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)
Taxicab Numbers
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
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic 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)
Taxicab Numbers
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
Dragon Curve
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Hexagonal Spiral
Highly Composite Numbers
Huffman Encoder
NFA Simulator
Nim
Numbrix
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Rectangle Fill
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Billiards
sean-niemann
💎
155
4ms
4 hours ago
Billiards
codereport
🥈
48
34ms
7 hours ago
Billiards
zgialor-lab
242
18ms
8 hours ago
Billiards
edsrzf
🥈
211
108ms
24 hours ago
Billiards
MeWhenI
💎
199
135ms
28 hours ago
Billiards
2bular
💎
41
33ms
43 hours ago
Billiards
samnak2
242
11ms
3 days ago
Billiards
NameRandomString
🥉
314
26ms
4 days ago
Billiards
mantaslu
199
11ms
4 days ago
Billiards
vang1ong7ang
245
284ms
4 days ago
Billiards
emgordon154
246
3ms
5 days ago
Billiards
vang1ong7ang
162
11ms
6 days ago
Billiards
vang1ong7ang
105
58ms
6 days ago
Billiards
FortuiteMan
328
255ms
6 days ago
Billiards
edsrzf
206
2,720ms
7 days ago
Billiards
scpchicken
🥉
124
6ms
8 days ago
Billiards
emgordon154
💎
352
1,676ms
10 days ago
Billiards
Jacob385
352
449ms
10 days ago
Billiards
Herbert00709
160
3ms
11 days ago
Billiards
Herbert00709
🥈
177
1,415ms
11 days ago
Billiards
retrohun
194
4ms
11 days ago
Billiards
MeWhenI
🥈
386
1,775ms
15 days ago
Billiards
KatieLG
🥉
22,112
1,739ms
15 days ago
Billiards
edsrzf
💎
254
85ms
16 days ago
Billiards
prestosilver
272
413ms
17 days ago
Billiards
Emutis
194
11ms
17 days ago
Billiards
albanian-laundromat
💎
363
1,222ms
19 days ago
Billiards
emgordon154
🥈
364
1,238ms
19 days ago
Billiards
KatieLG
197
50ms
19 days ago
Billiards
albanian-laundromat
🥉
226
62ms
21 days ago
Billiards
albanian-laundromat
🥈
260
1,610ms
21 days ago
Billiards
CaedenHarper
81
82ms
21 days ago
Billiards
snoozingnewt
💎
209
117ms
23 days ago
Billiards
scpchicken
111
20ms
24 days ago
Billiards
Steffan153
🥈
118
1,709ms
26 days ago
Billiards
Steffan153
105
19ms
26 days ago
Billiards
Natanaelel
180
157ms
27 days ago
Billiards
MostParsingVex
💎
147
5ms
1 Apr 2026
Billiards
madeforlosers
288
15ms
30 Mar 2026
Billiards
StefanHabel
349
19ms
29 Mar 2026
Billiards
professor-l
169
14ms
28 Mar 2026
Billiards
aksyristos
162
11ms
27 Mar 2026
Billiards
Seek64
157
46ms
26 Mar 2026
Billiards
Apfelvater
266
11ms
26 Mar 2026
Billiards
CaedenHarper
266
458ms
22 Mar 2026
Billiards
kg583
🥈
269
83ms
21 Mar 2026
Billiards
pardouin
💎
68
41ms
19 Mar 2026
Billiards
kg583
🥈
122
24ms
18 Mar 2026
Billiards
solisolu
207
37ms
18 Mar 2026
Billiards
albanian-laundromat
💎
213
45ms
18 Mar 2026
Billiards
albanian-laundromat
201
26ms
18 Mar 2026
Billiards
albanian-laundromat
🥉
303
30ms
17 Mar 2026
Billiards
Steffan153
🥈
71
41ms
16 Mar 2026
Billiards
kg583
🥈
120
7ms
15 Mar 2026
Billiards
blaztoma
🥈
114
4ms
11 Mar 2026
Billiards
edsrzf
💎
167
9ms
10 Mar 2026
Billiards
edsrzf
🥈
198
5ms
7 Mar 2026
Billiards
edsrzf
🥈
166
4ms
7 Mar 2026
Billiards
edsrzf
🥉
228
6ms
7 Mar 2026
Billiards
emgordon154
🥈
169
10ms
7 Mar 2026
Billiards
snoozingnewt
105
495ms
5 Mar 2026
Billiards
snoozingnewt
106
20ms
5 Mar 2026
Billiards
targrik
🥉
156
13ms
5 Mar 2026
Billiards
snoozingnewt
💎
111
124ms
5 Mar 2026
Billiards
plcc0
113
443ms
3 Mar 2026
Billiards
tomh1012
374
31ms
2 Mar 2026
Billiards
KasperKivimaeki
🥉
178
439ms
1 Mar 2026
Billiards
pardouin
185
454ms
1 Mar 2026
Billiards
pardouin
161
3ms
1 Mar 2026
Billiards
edsrzf
🥈
176
197ms
28 Feb 2026
Billiards
Protothor
263
10ms
27 Feb 2026
Billiards
Steffan153
107
470ms
26 Feb 2026
Billiards
JOrE20
🥈
258
57ms
24 Feb 2026
Billiards
bitsandbeyond
💎
93
348ms
23 Feb 2026
Billiards
Lv0Sys
141
12ms
22 Feb 2026
Billiards
Lv0Sys
218
17ms
22 Feb 2026
Billiards
JOrE20
118
12ms
20 Feb 2026
Billiards
Natanaelel
39
44ms
17 Feb 2026
Billiards
tomh1012
356
419ms
17 Feb 2026
Billiards
Flekay
132
13ms
15 Feb 2026
Billiards
Steffan153
💎
106
885ms
15 Feb 2026
Billiards
dokutan
211
414ms
14 Feb 2026
Billiards
edsrzf
🥈
118
1,321ms
14 Feb 2026
Billiards
edsrzf
🥈
166
111ms
12 Feb 2026
Billiards
Steffan153
💎
165
113ms
12 Feb 2026
Billiards
edsrzf
💎
179
2ms
12 Feb 2026
Billiards
albanian-laundromat
283
59ms
12 Feb 2026
Billiards
edsrzf
💎
238
30ms
10 Feb 2026
Billiards
Shanethegamer
🥈
254
30ms
10 Feb 2026
Billiards
sean-niemann
💎
245
27ms
9 Feb 2026
Billiards
dokutan
220
81ms
8 Feb 2026
Billiards
JOrE20
999
3ms
2 Feb 2026
Billiards
ryyyn
168
749ms
2 Feb 2026
Billiards
Heathcorp
🥈
1,222
3ms
1 Feb 2026
Billiards
Heathcorp
188
11ms
31 Jan 2026
Billiards
albanian-laundromat
226
331ms
29 Jan 2026
Billiards
emplv
🥉
148
154ms
28 Jan 2026
Billiards
edsrzf
💎
118
6ms
25 Jan 2026
Billiards
ehulinsky
696
6ms
24 Jan 2026
Billiards
blaztoma
106
45ms
18 Jan 2026