QR 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Groovy Harbour Hare Haxe Hush Hy iogii 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 1st ovs-code 🇩🇪 1,000 67 5 Nov 2023 1st HPWiz 🇳🇿 1,000 67 5 Nov 2023 3rd HPWiz 🇳🇿 971 80 29 Sep 2021 4th lyphyser 968 79 27 Mar 2024 5th JayXon 🇺🇸 962 135 6 May 2023 6th NewDefectus 🇮🇱 956 80 28 Sep 2021 7th JayXon 🇺🇸 952 100 7 May 2023 8th JayXon 🇺🇸 943 129 6 May 2023 9th JayXon 🇺🇸 940 127 23 Jan 2024 10th primo-ppcg 🇹🇭 939 104 22 May 2022 11th JayXon 🇺🇸 939 115 7 May 2023 12th nwellnhof 🇩🇪 934 139 24 Jan 2022 13th nwellnhof 🇩🇪 933 102 25 Sep 2021 14th ovs-code 🇩🇪 933 128 22 days ago 15th lynn 932 96 3 Apr 2023 16th Bubbler-4 931 72 2 Feb 2022 17th JayXon 🇺🇸 930 127 7 May 2023 18th JayXon 🇺🇸 925 107 6 May 2023 19th JayXon 🇺🇸 924 120 12 Feb 2022 20th bitsandbeyond 🇳🇱 923 124 5 Apr 2025 21st nwellnhof 🇩🇪 921 106 25 Sep 2021 22nd JayXon 🇺🇸 921 137 7 May 2023 23rd SirBogman 🇺🇸 918 73 2 Nov 2023 24th btnlq 916 125 2 Oct 2021 24th nwellnhof 🇩🇪 916 125 18 Oct 2024 26th sean-niemann 🇺🇸 914 130 24 Jun 2025 27th nwellnhof 🇩🇪 913 123 18 Sep 2021 28th JayXon 🇺🇸 911 130 23 Aug 2024 29th nwellnhof 🇩🇪 908 134 27 Sep 2021 30th btnlq 908 143 24 Sep 2021 30th ovs-code 🇩🇪 908 143 22 days ago 32nd sean-niemann 🇺🇸 905 134 19 Nov 2024 33rd JayXon 🇺🇸 905 175 7 May 2023 33rd rotary-o 🇯🇵 905 175 8 May 2023 35th MeWhenI 🇻🇦 903 99 28 Feb 2024 36th JayXon 🇺🇸 901 133 17 Nov 2024 37th JayXon 🇺🇸 900 141 7 May 2023 38th sean-niemann 🇺🇸 897 131 11 days ago 39th jared-hughes 897 152 30 Jan 2023 40th JayXon 🇺🇸 896 124 24 May 2025 41st JayXon 🇺🇸 896 139 7 May 2023 42nd nwellnhof 🇩🇪 893 121 25 Sep 2021 43rd JayXon 🇺🇸 891 173 7 May 2023 44th JayXon 🇺🇸 890 196 20 Jun 2023 45th o0lit3 🇺🇸 888 110 1 Nov 2021 46th Steffan153 🇫🇮 887 134 11 Aug 2024 47th JayXon 🇺🇸 887 165 6 May 2023 48th JayXon 🇺🇸 883 162 8 Nov 2021 49th Steffan153 🇫🇮 881 138 11 Aug 2024 50th JayXon 🇺🇸 881 179 6 May 2023 51st Steffan153 🇫🇮 878 138 11 Aug 2024 52nd Lydxn 🇨🇦 877 148 22 Sep 2021 53rd nwellnhof 🇩🇪 876 144 3 Jan 2022 54th ovs-code 🇩🇪 876 162 22 Oct 2024 55th nwellnhof 🇩🇪 875 135 21 Nov 2021 56th sean-niemann 🇺🇸 875 139 11 Aug 2024 57th Bubbler-4 873 89 25 Feb 2022 57th ovs-code 🇩🇪 873 89 5 Apr 2023 59th JayXon 🇺🇸 873 183 2 Nov 2023 60th ovs-code 🇩🇪 873 218 30 Jan 2024 61st JayXon 🇺🇸 871 188 6 May 2023 62nd nwellnhof 🇩🇪 870 182 1 Nov 2021 63rd ovs-code 🇩🇪 867 180 5 Jun 2025 64th JayXon 🇺🇸 866 203 22 Apr 2024 65th SirBogman 🇺🇸 858 205 3 Jun 2025 66th kg583 🇺🇸 856 240 27 Jan 2025 67th sean-niemann 🇺🇸 854 188 20 Nov 2024 68th MeWhenI 🇻🇦 850 112 14 Aug 2022 69th MeWhenI 🇻🇦 850 189 28 Feb 2024 70th MeWhenI 🇻🇦 850 198 27 Feb 2024 71st typeswitch-dev 🇵🇹 847 205 28 Aug 2023 72nd pardouin 🇫🇷 843 154 16 May 2024 73rd ovs-code 🇩🇪 842 113 22 days ago 74th MeWhenI 🇻🇦 842 223 28 Feb 2024 75th pardouin 🇫🇷 841 142 25 Jun 2024 1–75 of 420 Next
