The Minesweeper hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Happy 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 826th msbranicky 696 74 78ms 14 Aug 2023 827th Steffan153 🇫🇮 696 99 59ms 28 Jan 2023 827th ovs-code 🇩🇪 696 99 62ms 3 Jun 2024 827th roupiq 🇵🇱 696 99 61ms 8 Jun 2024 830th xorraxrax 693 68 12ms 19 Oct 2019 830th NewDefectus 🇮🇱 693 68 11ms 1 Nov 2020 830th ydevor 🇮🇱 693 68 10ms 26 Nov 2020 830th jacklynnepenick 693 68 51ms 17 Aug 2021 830th aposteriorist 🇨🇦 693 68 10ms 6 Feb 2022 830th PowerR0 693 68 10ms 25 Aug 2022 830th SB-945 693 68 17ms 31 Mar 2024 830th Troon 693 68 10ms 11 Feb 2025 838th sisyphus-ppcg 🇦🇺 692 43 2ms 3 Nov 2020 838th pandapawskat 692 43 3ms 20 Sep 2021 838th stefangimmillaro 692 43 2ms 23 Apr 2022 841st o0lit3 🇺🇸 692 50 11ms 19 Apr 2021 841st armin-k1 692 50 9ms 8 Sep 2021 843rd Alex-x90 🇺🇸 692 76 2ms 3 Dec 2022 844th anter69 🇭🇺 691 55 1,011ms 10 Mar 2025 845th GrayJoKing 🇦🇺 691 61 150ms 13 Mar 2022 846th btnlq 691 63 4ms 15 Jul 2023 847th SirBogman 🇺🇸 690 63 405ms 15 Jan 2024 847th GolfingSuccess 🇬🇷 690 63 336ms 30 Jan 2024 849th inventshah 690 70 3ms 9 Sep 2022 850th labster 689 45 130ms 23 Feb 2018 851st JDiLenarda 🇫🇷 689 61 1,211ms 9 Oct 2020 852nd jared-hughes 689 100 53ms 20 Jul 2022 853rd gnuvince 688 32 10ms 2 Aug 2024 853rd codereport 🇨🇦 688 32 3ms 21 Apr 2025 855th marshallward 🇺🇸 688 81 41ms 2 Sep 2022 856th JayXon 🇺🇸 688 102 7ms 15 Mar 2023 857th PatrickStephansen 🇿🇦 686 72 13ms 3 Nov 2020 857th KatieLG 🇬🇧 686 72 9ms 16 Apr 2021 857th neihousaigaai 686 72 10ms 18 Apr 2021 857th two-bad 🇬🇧 686 72 11ms 25 Feb 2024 861st MeWhenI 🇻🇦 686 75 40ms 20 Jun 2022 862nd rustyflamingo 685 49 551ms 22 Sep 2022 862nd antimon2 🇯🇵 685 49 565ms 15 Oct 2022 862nd alemelis 685 49 539ms 1 Mar 2023 862nd HPWiz 🇳🇿 685 49 554ms 9 Mar 2023 862nd ovs-code 🇩🇪 685 49 562ms 24 Oct 2023 862nd MarcMush 🇫🇷 685 49 589ms 5 Jan 2024 862nd DialFrost 🇸🇬 685 49 541ms 5 Jan 2024 862nd twolfive 685 49 552ms 5 Oct 2024 870th galloj 🇨🇿 684 107 1ms 28 Aug 2022 871st j-Ewan 683 40 33ms 22 Feb 2022 872nd Espiobest 683 69 19ms 26 Feb 2021 872nd cbondurant 683 69 10ms 10 May 2021 872nd hellwue 683 69 10ms 8 Feb 2023 872nd Vaekor 683 69 10ms 9 Jul 2023 872nd jatloe 683 69 107ms 27 Sep 2024 877th sean-niemann 🇺🇸 683 77 2ms 29 Nov 2022 878th DialFrost 🇸🇬 682 93 44ms 16 Feb 2025 879th MeWhenI 🇻🇦 682 101 59ms 8 May 2022 879th janbehrens 🇩🇪 682 101 65ms 26 Nov 2023 881st retrohun 682 191 11ms 27 Dec 2022 882nd sisyphus-ppcg 🇦🇺 681 67 4ms 2 Jul 2023 882nd targrik 681 67 6ms 17 Jul 2025 884th m-tkach 🇺🇦 680 64 376ms 30 Jan 2024 885th Yewzir 🇧🇪 680 87 2ms 21 Jan 2024 885th rucin93 🇵🇱 680 87 2ms 22 Apr 2025 887th MeWhenI 🇻🇦 679 62 162ms 11 Nov 2021 888th Irratix 🇳🇱 678 56 1,042ms 25 Mar 2021 888th emgordon154 678 56 911ms 18 Nov 2024 890th emplv 🇱🇻 678 63 144ms 17 Jul 2025 891st didion0 🇺🇸 677 73 13ms 22 Apr 2021 891st itsh01 677 73 14ms 16 Aug 2021 891st c0d3-4-F00d 🇩🇪 677 73 10ms 5 Jan 2022 891st DaCuteRaccoon 677 73 11ms 30 Nov 2022 891st inventshah 677 73 15ms 28 Jan 2023 891st snoozingnewt 🇺🇸 677 73 13ms 1 Sep 2024 897th primo-ppcg 🇹🇭 676 105 2ms 3 Oct 2020 898th Attero 🇸🇪 675 46 132ms 4 May 2020 899th primo-ppcg 🇹🇭 675 57 4ms 27 Apr 2023 899th GrayJoKing 🇦🇺 675 57 4ms 20 Aug 2023 First Prev 826–900 of 3,059 Next Last