Gray Code Decoder in all languages in chars. 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 Chars Time 1st 2bular 0 7 5 Jul 2025 1st Natanaelel 🇸🇪 0 7 5 Jul 2025 3rd kg583 🇺🇸 0 9 14 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 42 hours ago 8th namelessiw 0 14 15 hours ago 9th saito-ta 🇯🇵 0 18 11 May 2025 10th pardouin 🇫🇷 0 20 25 Feb 2025 11th ovs-code 🇩🇪 0 22 23 Feb 2025 12th 2bular 0 28 5 days ago 12th SirBogman 🇺🇸 0 28 4 days ago 14th GolfingSuccess 🇬🇷 0 29 25 Nov 2024 14th Natanaelel 🇸🇪 0 29 11 May 2025 14th ovs-code 🇩🇪 0 29 4 days ago 17th ovs-code 🇩🇪 0 31 30 May 2025 18th Shanethegamer 🇺🇸 0 32 19 May 2025 19th Natanaelel 🇸🇪 0 33 8 May 2025 20th 4atj 0 35 21 May 2025 21st 4atj 0 36 21 May 2025 22nd saito-ta 🇯🇵 0 37 11 May 2025 22nd Natanaelel 🇸🇪 0 37 11 May 2025 24th Natanaelel 🇸🇪 0 38 8 May 2025 25th error256 0 39 8 May 2025 26th stefangimmillaro 0 41 9 May 2025 27th Shanethegamer 🇺🇸 0 42 13 Dec 2024 27th MeWhenI 🇻🇦 0 42 15 Apr 2025 27th saito-ta 🇯🇵 0 42 10 May 2025 30th error256 0 45 12 Apr 2025 31st kg583 🇺🇸 0 46 10 days ago 32nd ovs-code 🇩🇪 0 48 23 Feb 2025 33rd antimon2 🇯🇵 0 49 16 Dec 2024 33rd DialFrost 🇸🇬 0 49 9 May 2025 33rd kg583 🇺🇸 0 49 11 days ago 36th Shanethegamer 🇺🇸 0 50 8 May 2025 37th lukegustafson 🇺🇸 0 51 16 Jun 2025 38th Shanethegamer 🇺🇸 0 52 13 Dec 2024 38th error256 0 52 17 days ago 40th kg583 🇺🇸 0 53 11 days ago 41st Shanethegamer 🇺🇸 0 54 13 Dec 2024 41st rucin93 🇵🇱 0 54 24 Feb 2025 41st error256 0 54 2 May 2025 41st sean-niemann 🇺🇸 0 54 8 May 2025 45th Natanaelel 🇸🇪 0 55 8 May 2025 46th kg583 🇺🇸 0 56 1 Dec 2024 46th kg583 🇺🇸 0 56 10 days ago 48th edsrzf 🇳🇿 0 57 10 May 2025 49th pardouin 🇫🇷 0 58 24 Feb 2025 49th kg583 🇺🇸 0 58 11 days ago 51st lifthrasiir 🇰🇷 0 59 11 Dec 2024 51st ovs-code 🇩🇪 0 59 23 Feb 2025 51st sean-niemann 🇺🇸 0 59 19 May 2025 54th khvdm 0 60 13 Jan 2025 54th emgordon154 0 60 9 May 2025 54th emgordon154 0 60 9 May 2025 57th DialFrost 🇸🇬 0 61 24 Feb 2025 58th Andrey-Plotnikov 0 62 12 Jan 2025 58th XenThe 🇬🇧 0 62 15 Jul 2025 60th kg583 🇺🇸 0 63 1 Dec 2024 60th hallvabo 🇳🇴 0 63 30 Dec 2024 60th pardouin 🇫🇷 0 63 24 Feb 2025 60th Shanethegamer 🇺🇸 0 63 7 May 2025 60th sean-niemann 🇺🇸 0 63 9 May 2025 60th rucin93 🇵🇱 0 63 10 May 2025 60th edsrzf 🇳🇿 0 63 10 May 2025 60th targrik 0 63 6 days ago 68th CornerMercury 🇬🇧 0 64 3 Dec 2024 68th ndren 0 64 3 Dec 2024 68th lifthrasiir 🇰🇷 0 64 11 Dec 2024 68th emgordon154 0 64 9 May 2025 72nd Shanethegamer 🇺🇸 0 65 13 Dec 2024 73rd dokutan 0 66 18 Aug 2025 73rd dokutan 0 66 18 Aug 2025 75th Shanethegamer 🇺🇸 0 67 7 May 2025 1–75 of 167 Next Last
