Oct 2025
Trinomial Triangle
SB-945
70
10ms
8 Oct 2025
Trinomial Triangle
jacekwladzinski
72
10ms
7 Oct 2025
Trinomial Triangle
changqi97
72
11ms
7 Oct 2025
Trinomial Triangle
yasna-nsh
81
10ms
7 Oct 2025
Trinomial Triangle
edsrzf
66
10ms
7 Oct 2025
Trinomial Triangle
InigoK
69
11ms
7 Oct 2025
Trinomial Triangle
Emutis
89
10ms
6 Oct 2025
Trinomial Triangle
brimstonetrader
166
9ms
6 Oct 2025
Trinomial Triangle
jtaxen
71
11ms
6 Oct 2025
Trinomial Triangle
rollershutter
71
11ms
6 Oct 2025
Trinomial Triangle
RYNO8
72
10ms
6 Oct 2025
Trinomial Triangle
starfihs
🥇
64
11ms
5 Oct 2025
Trinomial Triangle
Mikey-Beep
76
11ms
5 Oct 2025
Trinomial Triangle
jared-hughes
67
10ms
5 Oct 2025
Trinomial Triangle
mbittner20
106
9ms
5 Oct 2025
Trinomial Triangle
JayXon
🥇
64
10ms
5 Oct 2025
Trinomial Triangle
rucin93
70
10ms
4 Oct 2025
Trinomial Triangle
annaproxy
67
10ms
4 Oct 2025
Trinomial Triangle
klixel
71
10ms
4 Oct 2025
Trinomial Triangle
plcc0
66
10ms
4 Oct 2025
Trinomial Triangle
andrewjc2000
96
20ms
3 Oct 2025
Trinomial Triangle
nstearns96
89
9ms
3 Oct 2025
Trinomial Triangle
ndren
67
11ms
2 Oct 2025
Trinomial Triangle
namelessiw
107
30ms
2 Oct 2025
Trinomial Triangle
Openstreetmapler
2,147
10ms
2 Oct 2025
Trinomial Triangle
ovs-code
🥇
64
11ms
1 Oct 2025
Trinomial Triangle
ShikChen
72
11ms
1 Oct 2025
Trinomial Triangle
madex
144
16ms
1 Oct 2025
Trinomial Triangle
jatloe
67
10ms
1 Oct 2025
Trinomial Triangle
BREMAUCY
71
10ms
1 Oct 2025
Trinomial Triangle
duckyluuk
69
11ms
1 Oct 2025
Trinomial Triangle
KatieLG
69
11ms
1 Oct 2025