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 mcammara 803 247 10ms 26 Jul 2018 722nd Vdubro 803 255 10ms 6 Jun 2022 722nd ZorblaxV 803 255 10ms 19 Jan 2025 722nd LuisGoncalves05 🇵🇹 803 255 11ms 17 Jul 2025 722nd AstroOrbis 803 255 17ms 23 Jul 2025 726th jtnuttall 803 291 133ms 4 Oct 2022 726th exodrifter 🇺🇸 803 291 133ms 25 Oct 2022 728th stefangimmillaro 803 301 501ms 6 Oct 2025 729th jacobly0 🇺🇸 803 440 1,687ms 18 Sep 2025 730th jonathanelliott 802 242 37ms 11 Oct 2023 731st retrohun 802 274 3ms 26 Aug 2024 732nd zeaga 802 289 1ms 5 Dec 2021 733rd stefangimmillaro 802 343 42ms 26 Apr 2025 734th theentropic 801 237 253ms 4 Aug 2020 734th PalmEmanuel 801 237 239ms 10 May 2021 736th theentropic 801 258 398ms 21 Nov 2021 737th Yewzir 🇧🇪 801 302 389ms 2 Oct 2025 738th dbut2 🇦🇺 801 337 291ms 30 Oct 2024 739th DaCuteRaccoon 800 202 46ms 29 Nov 2022 739th DialFrost 🇸🇬 800 202 45ms 8 Jan 2023 739th neel11235813 800 202 46ms 10 Oct 2023 739th CaedenHarper 🇨🇦 800 202 42ms 27 Jan 2025 739th RaBa21 🇭🇺 800 202 45ms 1 Aug 2025 739th RYSF13 🇨🇳 800 202 45ms 2 Nov 2025 739th blaztoma 🇱🇹 800 202 45ms 24 Nov 2025 746th LakeThomason 800 248 9ms 1 Jun 2021 746th olivermrose 🇺🇸 800 248 11ms 17 Apr 2022 746th coreynash 800 248 10ms 2 Dec 2022 746th LordSir101 800 248 11ms 26 Jul 2025 750th FomichevAK106 800 256 9ms 29 Sep 2024 751st tobeannouncd 800 292 134ms 10 Jan 2024 752nd stefangimmillaro 800 296 102ms 18 Oct 2023 753rd elgan65536 🇺🇸 800 313 128ms 6 Jul 2024 754th AlexDaniel 🇪🇪 799 228 141ms 25 Oct 2017 755th stackofbears 799 243 34ms 28 Dec 2023 756th iamsolarpowered 798 243 35ms 17 Nov 2017 756th blaztoma 🇱🇹 798 243 33ms 25 Nov 2025 758th h3ra993huskp 🇯🇵 798 303 487ms 30 Nov 2025 759th JunkIce 797 252 453ms 5 Mar 2025 760th Mabeloid 🇳🇴 797 291 1ms 23 Sep 2024 761st primo-ppcg 🇹🇭 797 295 63ms 5 Apr 2025 762nd rowan-OzRunways 797 297 98ms 15 Aug 2020 763rd unkiwii 797 339 287ms 15 Apr 2020 763rd CaedenHarper 🇨🇦 797 339 322ms 2 Dec 2025 765th Ailko 🇧🇪 796 257 16ms 17 Jan 2025 765th fkantelberg 796 257 10ms 15 Jul 2025 767th the-zammers 795 294 135ms 2 Oct 2023 768th tofuweasel 794 239 287ms 8 Jun 2022 769th dokutan 794 286 4ms 25 Jan 2026 770th MeWhenI 🇻🇦 794 312 2,743ms 1 Dec 2024 771st albanian-laundromat 794 340 307ms 22 Dec 2025 772nd lowlighter 793 250 10ms 30 Oct 2020 772nd DenverCoder1 793 250 10ms 27 Dec 2020 772nd taimanh229 793 250 9ms 31 Dec 2020 772nd n0es 793 250 9ms 31 Jan 2022 772nd zakariamouhid 793 250 9ms 10 Jan 2023 772nd martijnckx 793 250 10ms 25 Oct 2023 778th ageneric 793 258 10ms 22 Jul 2023 778th EnTerr 793 258 16ms 26 Jun 2024 780th ajc2 792 245 34ms 30 Sep 2017 781st SmartK8 🇨🇿 792 261 419ms 30 Oct 2022 782nd user189032 792 295 129ms 29 May 2019 783rd gifti258 792 297 76ms 16 Sep 2023 784th dpatterbee 792 341 290ms 31 Mar 2023 785th SimonWahlin 791 240 283ms 5 Jun 2020 786th emgordon154 791 280 480ms 31 May 2025 787th Phil-RGOMEGA 791 293 2ms 23 Aug 2023 788th PowershellKnut 🇳🇴 790 251 10ms 7 Jan 2024 789th msrawson 790 259 10ms 10 Aug 2018 789th Sakaala 790 259 10ms 24 Apr 2019 789th tomh1012 790 259 11ms 7 Jan 2021 789th NicoAdams 790 259 10ms 30 Dec 2021 789th OllieBoyne 🇬🇧 790 259 10ms 29 Apr 2022 789th Andrey2001 790 259 10ms 1 Feb 2026 795th cam-lambda 790 260 10ms 29 Apr 2018 796th alemelis 790 265 236ms 16 Aug 2024 797th verticallity 790 317 129ms 6 Apr 2022 798th scpchicken 🇵🇼 789 231 144ms 2 Jan 2023 799th dokutan 789 283 7ms 28 Jul 2024 800th MasterBel2 789 300 89ms 7 Jun 2020 First Prev 721–800 of 3,937 Next Last
