The Minesweeper hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Rijndael S-box 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 226th AlephSquirrel 648 138 609ms 4 Feb 2024 227th sisyphus-ppcg 🇦🇺 648 163 9ms 1 Sep 2023 227th Steffan153 🇫🇮 648 163 9ms 19 Oct 2023 229th dokutan 647 135 13ms 10 Sep 2025 230th GrayJoKing 🇦🇺 642 127 35ms 18 Nov 2023 231st SirBogman 🇺🇸 639 231 423ms 27 Sep 2023 232nd SirBogman 🇺🇸 637 132 61ms 5 Mar 2024 233rd KatieLG 🇬🇧 637 137 137ms 29 Jul 2024 233rd ovs-code 🇩🇪 637 137 34ms 17 Mar 2025 235th emgordon154 636 151 133ms 18 Oct 2024 236th dvargas46 🇺🇸 635 164 5ms 7 Sep 2023 237th weliveinhell 🇭🇹 630 284 3ms 15 Jan 2024 238th blaztoma 🇱🇹 629 118 208ms 9 days ago 239th CaedenHarper 🇨🇦 629 235 600ms 18 days ago 240th AlephSquirrel 628 139 30ms 4 Feb 2024 241st error256 628 163 298ms 8 Sep 2024 242nd xnor-gate 624 140 390ms 9 Sep 2023 242nd wh3n3v3r 🇨🇿 624 140 117ms 18 Nov 2024 244th DialFrost 🇸🇬 623 237 383ms 24 Sep 2025 245th lifthrasiir 🇰🇷 621 170 11ms 23 Nov 2024 246th emplv 🇱🇻 620 155 139ms 9 days ago 247th Natanaelel 🇸🇪 618 132 57ms 10 Sep 2023 248th acotis 616 170 148ms 29 May 2025 249th stefangimmillaro 616 222 48ms 26 Apr 2025 250th nwellnhof 🇩🇪 615 142 34ms 15 Nov 2023 250th bizy-coder 615 142 17ms 29 Oct 2024 252nd ovs-code 🇩🇪 610 168 302ms 12 May 2024 253rd weliveinhell 🇭🇹 607 141 1,099ms 6 Jun 2024 254th GolfingSuccess 🇬🇷 604 338 6ms 19 Aug 2024 255th MeWhenI 🇻🇦 603 142 1,056ms 1 Sep 2023 256th canissimia 🇦🇶 602 145 94ms 9 Sep 2023 256th SB-945 602 145 53ms 12 Sep 2025 258th lyphyser 602 174 159ms 8 Sep 2023 259th emgordon154 600 105 2ms 27 Sep 2025 260th SirBogman 🇺🇸 600 149 598ms 20 Jan 2024 261st SirBogman 🇺🇸 600 204 1,344ms 21 Sep 2023 262nd GrayJoKing 🇦🇺 596 150 725ms 16 Jan 2024 263rd emgordon154 596 283 5ms 10 Jan 2025 264th CaedenHarper 🇨🇦 595 231 418ms 8 days ago 265th annaproxy 595 318 15ms 1 Sep 2023 266th inventshah 593 249 340ms 3 Sep 2023 267th MeWhenI 🇻🇦 591 246 5ms 11 Oct 2023 268th juliusgeo 590 148 22ms 17 Sep 2023 268th 5cw 🇺🇸 590 148 440ms 17 Jul 2025 270th dcgjb 589 141 393ms 5 Jun 2024 271st emgordon154 587 348 4ms 30 Aug 2024 272nd duckyluuk 🇳🇱 583 570 8ms 13 Jun 2025 273rd AdrienHache 🇫🇷 581 143 213ms 2 Jan 2024 274th MeWhenI 🇻🇦 581 154 488ms 17 Jan 2024 275th GrayJoKing 🇦🇺 578 151 24ms 15 Nov 2023 275th yzhs 🇩🇪 578 151 21ms 24 Mar 2024 277th janbehrens 🇩🇪 578 232 7ms 30 Dec 2023 278th Yax42 🇫🇷 577 238 400ms 20 Jun 2025 279th Yewzir 🇧🇪 576 577 7ms 18 Dec 2024 280th FlorianCassayre 🇫🇷 574 152 13ms 18 Sep 2023 280th Seek64 🇩🇪 574 152 31ms 5 Jun 2024 282nd jared-hughes 571 185 10ms 7 Sep 2023 282nd stefangimmillaro 571 185 14ms 30 Sep 2024 284th snoozingnewt 🇺🇸 570 157 411ms 20 days ago 285th MeWhenI 🇻🇦 567 154 52ms 1 Sep 2023 286th Argeento 🇵🇱 565 187 9ms 4 Oct 2023 287th MeWhenI 🇻🇦 563 186 1,221ms 15 Sep 2025 288th jmerle 🇳🇱 562 760 7ms 1 Sep 2023 289th dokutan 557 767 7ms 12 Jan 2024 289th error256 557 767 7ms 7 Jul 2024 289th KatieLG 🇬🇧 557 767 7ms 31 Jul 2024 289th Shanethegamer 🇺🇸 557 767 10ms 11 May 2025 289th snoozingnewt 🇺🇸 557 767 7ms 25 days ago 294th snoozingnewt 🇺🇸 556 157 11ms 20 days ago 295th Steffan153 🇫🇮 553 241 65ms 20 Jul 2024 296th ndren 550 777 9ms 1 Sep 2023 297th bricknellj 549 159 149ms 23 Apr 2025 298th tobeannouncd 548 352 147ms 20 Dec 2024 299th MeWhenI 🇻🇦 546 782 7ms 1 Sep 2023 299th msbranicky 546 782 7ms 15 Sep 2023 First Prev 226–300 of 1,273 Next Last