Gray Code Decoder in all languages 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 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 401st CLOStrophobic 🇮🇹 690 104 21ms 18 Jan 2025 402nd albanian-laundromat 685 75 108ms 5 Jan 2026 403rd albanian-laundromat 684 19 4ms 13 Feb 2026 404th albanian-laundromat 684 95 114ms 6 Jan 2026 405th bricknellj 683 82 17ms 30 Jan 2025 406th KatieLG 🇬🇧 682 47 40ms 2 days ago 407th Shanethegamer 🇺🇸 676 76 129ms 13 Dec 2024 408th DialFrost 🇸🇬 675 48 54ms 16 Dec 2025 409th msbranicky 674 83 18ms 6 days ago 410th AlephSquirrel 671 107 20ms 14 May 2025 411th Shanethegamer 🇺🇸 671 124 147ms 3 Jun 2025 412th madex 🇩🇪 670 75 439ms 7 days ago 413th CaedenHarper 🇨🇦 668 87 430ms 9 days ago 414th madex 🇩🇪 662 101 141ms 5 days ago 415th KatieLG 🇬🇧 661 65 11ms 2 days ago 416th AlephSquirrel 661 76 445ms 3 Dec 2025 417th madex 🇩🇪 661 79 29ms 5 days ago 418th albanian-laundromat 653 80 28ms 9 days ago 419th sean-niemann 🇺🇸 652 90 7ms 10 May 2025 420th madex 🇩🇪 649 121 8ms 5 days ago 421st Shanethegamer 🇺🇸 648 75 71ms 7 May 2025 422nd Shanethegamer 🇺🇸 640 65 257ms 13 Dec 2024 423rd Yax42 🇫🇷 632 68 12ms 9 days ago 424th madex 🇩🇪 628 87 12ms 7 days ago 425th GolfingSuccess 🇬🇷 626 137 94ms 8 days ago 426th HumanoidCPU 625 133 162ms 9 days ago 427th IISResetMe 618 58 308ms 7 days ago 428th Shanethegamer 🇺🇸 618 94 383ms 13 Dec 2024 429th UnderKoen 🇳🇱 617 139 1,178ms 8 days ago 430th Shanethegamer 🇺🇸 615 96 427ms 3 Jun 2025 431st Shanethegamer 🇺🇸 615 114 1,281ms 9 May 2025 432nd KatieLG 🇬🇧 613 82 686ms 2 days ago 433rd brian124634 609 103 4ms 24 hours ago 434th madex 🇩🇪 605 99 19ms 5 days ago 435th kasarino 603 104 4ms 8 days ago 436th tomh1012 599 97 378ms 9 days ago 437th albanian-laundromat 598 98 135ms 23 Feb 2026 438th janAkali 🇷🇺 597 99 401ms 2 days ago 439th jusaka 594 140 165ms 12 hours ago 440th michelebastione 🇮🇹 593 98 454ms 3 days ago 441st Shanethegamer 🇺🇸 593 121 148ms 13 Dec 2024 442nd madex 🇩🇪 590 119 1,351ms 5 days ago 443rd Solathian 587 46 98ms 7 days ago 444th madex 🇩🇪 564 129 366ms 7 days ago 445th prestosilver 🇺🇸 563 105 408ms 46 hours ago 446th JOrE20 560 100 42ms 15 Dec 2025 447th albanian-laundromat 554 75 238ms 2 Mar 2026 448th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 449th JDiLenarda 🇫🇷 536 131 1,330ms 8 days ago 450th vang1ong7ang 517 161 171ms 20 hours ago 451st Shanethegamer 🇺🇸 516 50 4,026ms 8 May 2025 452nd madex 🇩🇪 514 100 112ms 5 days ago 453rd retrohun 504 111 41ms 9 days ago 454th madex 🇩🇪 487 53 952ms 7 days ago 455th HumanoidCPU 484 120 401ms 4 days ago 456th Shanethegamer 🇺🇸 473 85 6ms 13 Dec 2024 457th madex 🇩🇪 471 170 36ms 5 days ago 458th Shanethegamer 🇺🇸 450 107 8ms 9 May 2025 459th AstroOrbis 444 126 23ms 12 Aug 2025 460th Msleizak 🇫🇷 427 84 302ms 3 days ago 461st madex 🇩🇪 416 78 91ms 5 days ago 462nd muser-logiccpu 🇺🇦 368 88 72ms 2 Sep 2025 463rd darrenks 🇺🇸 0 6 50ms 9 days ago 463rd 2bular 0 6 45ms 9 days ago 463rd Natanaelel 🇸🇪 0 6 48ms 9 days ago 463rd plcc0 0 6 48ms 8 days ago 467th kg583 🇺🇸 0 9 921ms 14 May 2025 467th themoonisacheese 0 9 2,448ms 46 hours ago 469th namelessiw 0 13 335ms 25 Oct 2025 470th AlephSquirrel 0 20 8ms 3 Dec 2025 470th ovs-code 🇩🇪 0 20 9ms 3 Dec 2025 472nd AlephSquirrel 0 27 5ms 3 Dec 2025 472nd ovs-code 🇩🇪 0 27 6ms 7 Dec 2025 474th ovs-code 🇩🇪 0 29 125ms 3 Dec 2025 475th Shanethegamer 🇺🇸 0 32 35ms 19 May 2025 476th KatieLG 🇬🇧 0 43 61ms 4 days ago 477th madex 🇩🇪 0 59 1,185ms 7 days ago 478th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 479th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 480th GolfingSuccess 🇬🇷 0 71 26ms 12 Jan 2026 First Prev 401–480 of 485 Next Last