The Minesweeper hole will go live in approximately 5 days. Why not try and solve it ahead of time?
PalindromemordnilaP 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 601st snoozingnewt 🇺🇸 495 160 112ms 1 Sep 2024 602nd Shanethegamer 🇺🇸 493 115 2ms 1 Sep 2024 603rd matsagad 491 127 11ms 16 Jan 2025 604th madex 🇩🇪 490 183 2ms 2 Sep 2024 605th xyangst 487 128 11ms 12 Oct 2024 606th snoozingnewt 🇺🇸 480 120 355ms 12 days ago 607th snoozingnewt 🇺🇸 478 185 360ms 21 days ago 608th junkondo-jp 475 149 8ms 15 Dec 2024 609th snoozingnewt 🇺🇸 475 189 2ms 17 days ago 610th rucin93 🇵🇱 475 251 261ms 5 Sep 2024 611th KatieLG 🇬🇧 475 292 8ms 1 Sep 2024 612th janAkali 🇷🇺 470 171 413ms 17 May 2025 613th R4z0rX 465 152 9ms 1 Sep 2024 614th DialFrost 🇸🇬 465 207 480ms 24 Sep 2025 615th iczelia 🇩🇪 462 194 2ms 15 days ago 616th Stockoh 🇫🇷 455 137 9ms 17 Oct 2024 617th two-bad 🇬🇧 454 156 10ms 4 Oct 2024 618th brimstonetrader 452 138 15ms 17 Oct 2024 619th snoozingnewt 🇺🇸 450 177 93ms 3 days ago 620th ravnskjaer 🇩🇰 450 214 464ms 11 Sep 2024 621st msbranicky 443 269 234ms 1 Sep 2024 622nd ehulinsky 🇺🇸 430 122 4ms 3 Apr 2025 623rd Yax42 🇫🇷 430 224 525ms 21 days ago 624th aksyristos 418 101 35ms 17 Nov 2024 625th LostSyntax21 🇬🇧 418 149 10ms 2 Sep 2024 626th MeWhenI 🇻🇦 412 260 81ms 13 Jun 2025 627th bac0id 403 266 2,605ms 10 Jan 2025 628th HunterC14 402 155 10ms 21 Oct 2024 629th Jacob385 401 240 450ms 4 Sep 2024 630th zakariamouhid 397 178 10ms 14 Sep 2024 631st galloj 🇨🇿 396 101 8ms 4 Sep 2024 632nd dokutan 395 155 246ms 1 Sep 2024 633rd Naitzirch 🇳🇱 395 158 9ms 3 Jul 2025 634th varhammer 🇷🇺 389 235 9ms 6 days ago 635th Apzyte-Gamer 378 165 12ms 28 Oct 2024 636th CyberTapir 369 169 11ms 1 Sep 2024 637th Giantnoodlemonster 365 246 2ms 27 Sep 2024 638th IISResetMe 364 127 407ms 17 Nov 2024 639th MeWhenI 🇻🇦 363 135 7ms 26 Sep 2024 640th rollershutter 354 176 11ms 18 Nov 2024 641st Mikey-Beep 🇬🇧 354 193 19ms 13 Aug 2025 642nd snoozingnewt 🇺🇸 329 186 8ms 1 Sep 2024 643rd mathisfun271 320 195 11ms 3 Oct 2024 644th nephila-nacrea 🇬🇧 283 132 4ms 4 Sep 2024 645th AidanWalter 282 221 10ms 3 Jan 2025 646th KatieLG 🇬🇧 262 459 1,332ms 15 Sep 2024 647th timhaj 🇸🇮 261 239 11ms 19 Sep 2024 648th bidger 261 369 435ms 20 Sep 2024 649th KatieLG 🇬🇧 259 460 216ms 15 Sep 2024 650th snoozingnewt 🇺🇸 241 444 1,076ms 19 days ago 651st KatieLG 🇬🇧 200 401 159ms 15 Sep 2024 652nd KatieLG 🇬🇧 176 398 8ms 15 Sep 2024 653rd KatieLG 🇬🇧 171 768 284ms 15 Sep 2024 654th KatieLG 🇬🇧 112 466 4ms 15 Sep 2024 655th Msleizak 🇫🇷 109 424 254ms 7 Feb 2025 656th KatieLG 🇬🇧 103 937 517ms 15 Sep 2024 657th KatieLG 🇬🇧 86 1,032 451ms 15 Sep 2024 658th dokutan 64 1,663 86ms 23 Apr 2025 659th dokutan 54 1,663 2ms 23 Apr 2025 660th darrenks 0 10 65ms 19 Apr 2025 660th lyphyser 0 10 67ms 25 May 2025 662nd 2bular 0 11 67ms 23 Mar 2025 662nd Natanaelel 🇸🇪 0 11 66ms 25 Mar 2025 662nd plcc0 0 11 68ms 5 May 2025 665th kg583 🇺🇸 0 12 209ms 14 May 2025 666th lyxal 🇦🇺 0 14 561ms 17 May 2025 667th plcc0 0 17 534ms 20 Mar 2025 668th GolfingSuccess 🇬🇷 0 28 118ms 13 Aug 2025 669th KatieLG 🇬🇧 0 29 4ms 9 Feb 2025 669th Shanethegamer 🇺🇸 0 29 4ms 29 May 2025 671st AlephSquirrel 0 30 4ms 1 Jul 2025 672nd ovs-code 🇩🇪 0 39 16ms 8 Jun 2025 673rd GolfingSuccess 🇬🇷 0 75 2ms 5 Aug 2025 674th dokutan 0 86 63ms 28 Jun 2025 675th sean-niemann 🇺🇸 0 90 66ms 27 Apr 2025 First Prev 601–675 of 676 Next Last