The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
99 Bottles of Beer in Rust in chars. 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 Chars Time Submitted 1st Super-Pizza 🇨🇦 1,000 259 146ms 7 Apr 2022 1st JayXon 🇺🇸 1,000 259 144ms 7 Apr 2022 3rd acotis 959 270 254ms 22 days ago 4th lynn 945 274 147ms 5 Apr 2022 5th kumavale 902 287 240ms 21 Nov 2025 6th lifthrasiir 🇰🇷 881 294 126ms 9 Nov 2024 7th primo-ppcg 🇹🇭 852 304 157ms 2 May 2022 8th andersk 🇺🇸 844 307 127ms 25 Oct 2022 9th elgan65536 🇺🇸 827 313 128ms 6 Jul 2024 10th verticallity 817 317 118ms 6 Apr 2022 11th SirBogman 🇺🇸 812 319 158ms 15 Feb 2020 12th Aurel300 🇨🇭 807 321 129ms 7 Jun 2024 13th coffeenotfound 804 322 160ms 18 Aug 2021 13th MeWhenI 🇻🇦 804 322 146ms 13 Nov 2022 15th Xzyaihni 792 327 246ms 16 Oct 2022 16th Eolu 787 329 130ms 20 Jan 2022 16th mousetail 🇳🇱 787 329 125ms 16 Jul 2024 18th ian-h-chamberlain 🇺🇸 773 335 145ms 26 Jul 2022 19th WhoisDavid 771 336 118ms 16 Sep 2020 20th kgodara 764 339 131ms 7 Mar 2023 21st okaponta 757 342 147ms 13 Jan 2024 22nd logvp 753 344 152ms 9 Jan 2024 23rd scpchicken 🇵🇼 751 345 127ms 1 Apr 2022 23rd stefangimmillaro 751 345 144ms 13 Nov 2023 23rd TannerJ07 🇺🇸 751 345 141ms 6 Apr 2025 26th fantaize 746 347 157ms 16 days ago 27th DialFrost 🇸🇬 742 349 133ms 8 Jan 2023 28th crsaracco 736 352 148ms 4 Jan 2020 29th detrumi 🇳🇱 730 355 158ms 27 Oct 2020 30th Lukas-Fuchs 723 358 145ms 7 Feb 2022 30th msbranicky 723 358 144ms 6 Oct 2023 30th makononov 723 358 157ms 3 Mar 2025 33rd Juici 721 359 146ms 24 Sep 2020 34th timvermeulen 704 368 158ms 4 Jan 2020 35th amaebel 🇩🇪 694 373 135ms 8 Dec 2021 36th NoUselessTech 691 375 139ms 21 Dec 2022 37th klixel 🇨🇦 685 378 129ms 18 Apr 2023 38th drabart 🇵🇱 680 381 143ms 15 Dec 2023 39th gbxdl 678 382 137ms 15 Jun 2022 40th janbehrens 🇩🇪 676 383 142ms 16 Nov 2021 41st dignifiedalpaca 669 387 119ms 25 Dec 2023 42nd iihiro 🇯🇵 666 389 156ms 5 Jul 2022 43rd Re-Adventures 🇮🇳 662 391 165ms 23 Aug 2023 43rd emgordon154 662 391 151ms 23 Feb 2025 45th nipzu 661 392 142ms 28 Apr 2020 46th BuzzZ80 659 393 131ms 7 Apr 2023 47th yamhab 🇨🇦 635 408 157ms 13 Sep 2023 48th JGDoerrer 629 412 128ms 24 Feb 2022 49th snoozingnewt 🇨🇦 621 417 139ms 29 Sep 2025 50th Nexilis 🇵🇱 597 434 148ms 16 Jan 2021 51st connorslade 589 440 158ms 12 May 2022 52nd CosmicRaichu 585 443 160ms 2 Apr 2025 53rd sidju 581 446 150ms 17 Feb 2020 54th scottpenn 570 454 164ms 4 Jan 2020 55th dokutan 569 455 220ms 10 Oct 2024 56th Trusly 542 478 164ms 22 Feb 2024 57th Alfiecxn 🇬🇧 536 483 145ms 13 Oct 2024 58th germania 534 485 156ms 6 Jan 2020 59th Vianpyro 525 493 142ms 5 Feb 2026 60th deniz-blue 522 496 146ms 16 Oct 2023 61st ibeucaly 512 506 134ms 5 Feb 2022 62nd Domicnt 495 523 135ms 15 Jun 2020 63rd Shanethegamer 🇺🇸 477 543 122ms 10 Sep 2021 64th SolidTux 475 545 122ms 6 Jan 2020 65th Mabeloid 🇳🇴 474 546 121ms 31 Oct 2025 66th CatsAreFluffy 465 557 133ms 15 Nov 2024 67th Jo0n4s 458 566 230ms 29 Feb 2024 68th fadedblack 447 580 128ms 12 Jun 2024 69th WatMan77 414 626 118ms 14 Aug 2023 70th antonymerle 397 653 142ms 22 May 2020 71st christensendaniel 332 779 123ms 29 Mar 2023 72nd komunre 294 881 238ms 12 Mar 2025 73rd KatieLG 🇬🇧 200 1,296 208ms 30 Nov 2025 74th btjones0 22 11,905 116ms 26 Dec 2020 74th HumanoidCPU 22 11,905 115ms 13 May 2024 74th CaedenHarper 🇨🇦 22 11,905 115ms 16 Aug 2025 77th retrohun 22 11,909 108ms 27 Dec 2022 78th KatieLG-Transpiler 🇬🇧 21 12,206 122ms 24 Jun 2022 79th 1337-man 16 15,789 150ms 24 Jan 2022 1–79 of 79
