The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. 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 81st kg583 🇺🇸 862 125 657ms 27 Oct 2025 81st duckyluuk 🇳🇱 862 125 594ms 28 Oct 2025 83rd edsrzf 🇳🇿 861 188 390ms 1 Nov 2025 83rd albanian-laundromat 861 188 358ms 8 days ago 85th edsrzf 🇳🇿 860 154 434ms 29 Oct 2025 86th KasperKivimaeki 🇫🇮 859 156 449ms 26 Nov 2025 87th stefangimmillaro 858 104 1,477ms 4 Nov 2025 88th emgordon154 857 107 54ms 31 Oct 2025 89th Steffan153 🇫🇮 857 142 148ms 19 hours ago 90th ovs-code 🇩🇪 856 127 273ms 1 Nov 2025 91st edsrzf 🇳🇿 855 102 44ms 3 Nov 2025 92nd edsrzf 🇳🇿 854 112 15ms 2 Nov 2025 93rd edsrzf 🇳🇿 854 149 233ms 28 Nov 2025 94th xsot 🇸🇬 853 114 16ms 3 Nov 2025 95th retrohun 853 152 444ms 10 Dec 2025 95th Lv0Sys 🇵🇱 853 152 461ms 26 days ago 97th stefangimmillaro 852 133 47ms 26 Oct 2025 97th duckyluuk 🇳🇱 852 133 43ms 28 Oct 2025 99th Shanethegamer 🇺🇸 852 183 1,375ms 7 Nov 2025 100th edsrzf 🇳🇿 851 143 125ms 20 hours ago 101st GrayJoKing 🇦🇺 848 78 522ms 11 Nov 2025 102nd edsrzf 🇳🇿 848 163 132ms 27 Oct 2025 103rd stefangimmillaro 847 171 467ms 29 Oct 2025 104th emgordon154 846 113 16ms 30 Oct 2025 105th stefangimmillaro 845 88 62ms 27 Nov 2025 106th CornerMercury 🇬🇧 845 134 29ms 26 Oct 2025 107th edsrzf 🇳🇿 844 136 238ms 29 Oct 2025 108th edsrzf 🇳🇿 844 147 371ms 29 Oct 2025 109th rucin93 🇵🇱 843 121 180ms 18 days ago 110th albanian-laundromat 842 151 45ms 30 Oct 2025 111th edsrzf 🇳🇿 842 181 46ms 2 Feb 2026 112th Daniikk1012 841 69 35ms 2 Nov 2025 113th stefangimmillaro 840 189 144ms 10 Nov 2025 114th voytxt 🇨🇿 839 114 15ms 27 Oct 2025 115th kg583 🇺🇸 839 130 62ms 27 Oct 2025 116th hallvabo 🇳🇴 839 135 45ms 26 Oct 2025 116th ndren 839 135 31ms 26 Oct 2025 118th sean-niemann 🇺🇸 838 137 62ms 29 Oct 2025 119th stefangimmillaro 837 126 547ms 29 Oct 2025 120th stefangimmillaro 836 118 3,720ms 10 Nov 2025 121st mousetail 🇳🇱 836 134 65ms 11 Nov 2025 122nd annaproxy 836 166 42ms 8 Nov 2025 123rd albanian-laundromat 835 129 747ms 7 Nov 2025 124th kg583 🇺🇸 833 136 31ms 27 Oct 2025 124th zacjl 833 136 83ms 16 Nov 2025 124th blaztoma 🇱🇹 833 136 26ms 11 Jan 2026 127th albanian-laundromat 833 149 199ms 29 Oct 2025 128th edsrzf 🇳🇿 833 176 3,572ms 5 Nov 2025 129th KasperKivimaeki 🇫🇮 832 131 12ms 1 Nov 2025 130th Steffan153 🇫🇮 832 166 323ms 21 hours ago 131st sean-niemann 🇺🇸 831 105 128ms 1 Nov 2025 132nd sean-niemann 🇺🇸 831 153 46ms 30 Oct 2025 133rd IanUtley 831 167 339ms 13 Nov 2025 134th albanian-laundromat 830 185 207ms 24 Feb 2026 135th Shanethegamer 🇺🇸 829 184 32ms 10 Feb 2026 136th Steffan153 🇫🇮 829 188 89ms 24 hours ago 137th sean-niemann 🇺🇸 828 175 448ms 1 Nov 2025 138th kg583 🇺🇸 828 177 2,190ms 1 Nov 2025 139th bzijlema 🇳🇱 827 137 37ms 31 Oct 2025 139th albanian-laundromat 827 137 19ms 5 Nov 2025 141st albanian-laundromat 824 116 16ms 1 Nov 2025 142nd albanian-laundromat 823 282 1,793ms 1 Nov 2025 143rd edsrzf 🇳🇿 822 160 32ms 25 Feb 2026 144th albanian-laundromat 822 215 26ms 13 Nov 2025 145th bitsandbeyond 🇳🇱 820 99 3,870ms 26 Nov 2025 146th Shanethegamer 🇺🇸 820 133 82ms 27 Oct 2025 147th rucin93 🇵🇱 820 140 62ms 29 Oct 2025 148th Shanethegamer 🇺🇸 820 158 493ms 27 Oct 2025 149th Shanethegamer 🇺🇸 820 283 1,638ms 30 Oct 2025 150th UnderKoen 🇳🇱 818 236 1,539ms 3 Nov 2025 151st MeWhenI 🇻🇦 815 251 733ms 24 Nov 2025 152nd stefangimmillaro 814 199 357ms 9 Nov 2025 153rd Shanethegamer 🇺🇸 810 118 15ms 27 Oct 2025 154th AlephSquirrel 810 133 599ms 26 Oct 2025 155th emgordon154 804 134 562ms 30 Oct 2025 156th AlephSquirrel 803 141 58ms 26 Oct 2025 156th scpchicken 🇵🇼 803 141 26ms 10 days ago 158th edsrzf 🇳🇿 803 158 71ms 26 Oct 2025 159th albanian-laundromat 803 352 78ms 5 hours ago 160th emgordon154 800 159 147ms 4 Dec 2025 First Prev 81–160 of 428 Next Last