The Minesweeper hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Foo Fizz Buzz Bar 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 826th HCRitter 🇩🇪 827 79 198ms 1 Nov 2023 826th janbehrens 🇩🇪 827 79 229ms 28 Nov 2023 826th Yewzir 🇧🇪 827 79 206ms 9 Apr 2024 826th 5quiwyrm 827 79 233ms 4 Dec 2024 830th JosephAbbey 827 93 9ms 6 Apr 2022 830th nakatchi 827 93 9ms 16 Feb 2024 830th timothytomato 827 93 10ms 1 Jun 2025 833rd tonsofpcs 827 130 43ms 18 Sep 2025 834th nwellnhof 🇩🇪 827 149 8ms 22 Oct 2022 835th DialFrost 🇸🇬 826 96 8ms 19 Mar 2025 836th Kloppermand 🇩🇰 826 111 371ms 29 Nov 2021 836th memiamp 🇬🇧 826 111 405ms 14 Oct 2022 838th resoNathan 826 122 3ms 2 Jul 2024 839th gjoacorp 🇬🇧 826 144 66ms 3 Aug 2025 840th cefqrn 826 199 1,029ms 20 Jan 2025 841st dokutan 825 95 2ms 16 Mar 2024 842nd GrayJoKing 🇦🇺 825 108 149ms 22 Aug 2023 843rd GolfingSuccess 🇬🇷 824 50 59ms 5 Sep 2025 844th aibolit 824 89 1,044ms 6 Jun 2025 845th mdznr 824 117 98ms 20 Dec 2021 845th Yewzir 🇧🇪 824 117 111ms 6 Jul 2023 845th HumanoidCPU 824 117 100ms 15 Mar 2024 848th GrayJoKing 🇦🇺 824 126 389ms 4 Mar 2022 848th aposteriorist 🇨🇦 824 126 486ms 15 Mar 2022 850th Natanaelel 🇸🇪 824 146 180ms 26 Jul 2025 851st Schmitt-Very-Cool 824 150 479ms 26 Sep 2025 852nd billythekid 823 97 8ms 6 Jun 2025 853rd RealAMC 🇳🇿 823 117 3ms 28 Nov 2023 854th GrayJoKing 🇦🇺 822 91 5ms 20 Aug 2023 855th SirBogman 🇺🇸 822 114 115ms 14 Oct 2022 856th austbestos 🇮🇪 822 115 172ms 6 Feb 2022 856th jared-hughes 822 115 162ms 6 Jun 2023 856th cbrt-x 822 115 171ms 18 Sep 2023 859th MeWhenI 🇻🇦 822 153 258ms 9 Feb 2023 860th MeWhenI 🇻🇦 822 157 2ms 20 Apr 2022 861st Codsilla 🇨🇦 821 83 289ms 24 Mar 2023 862nd MeWhenI 🇻🇦 821 262 23ms 19 Jul 2025 863rd jared-hughes 820 123 2ms 6 Mar 2022 863rd Waffle3z 820 123 3ms 8 Apr 2022 863rd TheDrawingCoder-Gamer 820 123 2ms 2 Jul 2025 866th oceko 820 145 65ms 19 Feb 2024 866th BlankSpruce 820 145 66ms 22 Aug 2024 868th GrayJoKing 🇦🇺 819 85 340ms 31 May 2022 869th Shanethegamer 🇺🇸 819 92 1,257ms 22 Nov 2021 870th aliakseikalosha 819 112 360ms 22 Oct 2024 871st lynn 819 147 146ms 7 Jul 2024 872nd SpareManiKatti 818 94 13ms 19 Apr 2022 872nd HenryTy83 818 94 12ms 4 Dec 2022 872nd ShiraJoseph 🇺🇸 818 94 10ms 25 Mar 2023 872nd JeanmarieJackman 818 94 10ms 17 Oct 2023 872nd dewmguy 818 94 9ms 12 Jun 2024 872nd MyXoToD 🇩🇪 818 94 13ms 1 Jul 2024 872nd codingisgreatbutiamnot 818 94 10ms 29 Jul 2024 879th MeWhenI 🇻🇦 818 109 138ms 15 Nov 2022 879th jared-hughes 818 109 134ms 22 Jan 2023 879th prplz 🇦🇺 818 109 126ms 12 Jun 2023 882nd stefangimmillaro 818 110 43ms 26 Apr 2025 883rd GolfingSuccess 🇬🇷 818 201 1,034ms 18 Jan 2025 883rd ovs-code 🇩🇪 818 201 920ms 24 Jan 2025 885th Shanethegamer 🇺🇸 817 96 2ms 17 Jan 2024 885th DialFrost 🇸🇬 817 96 3ms 26 Jan 2024 887th stefangimmillaro 817 118 105ms 1 May 2024 888th snoozingnewt 🇺🇸 816 80 250ms 12 Sep 2023 889th KrausRaus 🇺🇸 816 116 3ms 6 Oct 2022 890th GolfingSuccess 🇬🇷 816 118 3ms 22 Nov 2021 890th jared-hughes 816 118 3ms 25 Mar 2022 890th Attero 🇸🇪 816 118 3ms 1 Aug 2022 893rd GrayJoKing 🇦🇺 816 136 32ms 17 Jan 2023 894th GrayJoKing 🇦🇺 815 78 20ms 21 Nov 2021 894th sisyphus-ppcg 🇦🇺 815 78 13ms 30 Nov 2021 894th andersk 🇺🇸 815 78 13ms 25 Oct 2022 894th Steffan153 🇫🇮 815 78 17ms 3 Aug 2024 894th DialFrost 🇸🇬 815 78 13ms 11 Jan 2025 899th Yewzir 🇧🇪 815 95 12ms 9 Jan 2025 900th dranjohn 815 146 396ms 16 Sep 2023 First Prev 826–900 of 3,298 Next Last