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 448th Natanaelel 🇸🇪 779 94 10ms 9 Dec 2023 448th LukeBridges 🇬🇧 779 94 10ms 2 Oct 2024 453rd MostParsingVex 779 150 2ms 3 Jan 2025 454th emgordon154 778 94 150ms 14 Nov 2024 454th ovs-code 🇩🇪 778 94 164ms 17 Apr 2025 454th rucin93 🇵🇱 778 94 142ms 13 Jun 2025 457th Indivicivet 778 133 17ms 9 May 2022 457th QuincyNash 🇺🇸 778 133 15ms 2 Dec 2022 457th 2011-Chan-Ethan 778 133 17ms 16 Sep 2023 457th yuchuehw 778 133 21ms 3 Feb 2024 457th snoozingnewt 🇺🇸 778 133 17ms 4 Feb 2024 457th neel11235813 778 133 16ms 17 Mar 2024 457th joll05 🇸🇪 778 133 17ms 27 days ago 457th Babafaba 778 133 17ms 5 days ago 465th GolfingSuccess 🇬🇷 778 144 12ms 30 Jan 2025 466th jwhear 🇺🇸 777 240 264ms 20 Mar 2023 467th GolfingSuccess 🇬🇷 776 126 6ms 20 Aug 2024 468th CLOStrophobic 🇮🇹 776 133 7ms 19 Feb 2025 469th canissimia 🇦🇶 776 355 253ms 19 May 2023 470th primo-ppcg 🇹🇭 776 381 12ms 13 Aug 2025 471st Shanethegamer 🇺🇸 775 105 986ms 12 Dec 2022 472nd canissimia 🇦🇶 775 585 95ms 17 Mar 2024 473rd primo-ppcg 🇹🇭 774 48 24ms 15 Feb 2022 474th edsrzf 🇳🇿 773 206 364ms 3 days ago 475th Heathcorp 🇦🇺 772 134 26ms 7 Oct 2022 475th madex 🇩🇪 772 134 37ms 9 Jul 2024 475th LostSyntax21 🇬🇧 772 134 25ms 2 Dec 2024 475th albanian-laundromat 772 134 34ms 12 Apr 2025 475th Lv0Sys 🇵🇱 772 134 28ms 1 Jun 2025 475th fkantelberg 772 134 20ms 19 Jul 2025 481st MeWhenI 🇻🇦 771 75 243ms 28 Jan 2023 481st SirBogman 🇺🇸 771 75 424ms 2 Feb 2024 483rd dmrichwa 🇺🇸 771 95 10ms 16 May 2022 483rd junkondo-jp 771 95 9ms 4 Jun 2024 483rd madeforlosers 771 95 10ms 5 Nov 2024 486th ovs-code 🇩🇪 771 106 1,007ms 27 Oct 2023 486th alemelis 771 106 816ms 26 Aug 2024 488th kg583 🇺🇸 771 166 45ms 13 Feb 2025 489th 77Tigers 771 242 257ms 10 Apr 2024 490th CatsAreFluffy 770 85 148ms 31 Jan 2023 491st Shanethegamer 🇺🇸 770 174 2,918ms 4 Nov 2024 492nd inventshah 769 152 1ms 29 Mar 2025 493rd namelessiw 769 207 372ms 17 days ago 494th janbehrens 🇩🇪 767 135 27ms 1 Jul 2022 494th mwja 767 135 21ms 21 Aug 2024 496th edsrzf 🇳🇿 766 175 2,700ms 10 Jun 2025 497th Natanaelel 🇸🇪 765 53 34ms 12 Feb 2022 498th cbrt-x 765 173 186ms 11 Oct 2023 499th ChiefChippy2 762 64 38ms 12 Feb 2022 499th GrayJoKing 🇦🇺 762 64 40ms 13 Feb 2022 501st AlephSquirrel 762 108 710ms 21 Jan 2024 501st fuzzylojik-golf 🇺🇸 762 108 660ms 24 Jul 2025 503rd ovs-code 🇩🇪 762 176 522ms 2 Mar 2022 504th martinnorling 🇸🇪 761 136 29ms 15 Feb 2022 504th adoxography 761 136 17ms 20 Mar 2022 504th nullie 761 136 16ms 14 Jun 2022 504th AGoyet 761 136 16ms 17 Jul 2022 504th inverseLorentz 🇦🇺 761 136 26ms 21 Feb 2024 504th chartung17 761 136 15ms 20 Apr 2025 504th FlorianCassayre 🇫🇷 761 136 17ms 5 Aug 2025 504th Luke44565 761 136 18ms 10 Aug 2025 504th blaztoma 🇱🇹 761 136 17ms 15 Sep 2025 504th luuumine 🇫🇷 761 136 18ms 11 days ago 514th xsot 🇸🇬 759 110 18ms 10 Jun 2025 515th jared-hughes 759 129 4ms 10 Apr 2022 515th adriweb 🇫🇷 759 129 2ms 3 Sep 2023 517th JDiLenarda 🇫🇷 759 171 1,554ms 25 Nov 2023 518th MeWhenI 🇻🇦 759 178 130ms 8 Mar 2023 519th AdrienHache 🇫🇷 758 180 416ms 1 Feb 2025 520th MeWhenI 🇻🇦 757 148 11ms 22 Dec 2024 521st stackofbears 756 76 42ms 20 Sep 2023 522nd P-Quentin 🇫🇷 756 137 15ms 5 Aug 2022 522nd nstearns96 🇬🇧 756 137 26ms 15 Dec 2022 522nd mossprescott 756 137 11ms 19 Jan 2023 522nd taesungh 756 137 24ms 15 Oct 2023 First Prev 451–525 of 1,118 Next Last