The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Roman to Arabic 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 900th KaleChips22 551 138 12ms 3 Aug 2025 902nd Waffle3z 549 105 75ms 22 Jan 2021 903rd ludwig-n 549 173 22ms 4 Apr 2020 903rd CodeAltF4 549 173 28ms 8 Mar 2022 903rd myleopard 549 173 26ms 23 Dec 2022 906th ShiraJoseph 🇺🇸 547 139 17ms 25 Jun 2023 907th UnderKoen 🇳🇱 547 225 90ms 8 Jul 2024 908th HumanoidCPU 546 144 703ms 7 Jun 2024 909th ehulinsky 🇺🇸 546 174 22ms 8 May 2023 909th keelimeguy 🇺🇸 546 174 25ms 17 May 2025 909th Code-Coder-coder 546 174 26ms 14 days ago 912th mckymsh 543 140 13ms 1 Mar 2022 913th IISResetMe 542 112 783ms 8 Mar 2024 913th CaedenHarper 🇨🇦 542 112 329ms 22 Aug 2025 915th emgordon154 541 362 1,322ms 22 May 2025 916th andrewteske 540 176 23ms 28 Nov 2021 916th sciencejiho 540 176 19ms 26 Sep 2024 918th olivermrose 🇺🇸 538 107 106ms 24 Oct 2021 919th Pale-Vessel 537 177 22ms 18 Dec 2023 920th nephila-nacrea 🇬🇧 536 108 40ms 17 Jan 2018 921st lrustand 534 178 28ms 15 Jan 2018 921st alangodfrey 534 178 22ms 7 Feb 2019 921st richard-oelze 🇩🇪 534 178 23ms 7 Mar 2021 921st mossiegoat 534 178 29ms 24 Aug 2025 925th hrrs01 533 108 64ms 29 Jan 2018 926th xkacer 🇨🇿 532 143 19ms 25 Jan 2021 926th trinityy-7 532 143 13ms 17 Mar 2024 928th elgan65536 532 214 209ms 27 Mar 2024 929th Bonjour27891 🇻🇳 531 179 23ms 15 Mar 2022 929th ridingqwerty 🇺🇸 531 179 21ms 26 Feb 2024 931st yzhs 🇩🇪 529 109 44ms 20 Jul 2022 932nd ZoDoneRightNow 529 169 35ms 13 days ago 933rd emgordon154 528 144 18ms 9 Dec 2021 934th hjcafaroUC 528 180 23ms 9 Aug 2020 934th nullie 528 180 38ms 15 Jun 2022 934th hellwue 528 180 25ms 8 Feb 2023 934th thienudomsrirungruang 528 180 20ms 2 Apr 2024 938th somebody1234 526 110 43ms 27 Mar 2018 939th lrekowski 525 181 27ms 11 Feb 2021 940th CaedenHarper 🇨🇦 525 373 1,434ms 22 Aug 2025 941st yokasuretsu 524 110 60ms 30 Apr 2018 942nd albanian-laundromat 524 124 2,376ms 4 hours ago 943rd Kibble 524 145 13ms 4 Oct 2020 943rd IchBinMichMarkus 524 145 13ms 11 Jul 2023 945th jerrandolph 523 242 273ms 8 Nov 2023 946th goodingc 520 219 210ms 3 Oct 2021 947th Haksell 🇦🇶 519 111 69ms 22 Feb 2023 948th zuparnowa 519 183 28ms 11 Feb 2019 948th henrytranter 519 183 28ms 20 Sep 2019 948th argusdusty 🇺🇸 519 183 28ms 31 Dec 2020 948th 4ndyJ 🇬🇧 519 183 20ms 6 Mar 2023 948th JunkIce 519 183 28ms 9 Oct 2024 948th Flekay 🇩🇪 519 183 34ms 10 Jul 2025 954th didion0 🇺🇸 517 147 16ms 23 Feb 2021 954th null-tangent 517 147 17ms 11 Sep 2022 956th emgordon154 516 156 179ms 13 Dec 2024 957th nyoshe 516 163 4ms 25 Jan 2025 958th joshmoody24 516 184 25ms 4 Mar 2022 958th jumpingtj 516 184 30ms 9 Mar 2025 960th jalone87 516 191 106ms 6 Feb 2020 961st HumanoidCPU 516 245 301ms 26 Aug 2024 962nd michelebastione 🇮🇹 514 185 29ms 28 May 2021 962nd danielweper 514 185 30ms 21 Oct 2021 964th JGDoerrer 514 200 420ms 5 Jan 2022 965th vgamula 🇺🇦 514 247 41ms 27 Jul 2023 966th masinag 🇮🇹 513 164 4ms 25 Nov 2024 967th neihousaigaai 512 200 711ms 18 May 2021 968th Natz12 511 186 27ms 17 Mar 2023 968th stertooy 🇧🇪 511 186 36ms 12 Jun 2024 970th ian-h-chamberlain 🇺🇸 510 149 11ms 19 Dec 2019 970th shreyasminocha 510 149 13ms 2 Aug 2020 970th xnacly 🇩🇪 510 149 16ms 27 Jun 2023 973rd JDiLenarda 🇫🇷 509 193 1,311ms 30 Oct 2020 974th jrm5399 🇰🇿 508 187 19ms 11 Nov 2021 974th andrewjc2000 508 187 27ms 19 May 2025 First Prev 901–975 of 1,379 Next Last