The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 24 hours. Why not try and solve them ahead of time?
Minesweeper in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st ovs-code 🇩🇪 1,000 46 5ms 26 Oct 2025 2nd Steffan153 🇫🇮 980 51 210ms 19 days ago 3rd HPWiz 🇳🇿 963 57 8ms 1 Nov 2025 3rd Steffan153 🇫🇮 963 57 13ms 19 days ago 5th 2bular 959 58 35ms 17 hours ago 6th 2bular 958 48 6ms 26 Oct 2025 7th Seek64 🇩🇪 952 119 84ms 4 Nov 2025 8th saito-ta 🇯🇵 947 58 5ms 4 Nov 2025 9th nwellnhof 🇩🇪 944 120 84ms 3 Nov 2025 10th edsrzf 🇳🇿 943 53 428ms 5 Nov 2025 10th emgordon154 943 53 381ms 21 Nov 2025 12th radarek 🇵🇱 941 79 56ms 4 Nov 2025 12th Steffan153 🇫🇮 941 79 53ms 21 days ago 14th zacjl 939 49 6ms 4 Nov 2025 15th nwellnhof 🇩🇪 937 102 13ms 7 Nov 2025 16th emplv 🇱🇻 928 103 15ms 2 Nov 2025 17th GolfingSuccess 🇬🇷 921 117 957ms 28 Oct 2025 18th alexsave 919 104 12ms 4 Nov 2025 19th Steffan153 🇫🇮 918 72 398ms 26 Feb 2026 20th lyphyser 916 73 69ms 29 Oct 2025 21st pardouin 🇫🇷 913 118 493ms 13 Nov 2025 21st Steffan153 🇫🇮 913 118 805ms 19 days ago 23rd sisyphus-ppcg 🇦🇺 913 124 427ms 24 Nov 2025 24th ovs-code 🇩🇪 911 61 35ms 26 Oct 2025 25th Steffan153 🇫🇮 910 87 2,319ms 2 days ago 26th rucin93 🇵🇱 910 105 20ms 28 Oct 2025 26th sean-niemann 🇺🇸 910 105 20ms 3 Nov 2025 26th Steffan153 🇫🇮 910 105 14ms 19 days ago 29th nwellnhof 🇩🇪 902 90 909ms 10 Nov 2025 30th edsrzf 🇳🇿 902 99 1,432ms 29 Oct 2025 30th pardouin 🇫🇷 902 99 1,678ms 11 Nov 2025 32nd AdrienHache 🇫🇷 902 117 511ms 30 Oct 2025 33rd edsrzf 🇳🇿 902 173 1,421ms 1 Nov 2025 34th canissimia 🇦🇶 900 97 138ms 1 Jan 2026 35th GolfingSuccess 🇬🇷 899 126 449ms 28 Oct 2025 36th stefangimmillaro 899 173 49ms 8 Nov 2025 37th ovs-code 🇩🇪 898 120 851ms 26 Oct 2025 37th bizy-coder 898 120 825ms 4 Nov 2025 39th edsrzf 🇳🇿 897 110 3,500ms 31 Oct 2025 40th rhdqor213 893 122 12ms 3 Dec 2025 41st Steffan153 🇫🇮 892 127 446ms 19 days ago 42nd xsot 🇸🇬 890 98 64ms 24 Feb 2026 43rd canissimia 🇦🇶 890 102 931ms 2 Nov 2025 44th edsrzf 🇳🇿 889 163 512ms 29 Oct 2025 45th antimon2 🇯🇵 888 91 541ms 26 Oct 2025 46th namelessiw 886 119 492ms 26 Oct 2025 47th edsrzf 🇳🇿 886 121 74ms 13 Dec 2025 48th ovs-code 🇩🇪 885 84 64ms 26 Oct 2025 49th pardouin 🇫🇷 885 128 493ms 13 Nov 2025 50th edsrzf 🇳🇿 884 110 38ms 3 Nov 2025 51st m-tkach 🇺🇦 883 122 601ms 27 Oct 2025 51st sean-niemann 🇺🇸 883 122 506ms 11 Nov 2025 53rd edsrzf 🇳🇿 880 90 1,916ms 29 Oct 2025 54th ovs-code 🇩🇪 878 129 495ms 26 Oct 2025 54th m-tkach 🇺🇦 878 129 59ms 27 Oct 2025 54th bizy-coder 878 129 493ms 4 Nov 2025 54th Mukundan314 878 129 432ms 25 Nov 2025 58th edsrzf 🇳🇿 877 163 160ms 1 Nov 2025 59th nwellnhof 🇩🇪 875 85 656ms 4 Nov 2025 59th pardouin 🇫🇷 875 85 1,059ms 11 Nov 2025 59th sisyphus-ppcg 🇦🇺 875 85 799ms 24 Nov 2025 62nd ovs-code 🇩🇪 874 158 181ms 20 Dec 2025 63rd sean-niemann 🇺🇸 872 117 164ms 3 Nov 2025 64th tomtheisen 🇺🇸 872 121 526ms 2 Dec 2025 65th ryyyn 🇺🇸 871 130 445ms 30 Oct 2025 66th acotis 871 186 173ms 7 Feb 2026 67th albanian-laundromat 870 132 512ms 4 days ago 68th edsrzf 🇳🇿 870 143 7ms 26 Oct 2025 69th duckyluuk 🇳🇱 869 109 228ms 28 Oct 2025 70th edsrzf 🇳🇿 868 110 20ms 5 Nov 2025 71st edsrzf 🇳🇿 866 126 73ms 27 Oct 2025 72nd Kacarott 🇦🇺 865 124 73ms 9 Dec 2025 73rd bricknellj 865 131 30ms 4 Nov 2025 73rd sean-niemann 🇺🇸 865 131 47ms 11 Nov 2025 75th Shanethegamer 🇺🇸 864 118 164ms 27 Oct 2025 76th albanian-laundromat 864 180 47ms 25 days ago 77th albanian-laundromat 863 131 844ms 13 Nov 2025 78th kg583 🇺🇸 863 147 296ms 30 Dec 2025 79th kg583 🇺🇸 862 125 657ms 27 Oct 2025 79th duckyluuk 🇳🇱 862 125 594ms 28 Oct 2025 1–80 of 429 Next Last