The
Nim
hole will go live in approximately
6 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
QR Decoder
CaedenHarper
178
10ms
4 days ago
QR Decoder
TaserTheFox
309
11ms
7 days ago
QR Decoder
zzh1996
167
17ms
11 days ago
QR Decoder
codereport
164
20ms
25 days ago
QR Decoder
JOrE20
278
17ms
26 days ago
QR Decoder
scpchicken
198
19ms
26 days ago
QR Decoder
mossiegoat
263
18ms
27 May 2026
QR Decoder
Andrey2001
371
19ms
25 May 2026
QR Decoder
oaiqjuy
215
10ms
23 May 2026
QR Decoder
sisyphus-gpt
167
19ms
16 May 2026
QR Decoder
blaztoma
154
11ms
3 May 2026
QR Decoder
LostSyntax21
196
18ms
3 May 2026
QR Decoder
vang1ong7ang
185
10ms
25 Apr 2026
QR Decoder
MeWhenI
155
16ms
24 Apr 2026
QR Decoder
CornerMercury
199
17ms
19 Apr 2026
QR Decoder
roupiq
348
11ms
11 Apr 2026
QR Decoder
snoozingnewt
195
20ms
7 Apr 2026
QR Decoder
firegene
238
18ms
30 Mar 2026
QR Decoder
Flekay
193
14ms
27 Mar 2026
QR Decoder
aksyristos
251
17ms
26 Mar 2026
QR Decoder
madex
273
19ms
21 Mar 2026
QR Decoder
StefanHabel
207
12ms
9 Mar 2026
QR Decoder
tomh1012
382
18ms
4 Mar 2026
QR Decoder
RainVniaR
160
10ms
28 Feb 2026
QR Decoder
kg583
180
18ms
28 Feb 2026
QR Decoder
AstroOrbis
245
25ms
22 Feb 2026
QR Decoder
plcc0
186
19ms
20 Feb 2026
QR Decoder
nemoyatpeace
282
17ms
12 Jan 2026
QR Decoder
TheZwierzLF
320
12ms
6 Jan 2026
QR Decoder
edsrzf
171
25ms
16 Dec 2025
QR Decoder
ryyyn
163
17ms
9 Dec 2025
QR Decoder
AidanWalter
2,289
12ms
28 Nov 2025
QR Decoder
Seek64
170
11ms
27 Nov 2025
QR Decoder
qpwoeirut
297
20ms
24 Nov 2025
QR Decoder
te-chnical
260
25ms
18 Nov 2025
QR Decoder
Babafaba
249
18ms
29 Oct 2025
QR Decoder
emgordon154
198
15ms
16 Oct 2025
QR Decoder
InigoK
214
19ms
22 Sep 2025
QR Decoder
dokutan
243
19ms
9 Sep 2025
QR Decoder
BREMAUCY
221
26ms
22 Aug 2025
QR Decoder
RaBa21
255
19ms
31 Jul 2025
QR Decoder
anter69
215
19ms
7 Jul 2025
QR Decoder
FortuiteMan
268
20ms
7 Jul 2025
QR Decoder
ovs-code
🥉
143
11ms
6 Jul 2025
QR Decoder
albanian-laundromat
268
20ms
28 Jun 2025
QR Decoder
andrewjc2000
216
30ms
15 May 2025
QR Decoder
Pyroan
377
11ms
16 Apr 2025
QR Decoder
bricknellj
166
18ms
3 Apr 2025
QR Decoder
sean-niemann
165
18ms
9 Mar 2025
QR Decoder
CLOStrophobic
486
10ms
10 Feb 2025
QR Decoder
croc54
475
11ms
30 Jan 2025
QR Decoder
Artemis21
212
20ms
3 Jan 2025
QR Decoder
janbehrens
247
9ms
4 Dec 2024
QR Decoder
lifthrasiir
190
19ms
16 Nov 2024
QR Decoder
wh3n3v3r
264
19ms
14 Nov 2024
QR Decoder
alemelis
245
18ms
27 Aug 2024
QR Decoder
Steffan153
160
17ms
31 Jul 2024
QR Decoder
KatieLG
222
11ms
7 Jul 2024
QR Decoder
KrausRaus
369
17ms
4 Jul 2024
QR Decoder
duckyluuk
197
18ms
23 Jun 2024
QR Decoder
jtaxen
543
12ms
19 May 2024
QR Decoder
pardouin
154
19ms
16 May 2024
QR Decoder
5cw
164
10ms
8 May 2024
QR Decoder
neel11235813
219
21ms
1 Apr 2024
QR Decoder
davecame
236
18ms
19 Mar 2024
QR Decoder
SB-945
265
11ms
14 Mar 2024
QR Decoder
CatsAreFluffy
263
17ms
17 Feb 2024
QR Decoder
ridingqwerty
267
18ms
14 Feb 2024
QR Decoder
mathisfun271
215
11ms
12 Feb 2024
QR Decoder
SirBogman
172
19ms
31 Jan 2024
QR Decoder
cros107
255
10ms
28 Jan 2024
QR Decoder
rucin93
250
17ms
21 Jan 2024
QR Decoder
DialFrost
221
18ms
18 Jan 2024
QR Decoder
MarcMush
261
18ms
14 Jan 2024
QR Decoder
prplz
179
11ms
13 Jan 2024
QR Decoder
yuchuehw
338
19ms
5 Jan 2024
QR Decoder
adamnielson42
286
15ms
29 Nov 2023
QR Decoder
ndren
219
29ms
22 Nov 2023
QR Decoder
camieac
403
11ms
22 Nov 2023
QR Decoder
cpchrispye
1,504
14ms
13 Nov 2023
QR Decoder
raspofabs
319
27ms
12 Nov 2023
QR Decoder
m42km
238
20ms
12 Nov 2023
QR Decoder
simon-thornton_pace
600
11ms
8 Nov 2023
QR Decoder
eiburns
380
11ms
27 Oct 2023
QR Decoder
FlorianCassayre
247
10ms
21 Oct 2023
QR Decoder
commandz0
242
10ms
27 Sep 2023
QR Decoder
RYNO8
262
20ms
4 Sep 2023
QR Decoder
msbranicky
310
17ms
12 Aug 2023
QR Decoder
stefangimmillaro
190
26ms
8 Aug 2023
QR Decoder
mbittner20
339
10ms
3 Jul 2023
QR Decoder
AlephSquirrel
166
14ms
10 Jun 2023
QR Decoder
JayXon
💎
135
24ms
6 May 2023
QR Decoder
lynn
167
10ms
13 Feb 2023
QR Decoder
inventshah
190
19ms
12 Nov 2022
QR Decoder
jakobkordez
205
18ms
30 Oct 2022
QR Decoder
dillon-duncando
1,043
11ms
3 Oct 2022
QR Decoder
OllieBoyne
211
10ms
19 Aug 2022
QR Decoder
stu303
233
11ms
20 Jul 2022
QR Decoder
KatieLG-Transpiler
1,762
11ms
2 Jul 2022
QR Decoder
nullie
198
10ms
14 Jun 2022