The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
√2 in all languages in bytes. 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 Bytes Time Submitted 676th GrayJoKing 🇦🇺 752 57 13ms 17 Dec 2020 677th prplz 🇦🇺 752 62 524ms 12 Jun 2020 678th ordinary-slim 751 64 14ms 20 Nov 2022 678th AtengChen 751 64 13ms 19 Aug 2024 680th HPWiz 🇳🇿 750 69 4,617ms 18 Jan 2025 681st SirBogman 🇺🇸 750 113 450ms 9 Jan 2024 682nd SirBogman 🇺🇸 749 138 84ms 28 May 2023 683rd sean-niemann 🇺🇸 749 161 57ms 7 Aug 2023 684th rucin93 🇵🇱 748 136 363ms 8 Sep 2025 685th m-tkach 🇺🇦 748 213 51ms 31 Jan 2024 686th dokutan 745 63 2,632ms 24 Oct 2024 686th snoozingnewt 🇺🇸 745 63 3,033ms 16 days ago 688th primo-ppcg 🇹🇭 744 62 3,731ms 30 Jan 2022 689th CaedenHarper 🇨🇦 743 114 361ms 7 days ago 690th acotis 742 182 184ms 28 Jun 2025 691st michelebastione 🇮🇹 740 65 27ms 30 Jun 2019 691st trillllian 740 65 29ms 6 Sep 2020 691st munchkinduncan 740 65 29ms 17 Jan 2021 691st OllieBoyne 🇬🇧 740 65 28ms 2 Jun 2021 691st Manby 740 65 78ms 7 Jul 2021 691st lilyyy411 740 65 26ms 10 Sep 2021 691st cbondurant 740 65 14ms 6 Jul 2022 691st andre-de-lorde 740 65 28ms 9 Sep 2022 691st 5space 740 65 168ms 11 Sep 2022 691st trinityy-7 740 65 25ms 13 Sep 2023 691st yuchuehw 740 65 30ms 18 Jan 2024 691st snoozingnewt 🇺🇸 740 65 26ms 4 Feb 2024 691st dokutan 740 65 24ms 28 Feb 2024 691st xyangst 740 65 24ms 1 Oct 2024 691st JunkIce 740 65 25ms 13 Mar 2025 691st Flekay 🇩🇪 740 65 28ms 10 Jul 2025 691st ahmetdemirag 🇨🇾 740 65 24ms 30 Jul 2025 708th cywong-amino 🇭🇰 738 68 24ms 2 Jul 2020 708th tayloia 🇬🇧 738 68 23ms 15 May 2023 710th MeWhenI 🇻🇦 738 103 524ms 28 Feb 2022 711th annaproxy 737 115 392ms 27 Oct 2023 712th WildTooth 734 85 475ms 16 days ago 713th Herbert00709 🇵🇱 733 64 2,438ms 29 Oct 2024 714th Herbert00709 🇵🇱 733 141 82ms 25 Oct 2024 715th lynn 732 63 15ms 15 Nov 2021 716th Irratix 🇳🇱 732 81 165ms 1 Oct 2021 717th MasFlam 731 48 232ms 21 Jun 2024 718th primo-ppcg 🇹🇭 731 73 993ms 25 Nov 2021 718th anter69 🇭🇺 731 73 934ms 19 Apr 2024 720th stefangimmillaro 731 116 443ms 18 Jul 2023 721st kohlrabi 729 66 16ms 5 Feb 2020 721st stordev 729 66 75ms 26 Feb 2021 721st lmolteno 729 66 27ms 9 Mar 2021 721st dillon-duncando 729 66 24ms 6 Dec 2021 721st NDR0216 🇹🇼 729 66 26ms 13 Feb 2023 721st quimey 729 66 14ms 6 Mar 2023 721st ImpressedByRocks 729 66 11ms 24 May 2025 728th jared-hughes 728 142 88ms 7 Feb 2023 729th SirFireball3521 727 43 91ms 14 Feb 2023 730th MeWhenI 🇻🇦 727 69 25ms 3 Aug 2024 731st GolfingSuccess 🇬🇷 727 815 729ms 10 Aug 2022 732nd roguh 🇬🇹 726 59 5ms 26 Jan 2024 733rd Herbert00709 🇵🇱 726 63 449ms 13 May 2024 734th LS2021 724 117 354ms 24 Nov 2023 735th CatsAreFluffy 723 82 124ms 7 Dec 2022 736th emgordon154 723 166 1,243ms 30 Apr 2025 737th urojony 🇵🇱 718 67 26ms 3 Jan 2021 737th tetraxile 718 67 25ms 3 Oct 2021 737th Nibamot 718 67 13ms 10 Dec 2021 737th GeorgeStechman 🇬🇧 718 67 50ms 6 Jan 2024 737th RandGuy 718 67 25ms 25 Jan 2024 737th Ralac07 🇦🇺 718 67 25ms 16 Feb 2024 737th inverseLorentz 🇦🇺 718 67 101ms 10 Apr 2024 744th MeWhenI 🇻🇦 718 118 433ms 8 Dec 2022 745th dmrichwa 🇺🇸 717 70 23ms 19 Mar 2022 745th Naruyoko 717 70 64ms 13 Aug 2023 747th dokutan 715 64 434ms 28 Feb 2024 748th Yewzir 🇧🇪 713 145 803ms 14 May 2024 749th BrenSchaap 711 48 42ms 12 Nov 2021 749th jared-hughes 711 48 36ms 20 Jan 2023 First Prev 676–750 of 2,769 Next Last