The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
12 Days of Christmas in C# 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 1st JayXon 🇺🇸 1,000 251 375ms 18 Dec 2024 2nd AdrienHache 🇫🇷 810 310 396ms 18 Dec 2024 3rd tomtheisen 🇺🇸 799 314 375ms 30 Jan 2023 4th stefangimmillaro 719 349 382ms 13 Aug 2023 5th namelessiw 701 358 387ms 26 Oct 2024 6th SmartK8 🇨🇿 662 379 389ms 26 Oct 2022 7th ChristophHornung 635 395 376ms 12 May 2020 7th fleischa 635 395 336ms 12 May 2020 9th Attero 🇸🇪 609 412 330ms 25 May 2020 10th Timwi 600 418 388ms 4 Dec 2024 11th primo-ppcg 🇹🇭 555 452 411ms 21 Nov 2021 12th tdkkdt 🇷🇺 553 454 397ms 21 Nov 2021 13th MeWhenI 🇻🇦 540 465 480ms 19 Jun 2025 14th sean-niemann 🇺🇸 535 469 335ms 30 Oct 2024 15th peeveen 🇬🇧 530 474 321ms 8 Sep 2023 16th Gaddy 🇫🇷 527 476 403ms 3 May 2022 16th hemphen 527 476 325ms 28 Aug 2022 18th luciaaibarblanco 🇦🇷 526 477 399ms 21 Nov 2021 19th revlayle 🇺🇸 523 480 348ms 31 May 2022 20th jws305 521 482 353ms 21 Nov 2021 20th RainOrigami 🇩🇪 521 482 363ms 21 Dec 2021 22nd jahakari 520 483 357ms 21 Nov 2021 23rd iznax 519 484 358ms 21 Nov 2021 23rd leth4 519 484 368ms 5 Jul 2023 25th annaproxy 518 485 382ms 5 May 2022 26th janbehrens 🇩🇪 516 486 352ms 21 Nov 2021 26th SubsTheTechnomancer 516 486 309ms 28 Feb 2023 26th snoozingnewt 🇺🇸 516 486 328ms 23 Sep 2023 26th neel11235813 516 486 348ms 26 Mar 2024 30th initram 514 488 358ms 21 Nov 2021 31st Shanethegamer 🇺🇸 511 491 348ms 31 Oct 2024 32nd Seanharrs 507 495 347ms 15 Feb 2023 32nd arctouch-cristiannevianna 507 495 416ms 7 Jun 2023 34th Yax42 🇫🇷 504 498 358ms 28 Jan 2025 35th KatieLG 🇬🇧 503 499 383ms 15 Feb 2022 36th MiffOttah 502 500 347ms 21 Nov 2021 36th dpethes 502 500 367ms 10 Jan 2024 38th malworthy 501 501 373ms 24 Oct 2023 38th arcpolaris 501 501 384ms 27 Mar 2025 40th JonMartinTx 500 502 314ms 26 Apr 2024 40th najs91 500 502 376ms 8 Oct 2024 42nd tomh1012 499 503 349ms 9 Dec 2022 43rd Shnapster 498 504 394ms 23 Sep 2023 44th Tviljan 🇫🇮 495 507 384ms 21 Nov 2021 44th cryptoriddlerUIO 495 507 431ms 24 Feb 2025 46th shawaa 494 508 355ms 10 Jun 2020 46th roavin 494 508 321ms 5 Jun 2022 46th billings7 🇬🇧 494 508 377ms 29 Dec 2022 49th aliakseikalosha 491 511 378ms 27 Jan 2022 50th Meowsan91 🇨🇿 490 512 348ms 21 Nov 2021 50th dokutan 490 512 372ms 23 Mar 2025 52nd matthewxbird 489 513 357ms 21 Nov 2021 52nd dorschmeister 489 513 320ms 18 May 2023 52nd adam-chalmers 489 513 365ms 5 Oct 2024 55th CaedenHarper 🇨🇦 487 515 486ms 5 days ago 56th renthist 486 516 353ms 29 Jan 2022 56th kebal2 486 516 399ms 15 May 2025 58th Adix-null 🇱🇹 485 518 377ms 8 Jul 2023 59th onlmusha1 484 519 313ms 19 May 2023 60th pwninstein 483 520 352ms 21 Nov 2021 60th postie77 483 520 335ms 21 Dec 2022 62nd lalkkot 476 527 387ms 27 Apr 2022 62nd sabvdf 476 527 408ms 8 Dec 2022 62nd TRexOnGit 476 527 387ms 15 Jan 2024 65th ChrisTheisen 475 528 389ms 12 Dec 2022 66th HumanEquivalentUnit 474 529 396ms 21 Nov 2021 66th JonMartin1990 474 529 394ms 30 Sep 2023 68th C-Tyne 471 533 386ms 4 Apr 2025 69th ericlangedijk 🇸🇮 470 534 375ms 16 Mar 2022 70th MichalMarsalek 🇨🇿 468 536 355ms 9 Nov 2022 71st bdawgert 467 538 384ms 21 Nov 2021 72nd okuzmeniuk 466 539 448ms 24 Jun 2025 73rd CheeryProgrammer 465 540 430ms 21 Nov 2021 74th mandm-pt 464 541 316ms 21 Nov 2021 74th DaCuteRaccoon 464 541 424ms 1 Oct 2022 1–75 of 151 Next Last
