The Minesweeper hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Pernicious Numbers 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 819th DialFrost 🇸🇬 911 68 27ms 5 Feb 2023 819th GrayJoKing 🇦🇺 911 68 27ms 19 Mar 2023 819th Shanethegamer 🇺🇸 911 68 27ms 19 Mar 2023 819th sean-niemann 🇺🇸 911 68 32ms 13 Apr 2023 819th Betuaredead 911 68 26ms 13 Nov 2023 819th Yewzir 🇧🇪 911 68 26ms 14 Nov 2023 819th pardouin 🇫🇷 911 68 26ms 19 Aug 2024 819th edsrzf 🇳🇿 911 68 28ms 22 Jul 2025 819th fuzzylojik-golf 🇺🇸 911 68 26ms 20 Aug 2025 835th MeWhenI 🇻🇦 910 35 5ms 24 Jun 2022 836th Lydxn 🇨🇦 909 51 3ms 16 Jul 2023 836th GrayJoKing 🇦🇺 909 51 4ms 16 Jul 2023 836th MeWhenI 🇻🇦 909 51 4ms 16 Jul 2023 836th Steffan153 🇫🇮 909 51 3ms 16 Jul 2023 836th btnlq 909 51 4ms 16 Jul 2023 836th ovs-code 🇩🇪 909 51 3ms 17 Jul 2023 836th sean-niemann 🇺🇸 909 51 3ms 12 Jun 2025 836th fuzzylojik-golf 🇺🇸 909 51 4ms 17 Sep 2025 844th dokutan 906 57 297ms 26 Mar 2024 845th prplz 🇦🇺 905 62 27ms 26 Dec 2022 845th Steffan153 🇫🇮 905 62 29ms 26 Dec 2022 845th GrayJoKing 🇦🇺 905 62 27ms 4 Jan 2023 845th DialFrost 🇸🇬 905 62 27ms 12 Jan 2023 845th m-tkach 🇺🇦 905 62 26ms 12 Jan 2023 845th Lydxn 🇨🇦 905 62 26ms 13 Jan 2023 845th MeWhenI 🇻🇦 905 62 26ms 14 Jan 2023 845th Shanethegamer 🇺🇸 905 62 26ms 6 Feb 2023 845th lynn 905 62 26ms 12 Jul 2023 845th Yewzir 🇧🇪 905 62 27ms 12 Oct 2023 845th Betuaredead 905 62 25ms 11 Nov 2023 845th pardouin 🇫🇷 905 62 26ms 19 Aug 2024 845th sean-niemann 🇺🇸 905 62 27ms 19 May 2025 845th edsrzf 🇳🇿 905 62 26ms 22 Jul 2025 845th snoozingnewt 🇺🇸 905 62 27ms 4 days ago 860th canissimia 🇦🇶 905 139 1ms 10 Jul 2021 861st DialFrost 🇸🇬 904 36 132ms 3 Aug 2024 861st MeWhenI 🇻🇦 904 36 144ms 3 Aug 2024 861st rucin93 🇵🇱 904 36 168ms 6 Aug 2024 861st sisyphus-ppcg 🇦🇺 904 36 138ms 8 Aug 2024 861st GrayJoKing 🇦🇺 904 36 137ms 13 Aug 2024 861st pardouin 🇫🇷 904 36 133ms 3 Sep 2024 861st emplv 🇱🇻 904 36 127ms 29 Oct 2024 861st FlyingPenguin223 904 36 1ms 28 Nov 2024 861st fuzzylojik-golf 🇺🇸 904 36 130ms 2 Aug 2025 870th MeWhenI 🇻🇦 904 38 3ms 5 Nov 2022 870th snoozingnewt 🇺🇸 904 38 3ms 4 days ago 872nd Yewzir 🇧🇪 904 41 97ms 22 Dec 2024 872nd dokutan 904 41 96ms 22 Dec 2024 872nd DialFrost 🇸🇬 904 41 97ms 22 Dec 2024 872nd rucin93 🇵🇱 904 41 105ms 22 Dec 2024 872nd Shanethegamer 🇺🇸 904 41 90ms 22 Dec 2024 872nd pardouin 🇫🇷 904 41 103ms 22 Dec 2024 872nd MeWhenI 🇻🇦 904 41 97ms 23 Dec 2024 872nd sean-niemann 🇺🇸 904 41 105ms 23 Dec 2024 872nd inventshah 904 41 113ms 23 Dec 2024 872nd ovs-code 🇩🇪 904 41 98ms 24 Dec 2024 872nd primo-ppcg 🇹🇭 904 41 94ms 6 Jan 2025 872nd sisyphus-ppcg 🇦🇺 904 41 93ms 6 Jan 2025 872nd prplz 🇦🇺 904 41 89ms 7 Jan 2025 872nd GrayJoKing 🇦🇺 904 41 96ms 21 Mar 2025 872nd edsrzf 🇳🇿 904 41 108ms 22 Jul 2025 872nd fuzzylojik-golf 🇺🇸 904 41 96ms 29 Aug 2025 872nd snoozingnewt 🇺🇸 904 41 92ms 6 days ago 889th FlyingPenguin223 904 69 65ms 18 Dec 2024 890th inventshah 903 48 101ms 20 Oct 2022 890th MeWhenI 🇻🇦 903 48 101ms 5 Nov 2022 890th Alex-x90 🇺🇸 903 48 110ms 24 Feb 2023 893rd btnlq 903 80 2ms 11 Jun 2023 893rd saito-ta 🇯🇵 903 80 1ms 11 Jun 2023 895th Waffle3z 902 30 33ms 10 Feb 2021 895th lynn 902 30 39ms 11 Sep 2021 895th Irratix 🇳🇱 902 30 39ms 22 Mar 2022 895th orthoplex 🇨🇽 902 30 47ms 30 Mar 2022 895th SirBogman 🇺🇸 902 30 38ms 31 May 2022 895th inventshah 902 30 36ms 18 Jun 2022 First Prev 826–900 of 3,196 Next Last