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 526th SirBogman 🇺🇸 572 135 829ms 16 Jan 2024 527th guilhem-roy 🇫🇷 572 143 10ms 29 Jun 2023 527th knutae 🇳🇴 572 143 10ms 13 Nov 2023 527th davecame 572 143 17ms 30 Nov 2023 527th keelimeguy 🇺🇸 572 143 40ms 7 May 2025 527th stefangimmillaro 572 143 12ms 23 May 2025 532nd kkoenig 572 275 282ms 13 Sep 2024 533rd MeWhenI 🇻🇦 570 173 114ms 1 May 2023 533rd snoozingnewt 🇺🇸 570 173 92ms 8 days ago 535th Shanethegamer 🇺🇸 569 147 16ms 17 May 2023 536th Aurel300 🇨🇭 569 266 224ms 21 Jul 2024 537th cros107 🇦🇺 568 144 10ms 26 Oct 2023 538th dokutan 568 205 2ms 22 Apr 2024 539th msbranicky 567 267 206ms 1 Oct 2023 540th MeWhenI 🇻🇦 566 98 8ms 1 May 2023 541st Mabeloid 🇳🇴 564 137 766ms 4 May 2025 542nd mathisfun271 564 145 11ms 18 Feb 2024 542nd neihousaigaai 564 145 11ms 10 Apr 2025 544th commandblockguy 🇺🇸 560 138 687ms 1 Sep 2025 545th OllieBoyne 🇬🇧 560 146 11ms 1 May 2023 545th Chimplement 560 146 10ms 13 Dec 2023 547th KatieLG 🇬🇧 560 287 3ms 1 May 2023 548th MeWhenI 🇻🇦 559 229 44ms 26 Aug 2023 549th commandblockguy 🇺🇸 557 147 17ms 1 May 2023 549th SniperSmiley 🇺🇸 557 147 10ms 15 Aug 2023 549th fourth-bit 557 147 18ms 2 Jul 2024 549th logvp 557 147 10ms 7 Oct 2024 549th blaztoma 🇱🇹 557 147 9ms 28 Sep 2025 554th MeWhenI 🇻🇦 556 296 31ms 6 Jun 2023 555th ovs-code 🇩🇪 554 165 6ms 27 Sep 2024 556th KasperKivimaeki 🇫🇮 553 148 11ms 5 Jul 2025 557th weliveinhell 🇭🇹 553 174 10ms 25 Sep 2023 558th Shanethegamer 🇺🇸 553 274 206ms 17 May 2023 559th edsrzf 🇳🇿 551 156 338ms 3 Jul 2025 560th DialFrost 🇸🇬 550 151 178ms 28 Oct 2024 561st scpchicken 🇵🇼 549 149 10ms 1 May 2023 561st Vaekor 549 149 15ms 9 Jul 2023 561st Emutis 🇱🇹 549 149 14ms 20 hours ago 564th acollett89 547 176 11ms 8 Aug 2025 565th dokutan 546 246 58ms 26 Aug 2024 566th jerrandolph 546 288 276ms 2 Nov 2023 567th vhoulbreque 🇫🇷 542 151 10ms 2 Apr 2024 567th FranklinJiaChen 542 151 12ms 3 Aug 2024 567th Anonymousellama21 542 151 10ms 9 Aug 2024 570th madex 🇩🇪 542 185 2ms 23 Jul 2025 571st dokutan 542 230 2ms 5 Feb 2025 572nd MeWhenI 🇻🇦 541 287 50ms 3 Jul 2023 573rd AlephSquirrel 540 143 632ms 21 Jan 2024 574th Maximizer02 540 185 9ms 10 Jan 2025 575th AbhilashaTandon 538 152 10ms 21 Sep 2023 576th AlephSquirrel 535 153 11ms 1 May 2023 576th MaxElf999 535 153 10ms 2 May 2023 576th eiburns 535 153 13ms 5 May 2023 579th Mabeloid 🇳🇴 534 188 2ms 2 Oct 2024 580th Yewzir 🇧🇪 531 189 2ms 9 Feb 2024 581st ravnskjaer 🇩🇰 531 252 461ms 11 Sep 2024 582nd Natanaelel 🇸🇪 528 245 135ms 5 May 2023 583rd adoxography 526 183 10ms 22 May 2023 584th hellwue 524 156 11ms 3 May 2023 584th hiichbindermax 524 156 11ms 4 May 2023 586th dokutan 522 119 39ms 21 Apr 2025 587th MeWhenI 🇻🇦 522 160 18ms 21 May 2023 588th Yewzir 🇧🇪 521 221 2,497ms 9 Feb 2024 589th alemelis 518 158 10ms 5 Oct 2024 589th Andrey135296 518 158 10ms 24 Nov 2024 591st dokutan 516 220 170ms 29 Jun 2024 592nd IISResetMe 515 144 234ms 24 Feb 2024 593rd andrewjc2000 515 159 10ms 30 Apr 2025 594th snoozingnewt 🇺🇸 511 279 120ms 19 days ago 595th mrmena 🇦🇺 509 189 13ms 29 Mar 2024 596th Yewzir 🇧🇪 509 245 2ms 18 Jan 2024 597th chartung17 508 161 10ms 1 Jan 2024 598th Yewzir 🇧🇪 507 197 19ms 4 Apr 2024 599th Babafaba 505 153 889ms 2 days ago 600th tobyLovick 505 162 14ms 29 Nov 2023 First Prev 526–600 of 795 Next Last