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 chars. 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 Chars Time Submitted 161st albanian-laundromat 739 212 121ms 10 Nov 2025 162nd stefangimmillaro 739 217 184ms 10 Nov 2025 163rd ovs-code 🇩🇪 737 141 8ms 1 Nov 2025 164th Lv0Sys 🇵🇱 735 120 17ms 21 Feb 2026 165th MeWhenI 🇻🇦 734 210 46ms 8 Nov 2025 166th edsrzf 🇳🇿 733 186 230ms 21 Dec 2025 167th Natanaelel 🇸🇪 729 187 265ms 1 Nov 2025 168th RockOfStone 728 167 6ms 4 Nov 2025 169th Shanethegamer 🇺🇸 728 197 479ms 27 Oct 2025 170th Shanethegamer 🇺🇸 727 108 423ms 28 Oct 2025 171st targrik 727 131 24ms 11 Nov 2025 172nd emgordon154 725 182 80ms 8 Feb 2026 173rd AlephSquirrel 721 173 151ms 26 Oct 2025 174th albanian-laundromat 717 129 118ms 19 days ago 175th emplv 🇱🇻 716 133 204ms 2 Nov 2025 176th Andrey-Plotnikov 712 124 15ms 3 Nov 2025 177th Shanethegamer 🇺🇸 705 124 1,412ms 27 Oct 2025 178th CaedenHarper 🇨🇦 698 113 1,984ms 26 Oct 2025 179th ovs-code 🇩🇪 695 84 64ms 26 Oct 2025 180th nwellnhof 🇩🇪 686 85 656ms 4 Nov 2025 180th sisyphus-ppcg 🇦🇺 686 85 799ms 24 Nov 2025 182nd emgordon154 684 152 7ms 7 Feb 2026 183rd edsrzf 🇳🇿 679 53 428ms 5 Nov 2025 184th elgan65536 🇺🇸 679 236 222ms 10 Feb 2026 185th nwellnhof 🇩🇪 676 120 84ms 3 Nov 2025 185th KatieLG 🇬🇧 676 120 34ms 26 days ago 187th KrausRaus 🇺🇸 674 131 22ms 28 Oct 2025 188th albanian-laundromat 672 178 123ms 34 hours ago 189th CaedenHarper 🇨🇦 669 132 17ms 26 Oct 2025 190th Ripick 669 195 390ms 30 Oct 2025 191st MeWhenI 🇻🇦 667 215 472ms 16 Nov 2025 192nd GolfingSuccess 🇬🇷 665 117 957ms 28 Oct 2025 193rd Shanethegamer 🇺🇸 665 196 386ms 27 Oct 2025 194th stefangimmillaro 663 88 62ms 27 Nov 2025 195th albanian-laundromat 657 215 114ms 6 Jan 2026 196th olleicua 🇺🇸 656 89 53ms 9 Nov 2025 197th albanian-laundromat 655 219 474ms 28 Oct 2025 198th sisyphus-ppcg 🇦🇺 654 124 427ms 24 Nov 2025 199th Salutations45 654 135 15ms 11 Nov 2025 200th albanian-laundromat 654 245 181ms 1 Nov 2025 201st nwellnhof 🇩🇪 653 136 4,496ms 1 Feb 2026 202nd Shanethegamer 🇺🇸 653 159 477ms 27 Oct 2025 203rd CaedenHarper 🇨🇦 649 160 510ms 26 Oct 2025 204th bizy-coder 648 120 825ms 4 Nov 2025 204th KatieLG 🇬🇧 648 120 410ms 26 days ago 206th Natanaelel 🇸🇪 644 87 35ms 13 Dec 2025 207th GolfingSuccess 🇬🇷 644 126 449ms 28 Oct 2025 208th Shanethegamer 🇺🇸 644 133 82ms 27 Oct 2025 209th helbling 🇨🇭 644 137 19ms 30 Oct 2025 210th m-tkach 🇺🇦 637 122 601ms 27 Oct 2025 211th Shanethegamer 🇺🇸 633 118 164ms 27 Oct 2025 212th MeWhenI 🇻🇦 630 141 211ms 31 Oct 2025 213th ovs-code 🇩🇪 629 129 495ms 26 Oct 2025 213th m-tkach 🇺🇦 629 129 59ms 27 Oct 2025 213th bizy-coder 629 129 493ms 4 Nov 2025 216th MeWhenI 🇻🇦 628 225 6ms 8 Nov 2025 217th JOrE20 628 241 169ms 27 Jan 2026 218th ryyyn 🇺🇸 624 130 445ms 30 Oct 2025 219th duckyluuk 🇳🇱 622 125 594ms 28 Oct 2025 220th bricknellj 620 131 30ms 4 Nov 2025 221st rucin93 🇵🇱 617 121 180ms 18 days ago 222nd dokutan 615 132 55ms 2 Nov 2025 223rd albanian-laundromat 611 253 1,359ms 9 days ago 224th stefangimmillaro 610 133 47ms 26 Oct 2025 225th c-py 604 146 16ms 1 Nov 2025 226th Shanethegamer 🇺🇸 599 203 10ms 27 Oct 2025 227th zacjl 597 136 83ms 16 Nov 2025 227th blaztoma 🇱🇹 597 136 26ms 11 Jan 2026 229th kmathis22 595 241 697ms 5 Dec 2025 230th dokutan 594 131 472ms 14 Feb 2026 231st bzijlema 🇳🇱 592 137 37ms 31 Oct 2025 232nd h3ra993huskp 🇯🇵 592 242 579ms 30 Nov 2025 233rd AlephSquirrel 585 133 599ms 26 Oct 2025 234th Shanethegamer 🇺🇸 581 142 738ms 7 Nov 2025 235th emgordon154 580 134 562ms 30 Oct 2025 236th Natanaelel 🇸🇪 578 101 53ms 31 Oct 2025 237th moh-abb 578 236 259ms 9 Nov 2025 238th AlephSquirrel 576 141 58ms 26 Oct 2025 238th scpchicken 🇵🇼 576 141 26ms 9 days ago 240th brie-r 576 278 215ms 27 Nov 2025 First Prev 161–240 of 426 Next Last