The Minesweeper hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Prime Numbers 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 66 364ms 24 Sep 2025 1st sean-niemann 🇺🇸 1,000 66 405ms 24 Sep 2025 1st namelessiw 1,000 66 405ms 24 days ago 4th nwellnhof 🇩🇪 943 70 434ms 25 Sep 2025 5th DialFrost 🇸🇬 930 71 594ms 24 Sep 2025 5th edsrzf 🇳🇿 930 71 650ms 24 Sep 2025 5th b-illy 🇬🇧 930 71 383ms 24 Sep 2025 5th voytxt 🇨🇿 930 71 496ms 25 Sep 2025 5th stefangimmillaro 930 71 358ms 22 days ago 10th Shanethegamer 🇺🇸 868 76 579ms 25 Sep 2025 10th Yewzir 🇧🇪 868 76 408ms 26 days ago 10th kmathis22 868 76 342ms 4 days ago 10th Jacob385 868 76 346ms 23 hours ago 14th WildTooth 835 79 400ms 19 days ago 15th dokutan 795 83 503ms 24 Sep 2025 16th Liibe 776 85 341ms 25 Sep 2025 17th CaedenHarper 🇨🇦 725 91 379ms 24 Sep 2025 18th Schmitt-Very-Cool 717 92 471ms 25 days ago 19th snoozingnewt 🇺🇸 710 93 356ms 28 Sep 2025 20th primo-ppcg 🇹🇭 641 103 500ms 24 Apr 2020 20th prplz 🇦🇺 641 103 371ms 18 Nov 2020 20th Lydxn 🇨🇦 641 103 505ms 12 Jul 2021 20th MeWhenI 🇻🇦 641 103 338ms 31 Dec 2021 20th Steffan153 🇫🇮 641 103 450ms 9 Aug 2024 25th ScottHamper 635 104 330ms 28 May 2021 26th Attero 🇸🇪 611 108 531ms 28 Apr 2020 26th KatieLG 🇬🇧 611 108 308ms 22 Oct 2021 26th Widgitty 611 108 323ms 18 Jul 2023 26th h3ra993huskp 🇯🇵 611 108 345ms 19 Jan 2025 30th Looney32768 600 110 357ms 27 Jan 2023 31st BBoehm 🇩🇪 595 111 405ms 29 Oct 2020 31st helbling 🇨🇭 595 111 557ms 11 Mar 2024 33rd janbehrens 🇩🇪 584 113 329ms 3 Sep 2020 33rd KrausRaus 🇺🇸 584 113 532ms 22 Mar 2021 33rd neihousaigaai 584 113 314ms 6 Apr 2021 33rd inventshah 584 113 334ms 20 Apr 2021 33rd Irratix 🇳🇱 584 113 314ms 7 Dec 2021 33rd Betuaredead 584 113 345ms 14 Nov 2023 33rd SirBogman 🇺🇸 584 113 438ms 3 Jan 2024 33rd yoshykai 584 113 564ms 30 Mar 2025 33rd eMGeeneer 584 113 431ms 20 Sep 2025 42nd madeforlosers 579 114 403ms 5 Jan 2024 42nd sultan 579 114 493ms 27 Mar 2024 44th cbrt-x 564 117 382ms 29 Aug 2021 44th Leftykap 564 117 311ms 14 Sep 2022 44th FlorianCassayre 🇫🇷 564 117 454ms 28 Sep 2022 44th piano-miles 564 117 347ms 7 Feb 2023 48th Rhinozz 🇨🇦 559 118 568ms 12 Aug 2021 49th lukehewittvandy 555 119 515ms 19 Jul 2022 50th shellbertt 🇨🇦 550 120 332ms 26 Dec 2021 50th DartGT8437 550 120 317ms 28 Jan 2025 52nd jjstreet 545 121 368ms 30 Apr 2020 53rd Antonio-Vel 541 122 480ms 20 Aug 2022 53rd mathb0y512 541 122 305ms 14 Nov 2022 55th konst-aa 537 123 372ms 11 Aug 2022 56th bwat2 532 124 328ms 21 Apr 2022 56th CarsonChr 🇺🇸 532 124 328ms 26 Jul 2024 58th coltraloz 🇪🇸 528 125 372ms 6 Mar 2025 59th ricehens 524 126 358ms 26 Nov 2021 59th Carloz69 524 126 493ms 3 Dec 2021 61st bac0id 520 127 428ms 26 Sep 2023 62nd Re-Adventures 🇮🇳 516 128 350ms 17 Mar 2021 63rd richard-oelze 🇩🇪 512 129 321ms 1 May 2021 64th tomh1012 508 130 330ms 9 Oct 2020 64th Luca2812 508 130 326ms 30 Dec 2021 64th lorenzosim 508 130 327ms 5 Aug 2022 64th cnelson20 508 130 315ms 8 Aug 2022 64th squid233 508 130 305ms 3 Oct 2023 64th HumanoidCPU 508 130 324ms 1 Apr 2024 64th GWStuart 508 130 317ms 1 Jul 2024 71st tkr-sh 🇫🇷 504 131 518ms 4 May 2022 71st lordsnek 504 131 340ms 26 Jan 2024 73rd caynraiser 500 132 499ms 8 Dec 2021 74th Kusarr 496 133 362ms 17 Dec 2020 74th Bolix7 496 133 323ms 23 May 2021 1–75 of 167 Next Last