The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
√2 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 869th Unknownuserfrommars 694 69 17ms 21 Nov 2024 869th yokasuretsu 694 69 13ms 31 Dec 2024 869th clayboll99 694 69 15ms 10 Jul 2025 904th snoozingnewt 🇺🇸 694 88 444ms 16 days ago 905th janbehrens 🇩🇪 692 72 41ms 30 Dec 2023 905th emgordon154 692 72 74ms 4 Aug 2024 907th SmartK8 🇨🇿 691 122 448ms 1 Nov 2022 907th tomh1012 691 122 363ms 8 Sep 2025 909th MeWhenI 🇻🇦 690 29 664ms 25 Jul 2022 909th lifthrasiir 🇰🇷 690 29 55ms 5 Dec 2024 911th annaproxy 688 49 76ms 27 Aug 2022 911th anter69 🇭🇺 688 49 35ms 19 Apr 2024 911th croc54 688 49 32ms 10 Dec 2024 914th RustemB 🇷🇺 685 41 122ms 26 Feb 2020 915th petar-donchev 684 70 50ms 1 Sep 2019 915th cubed-guy 684 70 50ms 20 Sep 2021 915th kenny14231 684 70 13ms 9 Oct 2021 915th GioacchinoGT02 684 70 18ms 3 Dec 2024 919th yzhs 🇩🇪 684 86 136ms 24 Jul 2021 919th strout 684 86 142ms 26 Aug 2022 921st MeWhenI 🇻🇦 684 232 47ms 6 Jun 2023 922nd m-tkach 🇺🇦 684 259 62ms 27 Jun 2022 923rd aliakseikalosha 680 124 531ms 17 Oct 2024 924th duckyluuk 🇳🇱 679 90 439ms 25 Sep 2025 925th juliansiebert 🇩🇪 678 68 186ms 3 Aug 2022 926th primo-ppcg 🇹🇭 676 196 2,259ms 3 Feb 2022 927th teddyward 675 71 13ms 9 Jan 2021 927th xkacer 🇨🇿 675 71 13ms 25 Jan 2021 927th sadfun 675 71 14ms 29 Jan 2021 927th ArmaanAS 675 71 13ms 24 Mar 2021 927th classAndrew 675 71 16ms 1 Aug 2021 927th SpareManiKatti 675 71 10ms 10 Sep 2021 927th JGDoerrer 675 71 14ms 22 Jan 2022 927th lovernj 675 71 13ms 7 Feb 2022 927th elephantpanda 675 71 11ms 31 Aug 2022 927th sandorstormen 675 71 14ms 25 Nov 2022 927th Vinterion 675 71 12ms 24 Jul 2023 927th sulphemi 675 71 14ms 5 Oct 2023 927th dal548 675 71 13ms 12 Jun 2024 927th Mabeloid 🇳🇴 675 71 16ms 6 Sep 2024 927th rustykitty 675 71 18ms 30 hours ago 942nd Shanethegamer 🇺🇸 671 111 478ms 5 Mar 2022 943rd MeWhenI 🇻🇦 669 193 130ms 3 Sep 2023 944th Natanaelel 🇸🇪 668 42 94ms 19 Feb 2023 945th dcgjb 668 69 1,588ms 13 May 2024 946th Wheatwizard 668 88 224ms 19 Jul 2019 947th SirBogman 🇺🇸 668 151 76ms 30 May 2023 948th paralysedforce 665 72 26ms 24 Nov 2020 948th AkashTandon167 665 72 10ms 1 Nov 2021 948th Bananapants22 665 72 18ms 16 Aug 2022 948th CatsAreFluffy 665 72 16ms 19 Feb 2023 952nd helbling 🇨🇭 665 75 60ms 4 Jun 2024 953rd Steffan153 🇫🇮 664 52 52ms 29 Aug 2024 954th CheeseCake628 🇳🇴 662 67 495ms 17 Jan 2024 955th prplz 🇦🇺 661 51 108ms 2 Feb 2020 955th Irratix 🇳🇱 661 51 66ms 1 Jul 2022 957th MeWhenI 🇻🇦 660 196 4ms 12 Aug 2024 958th dokutan 658 47 889ms 30 Aug 2025 958th CaedenHarper 🇨🇦 658 47 811ms 6 Sep 2025 960th stefangimmillaro 658 110 127ms 3 Oct 2023 961st janbehrens 🇩🇪 658 128 440ms 21 Nov 2021 962nd yzhs 🇩🇪 656 50 192ms 21 Jun 2022 962nd Andriamanitra 🇫🇮 656 50 166ms 23 Sep 2022 964th trist224 🇫🇷 656 73 12ms 25 Dec 2022 964th TaserTheFox 🇺🇸 656 73 24ms 9 Feb 2023 964th Datadramah 656 73 15ms 12 Jan 2024 964th jacekwladzinski 656 73 14ms 20 days ago 968th shuding 656 76 59ms 28 Apr 2020 968th thisishowmymindworks 🇳🇴 656 76 18ms 14 Oct 2020 968th coreynash 656 76 26ms 21 Mar 2024 971st msbranicky 653 68 361ms 16 Jan 2024 971st Stockoh 🇫🇷 653 68 441ms 24 Jun 2024 971st Lv0Sys 🇵🇱 653 68 419ms 30 May 2025 974th dokutan 650 199 4ms 12 Aug 2024 975th SirBogman 🇺🇸 649 52 72ms 5 Jun 2022 First Prev 901–975 of 2,742 Next Last