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?
Star Wars Opening Crawl 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 241st neel11235813 646 302 738ms 27 Mar 2024 242nd CedricGebistorf 646 334 11ms 6 Mar 2022 243rd stefangimmillaro 641 485 600ms 6 Oct 2025 244th dmrichwa 🇺🇸 640 298 11ms 24 Apr 2022 245th MostParsingVex 640 305 689ms 21 days ago 246th Natanaelel 🇸🇪 638 299 11ms 16 Jul 2021 247th MeWhenI 🇻🇦 638 429 578ms 4 Mar 2022 248th helbling 🇨🇭 636 300 11ms 4 May 2024 249th Pyroan 636 339 11ms 16 May 2025 250th amollberg 🇸🇪 635 340 11ms 4 Feb 2022 251st adlerzei 633 490 468ms 5 May 2022 252nd lynn 632 354 3ms 16 Sep 2021 253rd Indivicivet 631 342 50ms 26 Oct 2021 254th Artemis21 🇬🇧 629 343 11ms 21 Dec 2024 254th RaBa21 🇭🇺 629 343 10ms 1 Aug 2025 256th JOrE20 628 304 12ms 10 Feb 2026 257th AlexKent3141 628 356 2ms 6 Jun 2025 258th albanian-laundromat 627 488 112ms 14 days ago 259th prplz 🇦🇺 625 345 12ms 29 Jun 2021 259th jakobkordez 🇸🇮 625 345 11ms 7 Nov 2022 261st Drew-j-Smith 624 346 32ms 4 May 2022 262nd eiburns 622 347 11ms 28 Sep 2023 263rd OllieBoyne 🇬🇧 620 348 12ms 18 Apr 2022 263rd PaulMWeiser 620 348 11ms 4 Mar 2023 265th janbehrens 🇩🇪 619 347 7ms 3 Jul 2023 266th djeedjay 🇳🇱 619 361 4ms 5 Sep 2021 267th snyderek 🇺🇸 619 399 86ms 9 May 2025 268th AlephSquirrel 618 316 709ms 21 Jan 2024 269th resoNathan 616 350 11ms 30 Apr 2024 269th ndren 616 350 24ms 16 Mar 2025 271st MeWhenI 🇻🇦 616 499 10ms 12 Apr 2024 272nd fgrosshans 🇫🇷 615 351 11ms 12 Jul 2024 273rd sean-niemann 🇺🇸 615 506 432ms 25 Sep 2025 274th emgordon154 614 311 10ms 9 Aug 2024 275th alemelis 614 328 899ms 21 Aug 2024 276th DialFrost 🇸🇬 613 352 11ms 27 Oct 2023 277th billings7 🇬🇧 613 506 429ms 4 May 2022 278th adamnielson42 🇺🇸 612 6,005 12ms 27 Nov 2023 279th Bubbler-4 611 254 32ms 16 Dec 2021 280th Irratix 🇳🇱 610 313 12ms 1 Oct 2021 281st snoozingnewt 🇨🇦 608 321 679ms 14 Jan 2025 282nd jared-hughes 604 316 12ms 19 Jan 2023 283rd neihousaigaai 604 357 10ms 9 Apr 2022 284th emgordon154 603 302 181ms 28 Feb 2025 285th MeWhenI 🇻🇦 603 595 39ms 6 Jun 2023 286th MeWhenI 🇻🇦 601 163 50ms 24 Aug 2022 287th elgan65536 🇺🇸 600 581 281ms 7 Feb 2026 288th BambooleanLogic 🇸🇪 598 319 12ms 29 Nov 2022 289th SB-945 598 361 11ms 26 Mar 2024 289th Lv0Sys 🇵🇱 598 361 11ms 5 Dec 2025 291st nullie 596 362 11ms 16 Jun 2022 292nd neihousaigaai 595 321 11ms 6 May 2021 293rd Ripick 594 478 391ms 11 Jul 2024 294th jerrandolph 593 542 297ms 24 Sep 2025 295th CaedenHarper 🇨🇦 589 324 14ms 16 Nov 2025 296th mcjo163 583 370 10ms 14 Jul 2021 296th quimey 583 370 12ms 4 May 2023 298th SirBogman 🇺🇸 583 855 14ms 2 Aug 2023 299th lynn 582 209 4ms 23 May 2021 300th lynn 581 600 317ms 1 Apr 2022 301st jared-hughes 579 268 39ms 19 Sep 2022 301st olleicua 🇺🇸 579 268 36ms 4 May 2024 303rd robin-scragg 578 373 11ms 27 Aug 2025 304th h3ra993huskp 🇯🇵 577 539 524ms 30 Nov 2025 305th o0lit3 🇺🇸 576 211 5ms 4 May 2021 305th scpchicken 🇵🇼 576 211 6ms 1 Nov 2023 307th olivermrose 🇺🇸 574 270 37ms 15 Apr 2022 308th cefqrn 574 376 11ms 4 May 2023 309th MeWhenI 🇻🇦 573 277 10ms 14 Nov 2022 310th bastatom 569 565 305ms 2 Apr 2024 311th CLOStrophobic 🇮🇹 568 458 49ms 6 Mar 2025 312th Andriamanitra 🇫🇮 566 274 36ms 4 May 2023 313th zakariamouhid 565 338 10ms 30 Apr 2023 314th dpethes 563 551 494ms 28 Jul 2022 315th yuchuehw 560 385 11ms 4 May 2024 316th neihousaigaai 560 555 505ms 10 Apr 2022 317th TobyBoyne 🇬🇧 558 387 19ms 4 May 2022 317th andre-lameirinhas 🇵🇹 558 387 11ms 5 May 2023 317th dokutan 558 387 11ms 10 Sep 2025 320th kcinnu 🇱🇹 552 346 14ms 15 May 2024 First Prev 241–320 of 584 Next Last