The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 6 days. Why not try and solve them ahead of time?
99 Bottles of Beer in JavaScript 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 deniz-blue 784 255 10ms 19 Oct 2023 161st pedro-a-soares 784 255 10ms 5 Dec 2023 161st kordrun 784 255 11ms 3 Apr 2024 161st de1ane1ra 784 255 9ms 22 Jun 2024 165th Plopsi 781 256 10ms 4 Jun 2021 165th richard-oelze 🇩🇪 781 256 10ms 14 Oct 2023 165th blaztoma 🇱🇹 781 256 11ms 24 Aug 2025 168th i-machine 778 257 12ms 28 Aug 2020 168th Pixels4Breakfast 778 257 10ms 11 Feb 2022 168th mckymsh 778 257 10ms 4 Feb 2024 171st oitio 775 258 11ms 13 Feb 2020 171st Johannesd3 775 258 11ms 2 Aug 2020 171st Giga-Bowser 775 258 9ms 5 Jan 2022 171st ToriTheChicken 775 258 12ms 18 Apr 2023 175th partok 772 259 10ms 14 Mar 2021 175th sultan 772 259 10ms 4 May 2021 175th sebipopa 🇷🇴 772 259 10ms 7 Sep 2022 175th stefangimmillaro 772 259 9ms 19 Oct 2022 179th aralroca 769 260 10ms 15 Aug 2020 180th harrisonfang 766 261 10ms 2 Apr 2021 181st shaunjc 760 263 11ms 10 Jun 2021 181st 4very 760 263 12ms 7 Jun 2025 183rd baldie 758 264 12ms 26 May 2018 183rd boris-gutman 758 264 10ms 14 Oct 2023 183rd Xzyaihni 758 264 10ms 19 Jan 2024 183rd Michiocre 758 264 9ms 20 Feb 2024 183rd junkondo-jp 758 264 10ms 6 May 2024 188th christopherwk210 755 265 10ms 15 Oct 2018 188th lewdev 🇺🇸 755 265 10ms 24 Jul 2021 188th alex-oser 🇲🇰 755 265 9ms 19 Aug 2021 188th Hacksore 🇺🇸 755 265 10ms 19 Aug 2021 188th florton 755 265 13ms 7 Jan 2022 188th dwayneparton 755 265 10ms 13 Dec 2022 194th BillyBobFry 752 266 11ms 22 Oct 2021 194th trinityy-7 752 266 10ms 17 Mar 2024 196th ian-odonnell 749 267 11ms 5 Mar 2018 196th atenfyr 749 267 10ms 21 Jun 2020 196th dzshn 749 267 9ms 15 Mar 2021 196th SiddharthShyniben 749 267 10ms 7 Feb 2022 196th Tejas-H5 749 267 10ms 10 Apr 2022 201st doaboa 746 268 11ms 7 May 2018 201st Designer023 746 268 9ms 8 Feb 2020 201st j7126 746 268 10ms 31 Aug 2023 201st Protothor 746 268 10ms 10 Jun 2025 205th rodigu 741 270 10ms 15 Jun 2021 205th wansacis 🇩🇪 741 270 11ms 12 Nov 2021 205th acollett89 741 270 10ms 21 Jul 2025 208th TheRainTrain 738 271 9ms 29 Aug 2022 208th CatsAreFluffy 738 271 10ms 20 Nov 2022 210th Nefsen402 735 272 9ms 24 Jan 2019 210th jacklecroy 735 272 10ms 13 Apr 2021 210th ollyspooner 735 272 10ms 23 Nov 2022 210th demonischuk 735 272 11ms 15 Sep 2023 214th MaartenStaa 733 273 10ms 4 Jan 2020 214th Natanaelel 🇸🇪 733 273 10ms 8 Jul 2021 214th GoogleFeud 733 273 10ms 14 Dec 2021 214th adamnielson42 🇺🇸 733 273 14ms 30 May 2023 214th itserasmus 733 273 10ms 25 Jan 2024 214th iczelia 🇩🇪 733 273 10ms 10 Oct 2025 220th rbertram90 🇬🇧 730 274 11ms 13 Apr 2020 220th dteague3989 730 274 10ms 28 May 2023 220th amazingalek 🇳🇴 730 274 11ms 20 Dec 2025 220th Madhav9897 730 274 9ms 21 Feb 2026 224th daniel-cardone 727 275 11ms 6 Jul 2024 225th nhaynes84 725 276 9ms 14 Feb 2019 225th dsntzn 🇸🇰 725 276 10ms 9 Aug 2020 225th unfinishedprogram 725 276 13ms 28 Jun 2023 225th Cavan-P 725 276 9ms 10 Nov 2024 229th john-nordqvist 722 277 10ms 8 Oct 2021 229th eTrey13 722 277 10ms 3 Feb 2025 229th dokutan 722 277 10ms 16 Apr 2025 232nd hyvyys 719 278 10ms 25 Aug 2020 232nd vincens2005 🇺🇸 719 278 12ms 25 Mar 2022 232nd JustinTaylorWeiss 719 278 10ms 5 Nov 2022 232nd Leftykap 719 278 10ms 27 Nov 2022 232nd HumanoidCPU 719 278 10ms 26 Apr 2024 237th pepulio 717 279 9ms 17 Oct 2017 237th meenie 717 279 9ms 31 Dec 2020 237th omgmog 717 279 10ms 8 Aug 2022 237th magarifullin 717 279 10ms 4 Oct 2024 First Prev 161–240 of 489 Next Last
