Gray Code Encoder 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 561st FlorianCassayre 🇫🇷 629 84 19ms 14 hours ago 562nd flekAI 623 59 1,297ms 32 mins ago 563rd HumanoidCPU 623 103 329ms 17 days ago 564th madex 🇩🇪 621 118 17ms 15 days ago 565th emgordon154 617 71 32ms 14 days ago 566th Alex-x90 🇺🇸 610 114 4ms 12 hours ago 567th Shanethegamer 🇺🇸 609 46 279ms 26 Nov 2024 568th madex 🇩🇪 606 106 334ms 15 days ago 569th flekAI 605 46 113ms 4 hours ago 570th HumanoidCPU 601 59 278ms 12 days ago 571st flekAI 597 74 869ms 32 mins ago 572nd madex 🇩🇪 593 130 345ms 16 days ago 573rd prestosilver 🇺🇸 590 115 411ms 19 days ago 574th scpchicken 🇵🇼 586 29 7ms 7 days ago 575th not-a-pokemon 585 119 15ms 18 days ago 576th madex 🇩🇪 584 48 228ms 16 days ago 577th albanian-laundromat 🇺🇸 583 150 28ms 21 days ago 578th CaedenHarper 🇨🇦 580 129 452ms 22 days ago 579th flekAI 572 115 711ms 32 mins ago 580th retrohun 571 62 5ms 6 days ago 581st flekAI 569 123 236ms 32 mins ago 582nd madex 🇩🇪 568 182 7ms 15 days ago 583rd madex 🇩🇪 561 121 366ms 15 days ago 584th JOrE20 550 159 69ms 14 Feb 2026 585th flekAI 546 109 136ms 32 mins ago 586th flekAI 546 141 366ms 32 mins ago 587th snoozingnewt 🇨🇦 540 116 113ms 9 days ago 588th snydej 534 99 45ms 22 Nov 2024 589th emgordon154 529 150 15ms 9 May 2025 590th madex 🇩🇪 507 112 1,333ms 15 days ago 591st KrausRaus 🇺🇸 495 83 17ms 16 days ago 592nd albanian-laundromat 🇺🇸 492 57 272ms 20 days ago 593rd HumanoidCPU 475 59 255ms 13 days ago 594th MeWhenI 🇻🇦 475 83 1,079ms 6 days ago 595th madex 🇩🇪 473 85 70ms 15 days ago 596th dokutan 473 158 73ms 16 days ago 597th CaedenHarper 🇨🇦 452 89 101ms 20 days ago 598th flekAI 452 142 366ms 32 mins ago 599th kasarino 443 157 12ms 18 days ago 600th madex 🇩🇪 443 204 32ms 15 days ago 601st RYSF13 🇨🇳 414 168 13ms 25 Jun 2025 602nd flekAI 406 146 473ms 32 mins ago 603rd emplv 🇱🇻 405 216 65ms 7 days ago 604th flekAI 403 141 1,494ms 32 mins ago 605th HumanoidCPU 374 200 421ms 16 days ago 606th Msleizak 🇫🇷 319 88 412ms 13 days ago 607th flekAI 314 216 417ms 32 mins ago 608th kasarino 307 175 56ms 9 hours ago 609th flekAI 289 97 446ms 32 mins ago 610th flekAI 259 155 87ms 32 mins ago 611th flekAI 252 315 17ms 32 mins ago 612th flekAI 249 279 5ms 32 mins ago 613th flekAI 229 327 454ms 32 mins ago 614th JOrE20 196 381 2,566ms 29 Dec 2025 615th CaedenHarper 🇨🇦 61 853 550ms 21 days ago 616th namelessiw 0 5 160ms 13 Oct 2025 616th Shanethegamer 🇺🇸 0 5 193ms 20 Oct 2025 616th GolfingSuccess 🇬🇷 0 5 156ms 13 Dec 2025 619th GolfingSuccess 🇬🇷 0 6 266ms 14 May 2025 619th kg583 🇺🇸 0 6 262ms 14 May 2025 619th JOrE20 0 6 275ms 27 Feb 2026 622nd Natanaelel 🇸🇪 0 7 59ms 2 May 2025 622nd 2bular 0 7 55ms 2 May 2025 622nd Shanethegamer 🇺🇸 0 7 57ms 30 May 2025 622nd darrenks 🇺🇸 0 7 58ms 19 days ago 622nd plcc0 0 7 58ms 17 days ago 627th ovs-code 🇩🇪 0 8 55ms 12 Oct 2025 628th themoonisacheese 0 10 1,011ms 13 days ago 629th GolfingSuccess 🇬🇷 0 13 158ms 8 May 2025 629th Shanethegamer 🇺🇸 0 13 148ms 30 May 2025 631st Shanethegamer 🇺🇸 0 25 10ms 1 Jun 2025 632nd KatieLG 🇬🇧 0 31 17ms 16 days ago 633rd GolfingSuccess 🇬🇷 0 41 16ms 8 Aug 2025 634th ovs-code 🇩🇪 0 42 78ms 30 May 2025 635th GolfingSuccess 🇬🇷 0 45 78ms 14 May 2025 636th Shanethegamer 🇺🇸 0 56 66ms 30 Apr 2025 636th GolfingSuccess 🇬🇷 0 56 70ms 8 May 2025 636th sean-niemann 🇺🇸 0 56 67ms 8 May 2025 639th Matter1024 🇮🇳 0 57 68ms 13 Feb 2026 640th GolfingSuccess 🇬🇷 0 59 72ms 8 May 2025 First Prev 561–640 of 651 Next Last