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 877th khavik 775 264 17ms 18 May 2024 877th UwUcifer 775 264 10ms 5 Aug 2025 883rd Shanethegamer 🇺🇸 775 270 272ms 16 Jul 2021 883rd codereport 🇨🇦 775 270 259ms 16 Apr 2025 885th PowershellKnut 🇳🇴 775 276 85ms 7 Jan 2024 886th DaCoolOne 775 299 2ms 20 Nov 2019 886th sean-niemann 🇺🇸 775 299 371ms 7 Feb 2025 888th dokutan 775 312 371ms 24 Sep 2025 888th Shanethegamer 🇺🇸 775 312 515ms 25 Sep 2025 890th BBoehm 🇩🇪 774 225 3ms 18 Dec 2020 891st frankgraziano 774 233 13ms 17 Dec 2024 892nd harshit54 774 349 286ms 4 Oct 2023 893rd oneWaveAdrian 🇩🇪 773 251 34ms 17 Jan 2024 894th Andrey2001 773 260 541ms 26 Nov 2025 895th i-machine 772 257 12ms 28 Aug 2020 895th Pixels4Breakfast 772 257 10ms 11 Feb 2022 895th mckymsh 772 257 10ms 4 Feb 2024 898th bernardgardner 772 265 10ms 13 Jun 2019 898th HerLovelyTentacles 772 265 31ms 7 Feb 2021 898th jfallon1997 772 265 11ms 15 Aug 2022 898th Bmrl7 772 265 9ms 17 Mar 2024 898th ASampsonMu31 772 265 10ms 13 days ago 903rd kkoenig 772 350 287ms 7 Jan 2024 904th SirBogman 🇺🇸 771 226 3ms 5 Oct 2020 905th janbehrens 🇩🇪 771 268 391ms 10 May 2023 906th albanian-laundromat 771 294 43ms 3 Dec 2025 907th janbehrens 🇩🇪 771 313 1,589ms 19 Jun 2022 908th michaelbaudino 770 252 35ms 18 Oct 2020 909th Bubbler-4 769 219 2ms 12 Jan 2022 910th oitio 769 258 11ms 13 Feb 2020 910th Johannesd3 769 258 11ms 2 Aug 2020 910th Giga-Bowser 769 258 9ms 5 Jan 2022 910th ToriTheChicken 769 258 12ms 18 Apr 2023 914th albert-du 769 318 1,374ms 17 Mar 2025 915th israem 768 247 247ms 14 Apr 2024 915th andrewtchilds 768 247 263ms 28 Apr 2024 917th 12Jeef 768 315 435ms 1 Nov 2022 917th Schmitt-Very-Cool 768 315 464ms 15 Oct 2025 919th UladzimirSukharukau 767 253 35ms 14 Sep 2021 920th rowboat1 767 267 14ms 11 Aug 2018 920th asadullayev 767 267 9ms 1 Sep 2020 920th kacogg5 767 267 12ms 11 Jul 2022 920th Mabeloid 🇳🇴 767 267 10ms 23 Sep 2024 920th xyangst 767 267 11ms 3 Oct 2024 920th fuzzylojik-golf 🇺🇸 767 267 16ms 21 May 2025 926th ben68 767 323 2,764ms 3 Jun 2025 927th MJKWoolnough 767 352 310ms 10 Aug 2022 928th emgordon154 766 257 173ms 9 Aug 2024 929th partok 766 259 10ms 14 Mar 2021 929th sultan 766 259 10ms 4 May 2021 929th sebipopa 🇷🇴 766 259 10ms 7 Sep 2022 929th stefangimmillaro 766 259 9ms 19 Oct 2022 933rd Yewzir 🇧🇪 766 292 9ms 20 Dec 2024 934th annaproxy 766 305 134ms 15 Apr 2022 934th PPKFS 766 305 137ms 8 Dec 2022 936th Servus7 🇩🇪 766 309 93ms 17 Jul 2023 937th Xzyaihni 766 327 245ms 16 Oct 2022 938th Kokusui 🇯🇵 765 257 5ms 22 Jul 2024 938th nnchutchikov 765 257 5ms 31 Oct 2024 940th janbehrens 🇩🇪 765 353 290ms 10 May 2023 941st hiddicop 🇸🇪 764 254 34ms 27 Jan 2021 942nd mizuzimu 764 268 16ms 3 Feb 2020 942nd cubed-guy 764 268 11ms 21 Aug 2021 942nd wuduculfre 764 268 10ms 3 Aug 2025 945th Shanethegamer 🇺🇸 764 320 1,280ms 17 Mar 2023 946th aralroca 763 260 10ms 15 Aug 2020 947th hemphen 763 271 396ms 2 Aug 2022 948th Yewzir 🇧🇪 763 287 3ms 5 Jul 2023 949th stefangimmillaro 763 292 109ms 19 Oct 2022 950th komos90 763 306 136ms 22 May 2020 951st janbehrens 🇩🇪 763 317 433ms 10 May 2023 951st CaedenHarper 🇨🇦 763 317 439ms 4 Oct 2025 953rd jerrandolph 763 354 308ms 19 Oct 2023 954th realslacker 762 249 255ms 28 Mar 2024 955th Pargolo 761 269 10ms 9 May 2021 955th Vafdaf12 761 269 10ms 29 Aug 2023 955th WillConker 761 269 10ms 9 Mar 2024 955th OCNeve 761 269 11ms 17 Jun 2024 955th xdaniel-lim 761 269 10ms 24 Jan 2025 955th qpwoeirut 761 269 11ms 16 Aug 2025 First Prev 881–960 of 3,936 Next Last
