The Minesweeper hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Reverse Polish Notation 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 749th Babafaba 658 125 538ms 5 days ago 752nd h3ra993huskp 🇯🇵 658 242 320ms 2 Jun 2024 753rd CatsAreFluffy 657 178 2ms 24 Feb 2023 754th edsrzf 🇳🇿 657 282 6ms 20 Feb 2025 755th Salutations45 653 96 2ms 22 Jan 2025 756th albanian-laundromat 653 126 527ms 12 Sep 2025 757th jerrandolph 653 280 298ms 19 Dec 2023 758th UnderKoen 🇳🇱 652 284 11ms 26 Aug 2025 759th Florian-Mt 652 286 307ms 15 Jul 2024 760th neihousaigaai 651 159 20ms 20 Feb 2022 760th brimstonetrader 651 159 16ms 8 Jan 2024 762nd TehFlaminTaco 648 113 34ms 10 Nov 2022 763rd Shanethegamer 🇺🇸 648 151 21ms 14 Aug 2024 764th AdamMorris377 647 160 18ms 29 Aug 2024 764th Emutis 🇱🇹 647 160 16ms 2 Nov 2024 766th not-a-pokemon 646 181 2ms 5 Jul 2025 767th CatsAreFluffy 646 205 156ms 31 Mar 2023 768th SirBogman 🇺🇸 646 283 50ms 31 Dec 2023 769th Shanethegamer 🇺🇸 644 152 3ms 12 Apr 2024 770th CaedenHarper 🇨🇦 644 212 390ms 10 days ago 771st brimstonetrader 643 206 155ms 21 Jan 2024 772nd jupj 🇫🇮 642 182 2ms 16 Sep 2022 772nd jared-hughes 642 182 2ms 9 Jan 2023 774th janbehrens 🇩🇪 639 128 2,070ms 23 Feb 2022 775th glesnick 639 162 20ms 15 Jul 2022 775th m42km 639 162 32ms 3 Feb 2024 775th nilan425 639 162 16ms 4 Jul 2025 778th MiffOttah 638 214 362ms 28 Nov 2024 779th Florian-Mt 637 115 10ms 27 Oct 2023 780th DialFrost 🇸🇬 637 287 280ms 29 May 2025 781st NickTheEASDude 🇺🇸 636 154 3ms 18 Sep 2024 782nd zlee1 635 163 19ms 27 Apr 2022 782nd aglahir1 635 163 20ms 20 Jul 2022 782nd FortuiteMan 🇫🇷 635 163 10ms 3 Sep 2023 785th Yewzir 🇧🇪 635 211 492ms 9 Feb 2023 786th edsrzf 🇳🇿 634 175 103ms 10 Jun 2025 787th DialFrost 🇸🇬 633 77 36ms 25 Dec 2024 788th DialFrost 🇸🇬 633 147 136ms 4 Jul 2025 789th jared-hughes 632 221 2,554ms 9 Jan 2023 790th GolfingSuccess 🇬🇷 631 163 148ms 29 Jul 2025 791st stefangimmillaro 628 133 7ms 2 Jul 2023 792nd yishayv 627 165 18ms 24 Jan 2023 792nd Aquateraneal 627 165 16ms 12 Aug 2025 794th dokutan 627 190 141ms 12 Jul 2024 795th JRaspass 🇬🇧 626 292 279ms 18 May 2022 796th SirBogman 🇺🇸 625 92 37ms 23 Apr 2022 797th MeWhenI 🇻🇦 625 117 150ms 3 Aug 2024 798th JunkIce 624 132 583ms 3 Dec 2024 799th za3k 624 166 12ms 8 Oct 2022 799th willdaspit 624 166 17ms 5 Aug 2023 801st targrik 623 134 7ms 14 Aug 2025 802nd albanian-laundromat 622 117 3,743ms 22 Sep 2025 803rd madex 🇩🇪 622 188 2ms 10 Apr 2022 804th FlyingPenguin223 620 158 3ms 20 Dec 2024 804th Beariish 620 158 2ms 27 Mar 2025 806th bbakersmith 620 167 17ms 28 Jun 2022 807th elPossenreisser 620 220 373ms 6 May 2022 808th olivermrose 🇺🇸 617 79 45ms 15 Apr 2022 809th msbranicky 616 168 16ms 5 Aug 2023 810th janAkali 🇷🇺 615 208 442ms 9 Oct 2024 811th annaproxy 615 222 358ms 29 Mar 2022 812th sean-niemann 🇺🇸 614 102 2ms 6 Jun 2023 813th MichaelMBradley 🇨🇦 612 169 14ms 25 May 2022 813th try-except-try-accept 🇹🇭 612 169 16ms 27 Jun 2022 813th jameswmccarty 612 169 20ms 13 Sep 2024 816th emgordon154 612 219 703ms 28 May 2025 817th adlerzei 612 223 355ms 5 May 2022 818th efgen 610 120 11ms 28 Dec 2023 819th wackbyte 610 306 260ms 7 Dec 2023 820th IISResetMe 609 95 328ms 6 Mar 2024 821st Y0UR-U5ERNAME 609 170 17ms 22 Feb 2023 821st FoxFGC 609 170 17ms 30 Nov 2023 823rd msbranicky 609 300 267ms 31 Aug 2023 824th Eugen-str 605 171 18ms 1 Nov 2023 824th ridingqwerty 🇺🇸 605 171 16ms 20 May 2025 First Prev 751–825 of 1,118 Next Last