The Minesweeper hole will go live in approximately 3 days. Why not try and solve it ahead of time?
12 Days of Christmas in Java 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 🇺🇸 1,000 320 680ms 25 Sep 2025 2nd error256 882 363 392ms 24 Sep 2025 3rd sean-niemann 🇺🇸 879 364 549ms 24 Sep 2025 4th AnAwesomGuy 788 406 520ms 22 Sep 2025 5th prplz 🇦🇺 784 408 357ms 13 Oct 2020 6th MeWhenI 🇻🇦 771 415 608ms 5 Sep 2022 7th Shanethegamer 🇺🇸 648 494 469ms 25 Sep 2025 8th Liibe 637 502 365ms 25 Sep 2025 8th stefangimmillaro 637 502 417ms 22 days ago 10th dokutan 635 504 667ms 24 Sep 2025 11th primo-ppcg 🇹🇭 632 506 488ms 1 Aug 2021 12th namelessiw 626 511 629ms 21 days ago 12th kmathis22 626 511 464ms 13 days ago 14th Attero 🇸🇪 617 519 593ms 1 May 2020 15th CaedenHarper 🇨🇦 614 521 661ms 17 days ago 16th eiburns 612 523 513ms 13 Nov 2020 16th Vaekor 612 523 483ms 9 Jul 2023 16th coltraloz 🇪🇸 612 523 573ms 22 Apr 2024 16th snoozingnewt 🇺🇸 612 523 693ms 24 days ago 20th menglishca 🇨🇦 611 524 376ms 6 Aug 2021 21st janbehrens 🇩🇪 610 525 619ms 17 Jun 2023 22nd na0y 606 528 333ms 20 Oct 2021 23rd h3ra993huskp 🇯🇵 600 533 528ms 9 Feb 2025 24th raphaelimahorn 595 538 326ms 21 Oct 2020 25th chartung17 594 539 325ms 1 Jan 2024 26th neihousaigaai 588 544 593ms 27 Dec 2021 27th eMGeeneer 587 545 356ms 15 Jun 2024 28th daanpanis 581 551 473ms 22 May 2020 28th mokymok 🇺🇸 581 551 323ms 22 Oct 2021 28th ravnskjaer 🇩🇰 581 551 590ms 21 Sep 2024 31st deancureton 580 552 472ms 24 Mar 2024 32nd Joe0 576 556 325ms 22 Apr 2020 33rd aneurin-h 575 557 337ms 18 Oct 2022 34th Yewzir 🇧🇪 571 560 395ms 25 days ago 35th aioobe 570 561 327ms 22 Apr 2020 35th SubsTheTechnomancer 570 561 345ms 1 Mar 2023 35th neel11235813 570 561 390ms 26 Mar 2024 38th rowechenzhong 568 563 605ms 2 Dec 2021 39th Jacob385 567 564 396ms 12 hours ago 40th boxjelly 565 566 341ms 24 Feb 2021 41st sagarv26 559 572 510ms 11 Jun 2021 41st crizin 🇰🇷 559 572 372ms 9 Sep 2023 41st ocefra 559 572 436ms 2 Jan 2025 44th Sakkeh 557 575 413ms 9 May 2020 45th jjstreet 554 578 546ms 1 May 2020 46th marcus-gomes-v 🇧🇷 552 580 599ms 14 Dec 2021 47th Schmitt-Very-Cool 551 581 493ms 26 Sep 2025 48th yoshykai 549 583 494ms 30 Mar 2025 49th KaLuAnFo 548 584 323ms 11 Aug 2025 50th DaCuteRaccoon 546 586 602ms 2 Oct 2022 51st cbrt-x 545 587 358ms 3 Sep 2021 52nd taredding 541 592 360ms 6 Oct 2021 53rd bwat2 537 596 613ms 6 Dec 2021 54th ldoodle 532 601 561ms 23 Aug 2022 55th warmCabin 525 610 326ms 10 Nov 2023 55th MartinNang 525 610 355ms 8 May 2025 57th aliakseikalosha 522 613 324ms 2 Apr 2021 58th DarkC4t 520 615 552ms 21 Apr 2022 58th sonisonjames 520 615 452ms 12 Nov 2022 58th hli521 520 615 358ms 4 May 2023 61st Teekesselchen 519 616 517ms 4 Jan 2022 62nd msbranicky 516 620 337ms 8 Sep 2023 63rd jetzerv 514 623 497ms 16 Dec 2020 63rd MrGagnonHPS 514 623 481ms 27 Oct 2023 63rd schaene 514 623 311ms 7 Mar 2024 63rd mathislife22 514 623 587ms 28 Jan 2025 67th riviere-lucas 510 628 576ms 28 Dec 2020 67th louisbosqui 510 628 311ms 28 Dec 2020 69th vasilybib1 507 631 404ms 22 Nov 2021 69th ToxicP1e 507 631 319ms 8 Nov 2022 71st barneyb 506 632 335ms 15 Oct 2023 72nd remenkemi 504 635 616ms 2 Mar 2025 73rd acostama 503 636 400ms 24 Mar 2022 74th gthayden23 502 637 570ms 5 Oct 2024 75th jonas-sala 502 638 464ms 1 May 2024 1–75 of 124 Next Last