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 161st emgordon154 800 159 147ms 4 Dec 2025 162nd emgordon154 800 231 1,738ms 17 Nov 2025 163rd lynn 799 173 235ms 2 Nov 2025 164th canissimia 🇦🇶 799 234 9ms 14 Nov 2025 165th Lv0Sys 🇵🇱 797 120 17ms 21 Feb 2026 166th Shanethegamer 🇺🇸 796 142 738ms 7 Nov 2025 167th sean-niemann 🇺🇸 795 163 474ms 5 Dec 2025 168th edsrzf 🇳🇿 791 197 70ms 3 days ago 169th emgordon154 790 113 1,484ms 30 Oct 2025 170th kg583 🇺🇸 789 121 27ms 27 Oct 2025 171st pardouin 🇫🇷 789 125 3,687ms 11 Nov 2025 172nd CLOStrophobic 🇮🇹 788 161 79ms 27 Oct 2025 173rd JDiLenarda 🇫🇷 788 198 1,489ms 4 Nov 2025 174th Shanethegamer 🇺🇸 787 137 645ms 27 Oct 2025 175th namelessiw 783 185 492ms 3 Nov 2025 176th Yax42 🇫🇷 781 135 448ms 17 Nov 2025 177th Shanethegamer 🇺🇸 781 145 36ms 27 Oct 2025 177th edsrzf 🇳🇿 781 145 40ms 27 Oct 2025 177th emgordon154 781 145 70ms 30 Oct 2025 180th albanian-laundromat 779 112 17ms 25 Feb 2026 181st snyderek 🇺🇸 779 172 71ms 11 Nov 2025 182nd albanian-laundromat 779 391 17ms 18 days ago 183rd CaedenHarper 🇨🇦 775 139 556ms 31 Oct 2025 184th ovs-code 🇩🇪 773 141 8ms 1 Nov 2025 185th Andrey-Plotnikov 771 124 14ms 3 Nov 2025 186th CaedenHarper 🇨🇦 771 147 43ms 31 Oct 2025 186th anter69 🇭🇺 771 147 24ms 11 days ago 188th annaproxy 765 148 35ms 13 Nov 2025 189th Shanethegamer 🇺🇸 763 181 266ms 28 Oct 2025 190th CaedenHarper 🇨🇦 763 190 490ms 27 Oct 2025 191st snoozingnewt 🇨🇦 760 209 124ms 20 Nov 2025 192nd SirBogman 🇺🇸 755 150 20ms 6 Nov 2025 193rd commandz0 🇺🇸 754 143 511ms 1 Nov 2025 194th CaedenHarper 🇨🇦 753 214 340ms 29 Oct 2025 194th KasperKivimaeki 🇫🇮 753 214 329ms 1 Nov 2025 196th emgordon154 751 309 1,859ms 28 Nov 2025 197th 5cw 🇺🇸 750 151 18ms 31 Oct 2025 197th commandz0 🇺🇸 750 151 25ms 1 Nov 2025 199th albanian-laundromat 749 212 121ms 10 Nov 2025 200th stefangimmillaro 746 217 184ms 10 Nov 2025 201st cros107 🇦🇺 745 152 36ms 29 Oct 2025 201st hellopir2 745 152 20ms 3 Nov 2025 201st MeWhenI 🇻🇦 745 152 61ms 12 Dec 2025 204th RockOfStone 745 167 6ms 4 Nov 2025 205th edsrzf 🇳🇿 743 186 230ms 21 Dec 2025 206th targrik 742 131 24ms 11 Nov 2025 207th Shanethegamer 🇺🇸 741 109 423ms 28 Oct 2025 208th davecame 740 153 632ms 3 Nov 2025 208th jatloe 740 153 22ms 20 Nov 2025 210th MeWhenI 🇻🇦 740 210 46ms 8 Nov 2025 211th Natanaelel 🇸🇪 739 187 265ms 1 Nov 2025 212th Natanaelel 🇸🇪 736 101 53ms 31 Oct 2025 213th ahmetdemirag 🇨🇾 736 154 140ms 3 Nov 2025 214th emgordon154 736 182 80ms 8 Feb 2026 215th Shanethegamer 🇺🇸 736 197 479ms 27 Oct 2025 216th CatsAreFluffy 735 91 54ms 31 Oct 2025 217th albanian-laundromat 734 129 118ms 22 days ago 218th AlephSquirrel 733 173 151ms 26 Oct 2025 219th emplv 🇱🇻 731 133 204ms 2 Nov 2025 220th plcc0 731 155 40ms 30 Jan 2026 221st KrausRaus 🇺🇸 730 131 22ms 28 Oct 2025 222nd CaedenHarper 🇨🇦 724 132 15ms 26 Oct 2025 223rd olleicua 🇺🇸 722 103 64ms 27 Oct 2025 224th Lv0Sys 🇵🇱 721 157 19ms 21 Feb 2026 225th Shanethegamer 🇺🇸 720 124 1,412ms 27 Oct 2025 226th emgordon154 717 152 7ms 7 Feb 2026 227th qpwoeirut 712 159 21ms 29 Oct 2025 227th guilhem-roy 🇫🇷 712 159 30ms 21 Nov 2025 227th ZakkkkAttackkkk 🇵🇭 712 159 36ms 6 Feb 2026 230th emgordon154 708 105 50ms 2 Nov 2025 231st Salutations45 708 135 14ms 11 Nov 2025 232nd CaedenHarper 🇨🇦 701 113 2,128ms 26 Oct 2025 233rd snoozingnewt 🇨🇦 700 154 587ms 20 Feb 2026 234th Flekay 🇩🇪 699 162 17ms 19 Feb 2026 234th snoozingnewt 🇨🇦 699 162 17ms 20 Feb 2026 234th aksyristos 699 162 18ms 3 days ago 237th helbling 🇨🇭 698 137 15ms 30 Oct 2025 238th jared-hughes 687 165 35ms 14 Nov 2025 238th FortuiteMan 🇫🇷 687 165 57ms 24 Nov 2025 240th elgan65536 🇺🇸 686 236 222ms 10 Feb 2026 First Prev 161–240 of 429 Next Last