The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Kolakoski Constant 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 376th Shanethegamer 🇺🇸 575 85 104ms 8 Apr 2021 377th MeWhenI 🇻🇦 573 102 537ms 24 May 2024 378th dokutan 572 199 4ms 12 Aug 2024 379th BREMAUCY 🇫🇷 570 102 11ms 19 Jul 2025 380th AlephSquirrel 566 53 89ms 3 Jan 2023 381st RockOfStone 563 213 2,249ms 4 Nov 2021 382nd Yewzir 🇧🇪 561 234 57ms 22 Dec 2023 383rd stefangimmillaro 560 171 3,273ms 19 Nov 2024 384th MeWhenI 🇻🇦 559 231 549ms 5 Dec 2021 385th dokutan 556 217 105ms 28 Mar 2024 386th Natanaelel 🇸🇪 555 88 64ms 10 Sep 2021 387th jatloe 554 105 65ms 26 Sep 2024 388th MeWhenI 🇻🇦 553 238 288ms 10 Feb 2023 389th Shanethegamer 🇺🇸 548 158 408ms 20 May 2022 390th dokutan 547 236 500ms 24 Sep 2025 391st m-tkach 🇺🇦 547 240 63ms 17 Dec 2022 392nd dokutan 546 107 448ms 21 Mar 2025 393rd olivermrose 🇺🇸 543 90 109ms 28 Oct 2021 393rd BrenSchaap 543 90 74ms 13 Nov 2021 395th AkashTandon167 543 107 13ms 1 Nov 2021 395th dokutan 543 107 40ms 21 Mar 2025 395th blaztoma 🇱🇹 543 107 34ms 13 days ago 398th MeWhenI 🇻🇦 540 78 41ms 28 Feb 2025 399th dokutan 540 222 2ms 3 Apr 2024 400th dokutan 540 243 416ms 19 Aug 2024 401st nullie 538 108 169ms 9 Jun 2022 402nd CaedenHarper 🇨🇦 538 240 560ms 10 days ago 403rd snoozingnewt 🇺🇸 537 110 405ms 12 days ago 404th edsrzf 🇳🇿 537 177 135ms 20 Dec 2024 405th Yewzir 🇧🇪 537 245 271ms 3 Jan 2024 406th dokutan 535 427 5ms 8 Dec 2023 407th marcin7Cd 533 109 12ms 9 Feb 2021 407th OllieBoyne 🇬🇧 533 109 160ms 25 May 2022 407th scpchicken 🇵🇼 533 109 11ms 28 Feb 2023 407th CutSandstone 533 109 34ms 8 Jul 2024 411th msbranicky 532 247 300ms 3 Oct 2023 411th stefangimmillaro 532 247 446ms 13 Dec 2024 413th dokutan 532 371 980ms 13 Jan 2025 414th scpchicken 🇵🇼 531 93 1,105ms 17 Feb 2023 415th pschmid0 🇺🇸 530 182 226ms 9 Oct 2022 416th jerrandolph 530 248 815ms 26 Sep 2025 417th qpwoeirut 529 110 305ms 11 Aug 2025 418th Yewzir 🇧🇪 529 228 105ms 6 Jul 2023 419th dokutan 526 250 286ms 6 Jan 2024 420th SirBogman 🇺🇸 525 205 15ms 2 Jan 2022 421st m-tkach 🇺🇦 525 570 27ms 20 Jan 2024 422nd CedricGebistorf 524 111 11ms 9 Mar 2022 423rd coreynash 522 131 33ms 24 Oct 2023 424th lynn 521 574 33ms 6 Aug 2023 425th MeWhenI 🇻🇦 518 114 327ms 15 Feb 2023 426th CaedenHarper 🇨🇦 518 219 400ms 15 hours ago 427th Shanethegamer 🇺🇸 518 249 659ms 25 Sep 2025 428th namelessiw 517 113 531ms 5 Mar 2024 429th rschwa6308 🇺🇸 515 113 12ms 28 Jun 2021 429th namelessiw 515 113 13ms 11 Jan 2024 431st commandblockguy 🇺🇸 513 114 587ms 15 Jan 2024 432nd johndevou 513 210 36ms 18 Nov 2021 433rd MeWhenI 🇻🇦 513 239 248ms 3 Dec 2021 434th lifthrasiir 🇰🇷 510 578 8ms 19 Dec 2024 435th MeWhenI 🇻🇦 509 588 31ms 6 Jun 2023 436th Yewzir 🇧🇪 508 223 6ms 18 Feb 2024 437th dokutan 507 242 286ms 1 Jul 2025 438th ryyyn 🇺🇸 506 115 89ms 22 Jul 2025 438th RaBa21 🇭🇺 506 115 20ms 1 Aug 2025 440th CatsAreFluffy 504 116 461ms 15 Jan 2024 440th JunkIce 504 116 417ms 7 Mar 2025 440th snoozingnewt 🇺🇸 504 116 647ms 28 Sep 2025 443rd petroselo 501 116 11ms 16 Nov 2021 443rd amollberg 🇸🇪 501 116 28ms 30 Jan 2022 443rd CatsAreFluffy 501 116 15ms 10 Jan 2023 443rd JunkIce 501 116 20ms 7 Mar 2025 443rd snoozingnewt 🇺🇸 501 116 20ms 31 Mar 2025 443rd mossiegoat 501 116 74ms 5 days ago 449th dokutan 501 226 7ms 11 Jan 2024 450th tomh1012 500 227 439ms 18 Sep 2025 First Prev 376–450 of 1,646 Next Last