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 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 721st Vdubro 803 255 10ms 6 Jun 2022 721st ZorblaxV 803 255 10ms 19 Jan 2025 721st LuisGoncalves05 🇵🇹 803 255 11ms 17 Jul 2025 721st AstroOrbis 803 255 17ms 23 Jul 2025 725th jtnuttall 803 291 133ms 4 Oct 2022 725th exodrifter 🇺🇸 803 291 133ms 25 Oct 2022 727th stefangimmillaro 803 301 501ms 6 Oct 2025 728th jacobly0 🇺🇸 803 440 1,687ms 18 Sep 2025 729th jonathanelliott 802 242 37ms 11 Oct 2023 730th retrohun 802 274 3ms 26 Aug 2024 731st zeaga 802 289 1ms 5 Dec 2021 732nd stefangimmillaro 802 343 42ms 26 Apr 2025 733rd theentropic 801 237 253ms 4 Aug 2020 733rd PalmEmanuel 801 237 239ms 10 May 2021 735th theentropic 801 258 398ms 21 Nov 2021 736th Yewzir 🇧🇪 801 302 389ms 2 Oct 2025 737th dbut2 🇦🇺 801 337 291ms 30 Oct 2024 738th DaCuteRaccoon 800 202 46ms 29 Nov 2022 738th DialFrost 🇸🇬 800 202 45ms 8 Jan 2023 738th neel11235813 800 202 46ms 10 Oct 2023 738th CaedenHarper 🇨🇦 800 202 42ms 27 Jan 2025 738th RaBa21 🇭🇺 800 202 45ms 1 Aug 2025 738th RYSF13 🇨🇳 800 202 45ms 2 Nov 2025 738th blaztoma 🇱🇹 800 202 45ms 24 Nov 2025 745th LakeThomason 800 248 9ms 1 Jun 2021 745th olivermrose 🇺🇸 800 248 11ms 17 Apr 2022 745th coreynash 800 248 10ms 2 Dec 2022 745th LordSir101 800 248 11ms 26 Jul 2025 749th FomichevAK106 800 256 9ms 29 Sep 2024 750th tobeannouncd 800 292 134ms 10 Jan 2024 751st stefangimmillaro 800 296 102ms 18 Oct 2023 752nd elgan65536 🇺🇸 800 313 128ms 6 Jul 2024 753rd AlexDaniel 🇪🇪 799 228 141ms 25 Oct 2017 754th stackofbears 799 243 34ms 28 Dec 2023 755th iamsolarpowered 798 243 35ms 17 Nov 2017 755th blaztoma 🇱🇹 798 243 33ms 25 Nov 2025 757th h3ra993huskp 🇯🇵 798 303 487ms 30 Nov 2025 758th JunkIce 797 252 453ms 5 Mar 2025 759th Mabeloid 🇳🇴 797 291 1ms 23 Sep 2024 760th primo-ppcg 🇹🇭 797 295 63ms 5 Apr 2025 761st rowan-OzRunways 797 297 98ms 15 Aug 2020 762nd unkiwii 797 339 287ms 15 Apr 2020 762nd CaedenHarper 🇨🇦 797 339 322ms 2 Dec 2025 764th Ailko 🇧🇪 796 257 16ms 17 Jan 2025 764th fkantelberg 796 257 10ms 15 Jul 2025 766th the-zammers 795 294 135ms 2 Oct 2023 767th tofuweasel 794 239 287ms 8 Jun 2022 768th dokutan 794 286 4ms 25 Jan 2026 769th MeWhenI 🇻🇦 794 312 2,743ms 1 Dec 2024 770th albanian-laundromat 794 340 307ms 22 Dec 2025 771st lowlighter 793 250 10ms 30 Oct 2020 771st DenverCoder1 793 250 10ms 27 Dec 2020 771st taimanh229 793 250 9ms 31 Dec 2020 771st n0es 793 250 9ms 31 Jan 2022 771st zakariamouhid 793 250 9ms 10 Jan 2023 771st martijnckx 793 250 10ms 25 Oct 2023 777th ageneric 793 258 10ms 22 Jul 2023 777th EnTerr 793 258 16ms 26 Jun 2024 779th ajc2 792 245 34ms 30 Sep 2017 780th SmartK8 🇨🇿 792 261 419ms 30 Oct 2022 781st user189032 792 295 129ms 29 May 2019 782nd gifti258 792 297 76ms 16 Sep 2023 783rd dpatterbee 792 341 290ms 31 Mar 2023 784th SimonWahlin 791 240 283ms 5 Jun 2020 785th emgordon154 791 280 480ms 31 May 2025 786th Phil-RGOMEGA 791 293 2ms 23 Aug 2023 787th PowershellKnut 🇳🇴 790 251 10ms 7 Jan 2024 788th msrawson 790 259 10ms 10 Aug 2018 788th Sakaala 790 259 10ms 24 Apr 2019 788th tomh1012 790 259 11ms 7 Jan 2021 788th NicoAdams 790 259 10ms 30 Dec 2021 788th OllieBoyne 🇬🇧 790 259 10ms 29 Apr 2022 788th Andrey2001 790 259 10ms 1 Feb 2026 794th cam-lambda 790 260 10ms 29 Apr 2018 795th alemelis 790 265 236ms 16 Aug 2024 796th verticallity 790 317 129ms 6 Apr 2022 797th scpchicken 🇵🇼 789 231 144ms 2 Jan 2023 798th dokutan 789 283 7ms 28 Jul 2024 799th MasterBel2 789 300 89ms 7 Jun 2020 800th MeWhenI 🇻🇦 788 221 3ms 16 Apr 2023 First Prev 721–800 of 3,936 Next Last
