The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 5 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 81st alexkunin 862 232 11ms 4 Jul 2019 81st vroup 🇩🇰 862 232 10ms 23 Sep 2022 81st TheDarkThatBarks 862 232 9ms 30 Jan 2024 81st lukegustafson 🇺🇸 862 232 10ms 7 Oct 2024 85th sgtdck 858 233 13ms 6 Oct 2018 85th BBoehm 🇩🇪 858 233 10ms 23 Feb 2021 85th PumpedSardines 858 233 10ms 18 Sep 2024 85th XenThe 🇬🇧 858 233 10ms 31 Aug 2025 89th tomh1012 855 234 9ms 1 Oct 2020 89th KrausRaus 🇺🇸 855 234 10ms 12 Dec 2020 89th RedstoneTim 855 234 10ms 29 Jun 2021 89th veiko 855 234 10ms 18 Jun 2022 93rd dee-gomma 851 235 10ms 30 Mar 2019 93rd GeorgeStechman 🇬🇧 851 235 10ms 19 Jun 2022 93rd two-bad 🇬🇧 851 235 11ms 23 Jun 2022 93rd jbt 851 235 9ms 26 Dec 2023 93rd xyangst 851 235 10ms 15 Oct 2024 98th Gaspar-Cdv 847 236 12ms 11 Jun 2021 98th niklv 🇷🇺 847 236 10ms 1 Jan 2024 100th wouterraateland 844 237 10ms 8 Jul 2019 100th rope-hmg 844 237 8ms 19 Apr 2022 102nd garytang8 840 238 10ms 15 Apr 2020 102nd janlelis 840 238 10ms 11 Feb 2021 102nd stefangabos 🇷🇴 840 238 10ms 16 Sep 2022 105th gurena-wm 837 239 10ms 10 Apr 2020 105th raphaelimahorn 837 239 11ms 17 Aug 2021 105th Yewzir 🇧🇪 837 239 9ms 9 Nov 2023 105th alex742 837 239 11ms 23 May 2024 105th TepidDrink 837 239 9ms 23 May 2024 110th user189032 833 240 10ms 29 May 2019 110th apraxWorkMarket 833 240 9ms 12 Apr 2020 110th frontvu 833 240 10ms 13 Apr 2020 110th TechNolaByte 833 240 9ms 18 Jun 2021 110th emgordon154 833 240 15ms 6 Dec 2021 115th TomHanra 826 242 10ms 9 Oct 2017 115th ohailstorm 826 242 12ms 18 Jul 2018 115th jburghes 826 242 10ms 13 Apr 2020 115th exortech 826 242 10ms 22 May 2021 115th KatieLG 🇬🇧 826 242 10ms 7 Apr 2022 115th yishayv 826 242 9ms 18 Jan 2023 115th a6166231 🇨🇳 826 242 10ms 20 May 2025 122nd oliverwoodings 823 243 10ms 21 May 2018 122nd thisishowmymindworks 🇳🇴 823 243 10ms 5 Oct 2020 122nd jn-lp 🇺🇦 823 243 12ms 31 Oct 2020 122nd ershadi-sayuri 823 243 10ms 14 Oct 2021 126th darrylyeo 820 244 10ms 18 Dec 2019 126th SpareManiKatti 820 244 9ms 11 Sep 2021 128th dijs 816 245 9ms 8 Dec 2019 128th jquade7 816 245 10ms 27 May 2023 128th BenScattergood 816 245 11ms 17 Sep 2023 131st paul3412 813 246 11ms 1 Dec 2019 131st targrik 813 246 11ms 16 Apr 2025 131st cloudyshoe 813 246 10ms 15 May 2025 134th mcammara 810 247 10ms 26 Jul 2018 135th LakeThomason 806 248 9ms 1 Jun 2021 135th olivermrose 🇺🇸 806 248 11ms 17 Apr 2022 135th coreynash 806 248 10ms 2 Dec 2022 135th LordSir101 806 248 11ms 26 Jul 2025 139th lowlighter 800 250 10ms 30 Oct 2020 139th DenverCoder1 800 250 10ms 27 Dec 2020 139th taimanh229 800 250 9ms 31 Dec 2020 139th n0es 800 250 9ms 31 Jan 2022 139th zakariamouhid 800 250 9ms 10 Jan 2023 139th martijnckx 800 250 10ms 25 Oct 2023 145th PowershellKnut 🇳🇴 797 251 10ms 7 Jan 2024 146th Nucaranlaeg 794 252 11ms 8 May 2019 146th dylanpyle 794 252 10ms 28 Apr 2020 146th pineapplebox 794 252 10ms 13 Feb 2022 146th Jannik-dev 794 252 11ms 17 Oct 2023 146th byronknoll 🇺🇸 794 252 10ms 6 May 2024 146th eMGeeneer 794 252 10ms 31 Jul 2024 152nd Sloff 791 253 9ms 16 May 2018 152nd mrxz 🇳🇱 791 253 9ms 24 Jun 2019 152nd winstonyli 791 253 12ms 10 Oct 2021 152nd predyy 791 253 9ms 13 Jul 2022 152nd glthomas 🇺🇸 791 253 10ms 2 Nov 2023 152nd Flippele 791 253 11ms 29 Jun 2024 158th jackkav 787 254 10ms 10 Feb 2019 158th daisy-lau 787 254 10ms 19 May 2020 158th strattonwhisler 787 254 10ms 27 Mar 2025 First Prev 81–160 of 489 Next Last
