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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st namelessiw 0 5 160ms 13 Oct 2025 1st Shanethegamer 🇺🇸 0 5 442ms 20 Oct 2025 1st GolfingSuccess 🇬🇷 0 5 156ms 16 hours ago 4th GolfingSuccess 🇬🇷 0 6 255ms 14 May 2025 4th kg583 🇺🇸 0 6 259ms 14 May 2025 6th Natanaelel 🇸🇪 0 7 435ms 2 May 2025 6th 2bular 0 7 448ms 2 May 2025 6th Shanethegamer 🇺🇸 0 7 461ms 30 May 2025 9th ovs-code 🇩🇪 0 8 443ms 12 Oct 2025 10th GolfingSuccess 🇬🇷 0 13 147ms 8 May 2025 10th Shanethegamer 🇺🇸 0 13 141ms 30 May 2025 12th saito-ta 🇯🇵 0 17 84ms 9 May 2025 12th ovs-code 🇩🇪 0 17 3ms 12 Oct 2025 12th 2bular 0 17 4ms 12 Oct 2025 12th SirBogman 🇺🇸 0 17 4ms 12 Oct 2025 12th GolfingSuccess 🇬🇷 0 17 78ms 15 hours ago 17th GolfingSuccess 🇬🇷 0 18 6ms 4 hours ago 18th pardouin 🇫🇷 0 19 100ms 25 Feb 2025 18th MeWhenI 🇻🇦 0 19 85ms 8 May 2025 18th emgordon154 0 19 92ms 21 days ago 21st Shanethegamer 🇺🇸 0 25 10ms 1 Jun 2025 22nd Shanethegamer 🇺🇸 0 27 4ms 26 Nov 2024 22nd Natanaelel 🇸🇪 0 27 7ms 8 May 2025 22nd saito-ta 🇯🇵 0 27 4ms 8 May 2025 22nd Natanaelel 🇸🇪 0 27 5ms 11 May 2025 26th bitsandbeyond 🇳🇱 0 30 363ms 20 Oct 2025 26th 2bular 0 30 40ms 27 days ago 26th ovs-code 🇩🇪 0 30 37ms 26 days ago 29th Natanaelel 🇸🇪 0 31 241ms 8 May 2025 30th Shanethegamer 🇺🇸 0 32 115ms 26 Nov 2024 30th DialFrost 🇸🇬 0 32 191ms 24 Feb 2025 32nd Shanethegamer 🇺🇸 0 33 35ms 9 Dec 2024 32nd stefangimmillaro 0 33 34ms 24 Jan 2025 32nd radarek 🇵🇱 0 33 36ms 17 Feb 2025 32nd DialFrost 🇸🇬 0 33 36ms 24 Feb 2025 32nd error256 0 33 33ms 12 Apr 2025 32nd MeWhenI 🇻🇦 0 33 36ms 15 Apr 2025 32nd Natanaelel 🇸🇪 0 33 35ms 2 May 2025 32nd sean-niemann 🇺🇸 0 33 35ms 8 May 2025 32nd GolfingSuccess 🇬🇷 0 33 36ms 8 May 2025 41st SirBogman 🇺🇸 0 34 37ms 9 Oct 2025 42nd emgordon154 0 36 34ms 9 May 2025 43rd JOrE20 🇺🇸 0 37 264ms 4 days ago 44th error256 0 40 1,188ms 12 Apr 2025 44th Shanethegamer 🇺🇸 0 40 1,141ms 30 Apr 2025 44th sean-niemann 🇺🇸 0 40 1,093ms 8 May 2025 44th GolfingSuccess 🇬🇷 0 40 966ms 8 May 2025 48th GolfingSuccess 🇬🇷 0 41 17ms 8 Aug 2025 49th ovs-code 🇩🇪 0 42 91ms 30 May 2025 50th sean-niemann 🇺🇸 0 43 9ms 8 May 2025 50th targrik 0 43 8ms 3 Sep 2025 52nd Shanethegamer 🇺🇸 0 44 11ms 10 Dec 2024 52nd DialFrost 🇸🇬 0 44 11ms 24 Feb 2025 52nd rucin93 🇵🇱 0 44 11ms 24 Feb 2025 52nd error256 0 44 11ms 12 Apr 2025 52nd GolfingSuccess 🇬🇷 0 44 8ms 8 May 2025 52nd GolfingSuccess 🇬🇷 0 44 11ms 8 May 2025 52nd Natanaelel 🇸🇪 0 44 11ms 8 May 2025 52nd sean-niemann 🇺🇸 0 44 11ms 8 May 2025 52nd edsrzf 🇳🇿 0 44 10ms 10 May 2025 52nd 4atj 0 44 11ms 8 Jun 2025 52nd lukegustafson 🇺🇸 0 44 11ms 16 Jun 2025 52nd JOrE20 🇺🇸 0 44 11ms 7 days ago 64th Andrey-Plotnikov 0 45 11ms 10 Jan 2025 64th saito-ta 🇯🇵 0 45 541ms 10 May 2025 64th GolfingSuccess 🇬🇷 0 45 80ms 14 May 2025 64th XenThe 🇬🇧 0 45 11ms 15 Jul 2025 64th smclaughlin-cf 0 45 11ms 14 Oct 2025 69th Shanethegamer 🇺🇸 0 46 269ms 26 Nov 2024 69th kg583 🇺🇸 0 46 409ms 1 Dec 2024 69th Shanethegamer 🇺🇸 0 46 403ms 10 Dec 2024 69th GolfingSuccess 🇬🇷 0 46 425ms 30 Dec 2024 69th pardouin 🇫🇷 0 46 362ms 24 Feb 2025 69th Shanethegamer 🇺🇸 0 46 9ms 30 Apr 2025 69th GolfingSuccess 🇬🇷 0 46 7ms 8 May 2025 1–75 of 222 Next Last