Gray Code Decoder in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 1st 2bular 0 7 5 Jul 2025 1st Natanaelel 🇸🇪 0 7 5 Jul 2025 3rd kg583 🇺🇸 0 10 8 May 2025 4th 2bular 0 13 9 Dec 2024 4th ovs-code 🇩🇪 0 13 5 Jan 2025 4th Natanaelel 🇸🇪 0 13 8 May 2025 4th SirBogman 🇺🇸 0 13 2 days ago 8th namelessiw 0 17 43 hours ago 9th saito-ta 🇯🇵 0 18 11 May 2025 10th pardouin 🇫🇷 0 20 25 Feb 2025 11th 2bular 0 28 6 days ago 11th SirBogman 🇺🇸 0 28 5 days ago 13th GolfingSuccess 🇬🇷 0 29 25 Nov 2024 13th Natanaelel 🇸🇪 0 29 11 May 2025 13th ovs-code 🇩🇪 0 29 6 days ago 16th ovs-code 🇩🇪 0 33 23 Feb 2025 16th Natanaelel 🇸🇪 0 33 8 May 2025 18th 4atj 0 35 21 May 2025 19th 4atj 0 36 21 May 2025 20th saito-ta 🇯🇵 0 37 11 May 2025 20th Natanaelel 🇸🇪 0 37 11 May 2025 22nd Natanaelel 🇸🇪 0 38 8 May 2025 23rd error256 0 39 8 May 2025 24th stefangimmillaro 0 41 9 May 2025 25th Shanethegamer 🇺🇸 0 42 13 Dec 2024 25th MeWhenI 🇻🇦 0 42 15 Apr 2025 25th saito-ta 🇯🇵 0 42 10 May 2025 28th lyphyser 0 45 11 Feb 2025 28th error256 0 45 12 Apr 2025 30th kg583 🇺🇸 0 46 12 days ago 31st DialFrost 🇸🇬 0 49 9 May 2025 31st kg583 🇺🇸 0 49 12 days ago 33rd ovs-code 🇩🇪 0 50 23 Feb 2025 33rd Shanethegamer 🇺🇸 0 50 8 May 2025 35th lukegustafson 🇺🇸 0 51 16 Jun 2025 36th Shanethegamer 🇺🇸 0 52 13 Dec 2024 36th antimon2 🇯🇵 0 52 16 Dec 2024 36th Shanethegamer 🇺🇸 0 52 20 May 2025 36th error256 0 52 19 days ago 40th ovs-code 🇩🇪 0 53 30 May 2025 40th kg583 🇺🇸 0 53 12 days ago 42nd Shanethegamer 🇺🇸 0 54 13 Dec 2024 42nd rucin93 🇵🇱 0 54 24 Feb 2025 42nd error256 0 54 2 May 2025 42nd sean-niemann 🇺🇸 0 54 8 May 2025 46th Natanaelel 🇸🇪 0 55 8 May 2025 47th kg583 🇺🇸 0 56 11 days ago 48th edsrzf 🇳🇿 0 57 10 May 2025 49th kg583 🇺🇸 0 58 12 days ago 50th kg583 🇺🇸 0 60 1 Dec 2024 50th ovs-code 🇩🇪 0 60 23 Feb 2025 50th emgordon154 0 60 9 May 2025 53rd DialFrost 🇸🇬 0 61 24 Feb 2025 54th Andrey-Plotnikov 0 62 12 Jan 2025 54th pardouin 🇫🇷 0 62 24 Feb 2025 54th sean-niemann 🇺🇸 0 62 19 May 2025 54th XenThe 🇬🇧 0 62 15 Jul 2025 58th Shanethegamer 🇺🇸 0 63 7 May 2025 58th sean-niemann 🇺🇸 0 63 9 May 2025 58th rucin93 🇵🇱 0 63 10 May 2025 58th edsrzf 🇳🇿 0 63 10 May 2025 58th targrik 0 63 7 days ago 63rd Shanethegamer 🇺🇸 0 67 7 May 2025 63rd Shanethegamer 🇺🇸 0 67 7 May 2025 63rd emgordon154 0 67 9 May 2025 66th lifthrasiir 🇰🇷 0 68 11 Dec 2024 66th Shanethegamer 🇺🇸 0 68 13 Dec 2024 68th khvdm 0 69 13 Jan 2025 68th 4atj 0 69 21 May 2025 70th btnlq 0 70 4 Dec 2024 70th error256 0 70 7 May 2025 70th namelessiw 0 70 9 May 2025 70th kg583 🇺🇸 0 70 12 days ago 70th kg583 🇺🇸 0 70 11 days ago 75th edsrzf 🇳🇿 0 72 9 May 2025 1–75 of 168 Next Last