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 826th andrewjc2000 602 172 19ms 19 Aug 2025 827th Shanethegamer 🇺🇸 602 232 2,550ms 16 Feb 2022 828th emgordon154 602 310 298ms 6 Mar 2025 829th RockOfStone 601 163 2ms 14 Mar 2024 830th dokutan 600 122 10ms 5 Jun 2025 831st MeWhenI 🇻🇦 600 174 6ms 15 Oct 2023 832nd emgordon154 600 414 1,014ms 24 days ago 833rd bac0id 599 233 71ms 27 Jun 2024 834th janbehrens 🇩🇪 598 266 432ms 26 Feb 2022 834th cbrt-x 598 266 392ms 6 May 2022 836th CaedenHarper 🇨🇦 595 82 46ms 13 Sep 2025 837th RZ781 591 175 10ms 27 Nov 2023 838th pschmid0 🇺🇸 588 142 8ms 17 Oct 2022 839th jhpaques 🇫🇷 588 176 18ms 27 Jul 2022 840th genmeblog 587 169 10ms 11 Dec 2023 841st mwja 586 125 10ms 22 Aug 2024 842nd 0xjac 🇨🇭 586 312 258ms 8 Jun 2025 843rd Florian-Mt 585 177 20ms 15 Jul 2024 844th RobertHoeh 585 229 3,946ms 21 days ago 845th Shanethegamer 🇺🇸 584 99 320ms 20 Apr 2022 846th jared-hughes 584 103 54ms 18 Jul 2022 847th KatieLG 🇬🇧 584 141 501ms 17 Aug 2024 848th stefangimmillaro 584 190 129ms 22 Oct 2022 849th jmerle 🇳🇱 582 178 19ms 15 Feb 2023 850th eiburns 581 126 9ms 28 Feb 2022 850th tomh1012 581 126 10ms 4 Mar 2022 850th Vaekor 581 126 9ms 28 Jul 2023 850th iczelia 🇩🇪 581 126 11ms 17 days ago 854th Phil-RGOMEGA 580 169 2ms 30 Aug 2023 855th Mabeloid 🇳🇴 576 170 3ms 29 Sep 2024 855th frosster 576 170 2ms 26 Mar 2025 857th Aurel300 🇨🇭 576 324 232ms 3 Jun 2024 858th CheeseCake628 🇳🇴 575 180 18ms 11 Dec 2023 859th MeWhenI 🇻🇦 573 234 492ms 19 Aug 2022 860th aliakseikalosha 573 238 384ms 16 Jul 2025 861st acollett89 572 128 10ms 4 Aug 2025 862nd emgordon154 570 143 9ms 23 Dec 2024 863rd arjanadriaanse 🇳🇱 568 50 5ms 23 Feb 2022 864th Mabeloid 🇳🇴 568 145 548ms 4 May 2025 865th Trunksistor 🇫🇷 566 183 18ms 14 Apr 2022 866th jacksonhenry3 563 184 16ms 7 Mar 2023 867th akiratee 561 87 43ms 7 days ago 868th Shanethegamer 🇺🇸 561 184 14ms 4 Oct 2024 869th Yewzir 🇧🇪 560 63 72ms 11 Mar 2024 870th Shanethegamer 🇺🇸 560 149 7ms 2 Jul 2023 871st S-Ruban 560 185 18ms 28 Feb 2023 872nd aposteriorist 🇨🇦 559 240 550ms 28 Feb 2022 873rd targrik 559 327 283ms 3 Jul 2025 874th Stockoh 🇫🇷 556 148 577ms 24 Jun 2024 875th FlorianCassayre 🇫🇷 555 132 9ms 18 Sep 2022 876th EnisEfe0 554 187 15ms 11 May 2025 877th destofr 554 231 474ms 30 Dec 2022 878th dokutan 552 148 451ms 14 Sep 2024 879th iczelia 🇩🇪 552 212 3ms 17 days ago 880th msbranicky 552 338 298ms 6 Oct 2023 881st dranjohn 551 188 19ms 11 Sep 2023 882nd GolfingSuccess 🇬🇷 549 114 2ms 16 Oct 2024 883rd msbranicky 549 244 2,648ms 9 Jan 2025 884th KatieLG 🇬🇧 548 74 6ms 19 Mar 2022 885th annaproxy 548 89 37ms 14 Sep 2023 886th qpwoeirut 548 189 10ms 2 Sep 2025 887th keelimeguy 🇺🇸 548 255 2,537ms 5 Nov 2023 887th yeminghan2021 548 255 71ms 2 Feb 2025 889th zakariamouhid 546 134 10ms 11 May 2023 890th c0d3-4-F00d 🇩🇪 546 214 2ms 24 Feb 2022 891st guilhem-roy 🇫🇷 545 190 10ms 3 Mar 2022 892nd aksyristos 542 90 37ms 8 Feb 2023 893rd VictorFordham 542 191 10ms 14 Feb 2024 894th codewrite 🇬🇧 542 252 401ms 13 May 2025 895th MeWhenI 🇻🇦 540 64 3ms 15 Feb 2022 896th Shanethegamer 🇺🇸 540 116 2ms 5 Nov 2022 897th msbranicky 539 267 3ms 12 Aug 2023 898th hjcafaroUC 537 260 2,433ms 20 Aug 2022 899th dillon-duncando 536 193 16ms 22 Sep 2022 900th bac0id 536 218 2ms 27 Jun 2024 First Prev 826–900 of 1,118 Next Last