The
Nim
hole will go live in approximately
10 hours
. Why not try and solve it ahead of time?
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)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Connect Four
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
Apéry’s Constant
Binary Lambda Calculus
Chess960 Decoder
Chess960 Encoder
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
Ulam Sequence
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
iogii
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
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
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
iogii
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
Knight
Lily
Luau
Odin
Picat
Qore
Racket
Rebol
Rexx
Scala
Squirrel
Stax
Uiua
Umka
Vala
Vyxal
ZuzuScript
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Alphabetic Numbers
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Calendar
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
Connect Four
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
Apéry’s Constant
Binary Lambda Calculus
Chess960 Decoder
Chess960 Encoder
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
Ulam Sequence
Hole
Golfer
Bytes
Time
Submitted
Pernicious Numbers
scpchicken
🥇
38
401ms
11 days ago
Pernicious Numbers
plcc0
40
422ms
16 Apr 2026
Pernicious Numbers
madex
51
458ms
29 Mar 2026
Pernicious Numbers
GolfingSuccess
🥇
38
481ms
13 Mar 2026
Pernicious Numbers
Andrey2001
58
453ms
28 Jan 2026
Pernicious Numbers
TheZwierzLF
84
498ms
7 Dec 2025
Pernicious Numbers
BREMAUCY
39
448ms
6 Dec 2025
Pernicious Numbers
Babafaba
🥇
38
481ms
6 Nov 2025
Pernicious Numbers
snoozingnewt
39
489ms
20 Oct 2025
Pernicious Numbers
CheeseCake628
54
431ms
18 Oct 2025
Pernicious Numbers
CornerMercury
39
435ms
12 Oct 2025
Pernicious Numbers
albanian-laundromat
52
385ms
9 Aug 2025
Pernicious Numbers
duckyluuk
🥇
38
411ms
25 Jul 2025
Pernicious Numbers
fuzzylojik-golf
🥇
38
379ms
17 Jun 2025
Pernicious Numbers
emgordon154
🥇
38
517ms
18 Mar 2025
Pernicious Numbers
Stockoh
55
423ms
3 Mar 2025
Pernicious Numbers
JunkIce
76
449ms
3 Dec 2024
Pernicious Numbers
lifthrasiir
45
509ms
2 Dec 2024
Pernicious Numbers
alemelis
39
702ms
4 Oct 2024
Pernicious Numbers
Mabeloid
83
457ms
3 Oct 2024
Pernicious Numbers
CaedenHarper
🥇
38
442ms
3 Oct 2024
Pernicious Numbers
Kacarott
48
631ms
10 Sep 2024
Pernicious Numbers
b-illy
🥇
38
868ms
7 Sep 2024
Pernicious Numbers
KatieLG-Transpiler
146
462ms
16 Aug 2024
Pernicious Numbers
pardouin
🥇
38
417ms
21 Jun 2024
Pernicious Numbers
MeWhenI
🥇
38
413ms
24 May 2024
Pernicious Numbers
HumanoidCPU
50
474ms
20 May 2024
Pernicious Numbers
Jacob385
89
541ms
13 Apr 2024
Pernicious Numbers
neel11235813
51
452ms
27 Mar 2024
Pernicious Numbers
dokutan
39
471ms
26 Mar 2024
Pernicious Numbers
Shanethegamer
🥇
38
471ms
24 Mar 2024
Pernicious Numbers
lynn
🥇
38
491ms
17 Feb 2024
Pernicious Numbers
xsot
🥇
38
491ms
29 Jan 2024
Pernicious Numbers
Yewzir
🥇
38
442ms
28 Jan 2024
Pernicious Numbers
orthoplex
🥇
38
491ms
24 Jan 2024
Pernicious Numbers
namelessiw
39
498ms
23 Jan 2024
Pernicious Numbers
rucin93
🥇
38
511ms
21 Jan 2024
Pernicious Numbers
m-tkach
🥇
38
500ms
21 Jan 2024
Pernicious Numbers
sean-niemann
🥇
38
516ms
17 Jan 2024
Pernicious Numbers
msbranicky
50
508ms
17 Jan 2024
Pernicious Numbers
sisyphus-ppcg
🥇
38
513ms
16 Jan 2024
Pernicious Numbers
AlephSquirrel
39
529ms
16 Jan 2024
Pernicious Numbers
KatieLG
45
467ms
16 Jan 2024
Pernicious Numbers
DialFrost
🥇
38
483ms
16 Jan 2024
Pernicious Numbers
JayXon
🥇
38
498ms
16 Jan 2024
Pernicious Numbers
kg583
🥇
38
454ms
16 Jan 2024
Pernicious Numbers
inventshah
🥇
38
507ms
16 Jan 2024
Pernicious Numbers
Steffan153
🥇
38
489ms
16 Jan 2024
Pernicious Numbers
Lydxn
🥇
38
425ms
16 Jan 2024
Pernicious Numbers
ovs-code
🥇
38
521ms
16 Jan 2024
Pernicious Numbers
GrayJoKing
🥇
38
507ms
15 Jan 2024
Pernicious Numbers
commandz0
47
432ms
15 Jan 2024
Pernicious Numbers
SirBogman
39
479ms
15 Jan 2024