The Minesweeper hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Forsyth–Edwards Notation in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 600th YAJUE114514 505 162 10ms 28 Jul 2025 602nd msbranicky 504 231 2ms 28 Sep 2023 603rd KatieLG 🇬🇧 502 163 963ms 1 May 2023 603rd Babafaba 502 163 12ms 2 days ago 605th emgordon154 501 124 34ms 26 Jul 2024 606th MeWhenI 🇻🇦 501 163 3ms 1 May 2023 607th adoxography 499 164 11ms 22 May 2023 607th nstearns96 🇬🇧 499 164 10ms 12 Nov 2024 607th snydej 499 164 14ms 21 Nov 2024 610th daniel-cardone 499 193 16ms 8 Sep 2023 611th rozium 496 165 12ms 11 Oct 2024 611th madex 🇩🇪 496 165 10ms 20 Jul 2025 613th The-Wolfson 495 288 174ms 9 Feb 2025 614th msbranicky 493 166 11ms 5 Aug 2023 615th Schmitt-Very-Cool 490 273 442ms 26 Sep 2025 616th xPMo 488 198 3ms 28 Jun 2024 617th msbranicky 488 202 90ms 18 Aug 2023 618th andre-lameirinhas 🇵🇹 487 168 11ms 5 May 2023 618th croc54 487 168 9ms 2 Dec 2024 618th BREMAUCY 🇫🇷 487 168 11ms 21 Aug 2025 621st adoxography 486 128 37ms 22 May 2023 622nd ehulinsky 🇺🇸 484 169 10ms 16 May 2023 622nd briankuder 484 169 10ms 20 Jun 2023 624th janbehrens 🇩🇪 483 200 11ms 1 May 2023 625th prplz 🇦🇺 482 208 2ms 9 May 2023 626th kaptsanovb 481 170 10ms 24 Sep 2023 626th Flekay 🇩🇪 481 170 12ms 10 Jul 2025 628th TaserTheFox 🇺🇸 478 171 12ms 1 May 2023 629th MeWhenI 🇻🇦 478 528 15ms 28 Aug 2023 630th CedricGebistorf 476 172 10ms 3 May 2023 630th inverseLorentz 🇦🇺 476 172 13ms 8 May 2023 630th stertooy 🇧🇪 476 172 31ms 20 Jun 2024 633rd TheZwierzLF 🇵🇱 473 173 15ms 21 May 2025 634th klixel 🇨🇦 472 321 202ms 23 Jul 2025 635th msbranicky 465 166 585ms 17 Jan 2024 636th celiendonze 🇨🇭 465 176 10ms 3 May 2023 637th PhysicDev 🇫🇷 462 177 13ms 25 May 2023 638th yuchuehw 460 178 10ms 3 Jan 2024 639th MeWhenI 🇻🇦 459 181 163ms 25 Oct 2024 640th msbranicky 459 217 2,841ms 9 Jan 2025 641st mbittner20 457 179 15ms 27 May 2023 641st Wildst 457 179 11ms 7 Jul 2023 643rd KatieLG-Transpiler 🇬🇧 455 180 10ms 16 Aug 2024 644th HenryTy83 454 212 12ms 3 May 2023 645th tomh1012 454 217 375ms 17 Sep 2025 646th bobbysq 450 182 11ms 25 May 2023 647th dokutan 450 203 3ms 29 Apr 2025 648th bac0id 449 256 409ms 11 Jan 2025 649th KatieLG 🇬🇧 447 139 32ms 29 Aug 2024 650th Stockoh 🇫🇷 445 184 11ms 1 May 2024 651st msbranicky 436 174 178ms 9 Jan 2025 652nd Natanaelel 🇸🇪 435 188 10ms 5 May 2023 652nd Kloppermand 🇩🇰 435 188 11ms 26 May 2023 652nd mdnestor 435 188 10ms 27 May 2024 655th epic-programmer-guy 434 298 132ms 15 Apr 2024 656th Yewzir 🇧🇪 432 228 420ms 11 Feb 2024 657th KatieLG 🇬🇧 430 311 410ms 19 Oct 2024 658th KatieLG-Transpiler 🇬🇧 429 180 857ms 16 Aug 2024 659th Mikey-Beep 🇬🇧 428 191 17ms 28 Aug 2023 660th bac0id 427 235 2ms 11 Jan 2025 661st madex 🇩🇪 426 146 32ms 20 Jul 2025 662nd lelbal 426 192 11ms 17 Oct 2024 662nd yjgnaw 426 192 10ms 24 Jul 2025 664th rollershutter 424 193 10ms 3 May 2023 665th dokutan 424 394 2ms 6 Dec 2024 666th Yewzir 🇧🇪 420 184 617ms 4 Feb 2024 667th madex 🇩🇪 418 362 279ms 20 Jul 2025 668th adamnielson42 🇺🇸 417 196 11ms 1 May 2023 669th MeWhenI 🇻🇦 417 300 4ms 13 Dec 2023 670th Widgitty 416 241 2ms 23 Sep 2025 671st elgan65536 415 197 11ms 9 Nov 2024 672nd SirFireball3521 414 132 150ms 26 Feb 2024 673rd Masttest 413 198 11ms 31 Jan 2024 673rd yokasuretsu 413 198 9ms 14 Jan 2025 675th DrPrettyman 407 201 10ms 25 May 2023 First Prev 601–675 of 795 Next Last