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 481st brian124634 613 103 4ms 12 days ago 482nd madex 🇩🇪 611 99 19ms 16 days ago 483rd kasarino 607 104 3ms 19 days ago 484th flekAI 607 162 312ms 39 hours ago 485th scpchicken 🇵🇼 604 45 6ms 14 hours ago 486th albanian-laundromat 🇺🇸 603 98 135ms 23 Feb 2026 487th janAkali 🇷🇺 603 99 401ms 13 days ago 488th tomh1012 602 97 378ms 21 days ago 489th dokutan 597 54 39ms 3 days ago 490th michelebastione 🇮🇹 596 98 443ms 14 days ago 491st flekAI 594 66 1,280ms 39 hours ago 492nd madex 🇩🇪 593 119 1,267ms 16 days ago 493rd Shanethegamer 🇺🇸 593 121 166ms 13 Dec 2024 494th Solathian 591 46 77ms 18 days ago 495th flekAI 586 55 40ms 44 hours ago 496th dokutan 583 72 209ms 3 days ago 497th madex 🇩🇪 570 129 366ms 18 days ago 498th prestosilver 🇺🇸 568 105 381ms 13 days ago 499th Mikey-Beep 🇬🇧 567 99 25ms 6 days ago 500th flekAI 566 147 172ms 39 hours ago 501st JOrE20 562 100 46ms 15 Dec 2025 501st tails618 562 100 22ms 31 hours ago 503rd albanian-laundromat 🇺🇸 560 75 299ms 2 Mar 2026 504th Shanethegamer 🇺🇸 549 146 31ms 9 May 2025 505th dokutan 540 75 777ms 3 days ago 506th JDiLenarda 🇫🇷 539 131 1,330ms 20 days ago 507th Shanethegamer 🇺🇸 523 50 4,001ms 8 May 2025 508th Arkadios200 523 146 2,407ms 4 days ago 509th flekAI 522 128 686ms 39 hours ago 510th madex 🇩🇪 517 100 111ms 16 days ago 511th dokutan 515 191 293ms 3 days ago 512th flekAI 506 80 886ms 39 hours ago 513th madex 🇩🇪 494 53 475ms 18 days ago 514th HumanoidCPU 487 120 401ms 15 days ago 515th flekAI 477 154 354ms 39 hours ago 516th flekAI 475 142 186ms 39 hours ago 517th flekAI 472 89 223ms 39 hours ago 518th madex 🇩🇪 471 170 33ms 16 days ago 519th flekAI 460 59 5ms 43 hours ago 520th Shanethegamer 🇺🇸 460 85 6ms 13 Dec 2024 521st Shanethegamer 🇺🇸 452 107 8ms 9 May 2025 522nd AstroOrbis 446 126 32ms 12 Aug 2025 523rd Msleizak 🇫🇷 429 84 302ms 15 days ago 524th flekAI 429 139 378ms 39 hours ago 525th madex 🇩🇪 420 78 91ms 16 days ago 526th kasarino 420 170 46ms 2 days ago 527th dokutan 414 163 477ms 3 days ago 528th flekAI 407 127 102ms 39 hours ago 529th flekAI 399 148 112ms 39 hours ago 530th flekAI 399 177 1,298ms 39 hours ago 531st dokutan 384 152 407ms 3 days ago 532nd muser-logiccpu 🇺🇦 372 88 70ms 2 Sep 2025 533rd flekAI 372 235 31ms 38 hours ago 534th flekAI 371 206 66ms 39 hours ago 535th flekAI 358 221 7ms 36 hours ago 536th flekAI 346 169 426ms 39 hours ago 537th flekAI 341 275 45ms 36 hours ago 538th flekAI 318 190 19ms 36 hours ago 539th flekAI 315 104 74ms 39 hours ago 540th flekAI 315 190 189ms 38 hours ago 541st flekAI 303 208 4ms 39 hours ago 542nd Ripick 301 198 381ms 5 days ago 543rd flekAI 300 120 459ms 39 hours ago 544th flekAI 274 208 5ms 38 hours ago 545th flekAI 270 97 148ms 39 hours ago 546th flekAI 254 212 500ms 39 hours ago 547th flekAI 239 164 6ms 38 hours ago 548th dokutan 225 253 5ms 3 days ago 549th flekAI 215 225 7ms 39 hours ago 550th flekAI 215 387 46ms 38 hours ago 551st dokutan 206 371 67ms 3 days ago 552nd dokutan 170 371 4ms 3 days ago 553rd dokutan 153 395 21ms 3 days ago 554th darrenks 🇺🇸 0 6 50ms 20 days ago 554th 2bular 0 6 45ms 20 days ago 554th Natanaelel 🇸🇪 0 6 48ms 20 days ago 554th plcc0 0 6 48ms 19 days ago 558th kg583 🇺🇸 0 9 921ms 14 May 2025 558th themoonisacheese 0 9 2,448ms 13 days ago 560th namelessiw 0 13 335ms 25 Oct 2025 First Prev 481–560 of 577 Next Last