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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 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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 80th GolfingSuccess 🇬🇷 0 56 9ms 14 Jan 2026 80th kg583 🇺🇸 0 56 9ms 14 Jan 2026 80th GolfingSuccess 🇬🇷 0 56 488ms 22 Jan 2026 80th Steffan153 🇫🇮 0 56 447ms 19 Feb 2026 80th edsrzf 🇳🇿 0 56 9ms 3 hours ago 80th helbling 🇨🇭 0 56 40ms 3 hours ago 80th CaedenHarper 🇨🇦 0 56 14ms 12 mins ago 88th edsrzf 🇳🇿 0 57 13ms 10 May 2025 88th pardouin 🇫🇷 0 57 572ms 14 Feb 2026 88th GolfingSuccess 🇬🇷 0 57 213ms 15 days ago 88th rucin93 🇵🇱 0 57 211ms 15 days ago 92nd sean-niemann 🇺🇸 0 58 163ms 15 Jan 2026 93rd lifthrasiir 🇰🇷 0 59 572ms 11 Dec 2024 93rd ovs-code 🇩🇪 0 59 413ms 23 Feb 2025 93rd error256 0 59 68ms 13 Jan 2026 93rd madex 🇩🇪 0 59 2,743ms 3 days ago 97th khvdm 0 60 144ms 13 Jan 2025 97th emgordon154 0 60 379ms 9 May 2025 97th albanian-laundromat 0 60 369ms 22 Feb 2026 97th sean-niemann 🇺🇸 0 60 458ms 2 days ago 97th Seek64 🇩🇪 0 60 125ms 7 hours ago 102nd DialFrost 🇸🇬 0 61 25ms 24 Feb 2025 102nd voytxt 🇨🇿 0 61 62ms 1 Jan 2026 102nd albanian-laundromat 0 61 26ms 20 days ago 102nd aksyristos 0 61 11ms 6 days ago 106th Andrey-Plotnikov 0 62 36ms 12 Jan 2025 106th XenThe 🇬🇧 0 62 11ms 15 Jul 2025 106th pardouin 🇫🇷 0 62 192ms 14 Feb 2026 106th Steffan153 🇫🇮 0 62 200ms 21 Feb 2026 106th JOrE20 0 62 28ms 25 days ago 111th kg583 🇺🇸 0 63 904ms 1 Dec 2024 111th hallvabo 🇳🇴 0 63 150ms 30 Dec 2024 111th Shanethegamer 🇺🇸 0 63 198ms 7 May 2025 111th sean-niemann 🇺🇸 0 63 7ms 9 May 2025 111th rucin93 🇵🇱 0 63 7ms 10 May 2025 111th edsrzf 🇳🇿 0 63 6ms 10 May 2025 111th targrik 0 63 7ms 8 Oct 2025 111th GolfingSuccess 🇬🇷 0 63 7ms 12 Jan 2026 111th fuzzylojik-golf 🇺🇸 0 63 142ms 23 hours ago 120th CornerMercury 🇬🇧 0 64 19ms 3 Dec 2024 120th ndren 0 64 18ms 3 Dec 2024 120th lifthrasiir 🇰🇷 0 64 182ms 11 Dec 2024 120th emgordon154 0 64 19ms 9 May 2025 120th error256 0 64 4,375ms 15 Jan 2026 120th anter69 🇭🇺 0 64 19ms 4 Feb 2026 120th albanian-laundromat 0 64 18ms 22 Feb 2026 120th albanian-laundromat 0 64 547ms 23 Feb 2026 128th Shanethegamer 🇺🇸 0 65 257ms 13 Dec 2024 128th GolfingSuccess 🇬🇷 0 65 92ms 12 Jan 2026 128th dokutan 0 65 359ms 14 Feb 2026 131st dokutan 0 66 19ms 18 Aug 2025 131st Yax42 🇫🇷 0 66 470ms 6 Jan 2026 131st AdrienHache 🇫🇷 0 66 430ms 6 Jan 2026 131st GolfingSuccess 🇬🇷 0 66 10ms 12 Jan 2026 135th Shanethegamer 🇺🇸 0 67 92ms 7 May 2025 135th Shanethegamer 🇺🇸 0 67 436ms 7 May 2025 135th namelessiw 0 67 407ms 2 Nov 2025 135th error256 0 67 111ms 30 Jan 2026 135th CaedenHarper 🇨🇦 0 67 553ms 3 days ago 135th fuzzylojik-golf 🇺🇸 0 67 490ms 23 hours ago 141st Yax42 🇫🇷 0 68 12ms 6 hours ago 142nd 4atj 0 69 1,159ms 21 May 2025 142nd GolfingSuccess 🇬🇷 0 69 447ms 14 Jan 2026 142nd error256 0 69 410ms 2 days ago 145th btnlq 0 70 193ms 4 Dec 2024 145th kg583 🇺🇸 0 70 128ms 3 Oct 2025 145th error256 0 70 133ms 15 Jan 2026 145th error256 0 70 18ms 11 days ago 149th GolfingSuccess 🇬🇷 0 71 4ms 12 Jan 2026 149th GolfingSuccess 🇬🇷 0 71 25ms 12 Jan 2026 149th GolfingSuccess 🇬🇷 0 71 18ms 14 Jan 2026 149th ovs-code 🇩🇪 0 71 134ms 4 hours ago 153rd edsrzf 🇳🇿 0 72 546ms 9 May 2025 153rd kg583 🇺🇸 0 72 18ms 2 Oct 2025 153rd rucin93 🇵🇱 0 72 9ms 17 days ago 153rd aksyristos 0 72 247ms 12 days ago 153rd blaztoma 🇱🇹 0 72 123ms 9 hours ago 153rd Emutis 🇱🇹 0 72 121ms 8 hours ago 153rd KasperKivimaeki 🇫🇮 0 72 4ms 3 hours ago 160th IISResetMe 0 73 310ms 10 Jan 2026 First Prev 81–160 of 300 Next Last