QR 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 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 ArkScript 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 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 ArkScript 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 1st emgordon154 1,000 48 41ms 10 Nov 2025 2nd JayXon 🇺🇸 965 93 21ms 6 May 2023 3rd Steffan153 🇫🇮 952 73 39ms 17 hours ago 4th ovs-code 🇩🇪 951 67 2ms 5 Nov 2023 4th HPWiz 🇳🇿 951 67 2ms 5 Nov 2023 6th JayXon 🇺🇸 944 88 438ms 23 Jan 2024 7th nwellnhof 🇩🇪 944 95 32ms 24 Jan 2022 8th JayXon 🇺🇸 939 104 9ms 18 Jan 2025 9th nwellnhof 🇩🇪 930 76 226ms 28 Dec 2021 10th HPWiz 🇳🇿 929 80 33ms 29 Sep 2021 11th o0lit3 🇺🇸 929 84 3ms 31 Oct 2021 12th btnlq 925 97 10ms 19 Sep 2021 13th JayXon 🇺🇸 924 86 497ms 30 Dec 2023 14th bitsandbeyond 🇳🇱 921 94 304ms 9 Oct 2025 15th JayXon 🇺🇸 915 92 227ms 14 Aug 2024 16th JayXon 🇺🇸 915 115 2ms 7 May 2023 17th JayXon 🇺🇸 914 76 64ms 6 May 2023 18th sean-niemann 🇺🇸 913 107 10ms 18 Jan 2025 19th JayXon 🇺🇸 913 127 388ms 7 May 2023 20th Lydxn 🇨🇦 906 99 15ms 18 Sep 2021 21st JayXon 🇺🇸 903 145 432ms 27 Sep 2025 22nd nwellnhof 🇩🇪 902 77 41ms 28 Dec 2021 23rd JayXon 🇺🇸 900 137 486ms 7 May 2023 24th JayXon 🇺🇸 899 107 1,231ms 6 May 2023 25th pardouin 🇫🇷 888 101 24ms 12 Jul 2024 26th nwellnhof 🇩🇪 888 110 10ms 3 Oct 2022 27th sean-niemann 🇺🇸 888 130 4ms 24 Jun 2025 28th Steffan153 🇫🇮 886 95 139ms 11 Aug 2024 28th sean-niemann 🇺🇸 886 95 165ms 8 Jan 2025 30th sean-niemann 🇺🇸 886 111 1,089ms 15 Sep 2025 31st Bubbler-4 885 72 2ms 2 Feb 2022 32nd JayXon 🇺🇸 883 173 292ms 7 May 2023 33rd sean-niemann 🇺🇸 878 132 1ms 19 Nov 2025 34th JayXon 🇺🇸 878 133 3,978ms 17 Nov 2024 35th JayXon 🇺🇸 876 127 1ms 7 May 2023 36th JayXon 🇺🇸 874 141 453ms 7 May 2023 37th jared-hughes 874 152 23ms 30 Jan 2023 38th JayXon 🇺🇸 874 196 155ms 20 Jun 2023 39th MeWhenI 🇻🇦 873 55 43ms 25 Aug 2022 40th SirBogman 🇺🇸 873 73 2ms 2 Nov 2023 41st Steffan153 🇫🇮 872 112 11ms 11 Aug 2024 42nd nwellnhof 🇩🇪 870 121 2ms 25 Sep 2021 43rd sean-niemann 🇺🇸 866 131 1ms 17 Jul 2025 44th pardouin 🇫🇷 865 96 403ms 12 Jul 2024 45th kg583 🇺🇸 865 133 4ms 25 Jan 2026 46th JayXon 🇺🇸 865 165 136ms 6 May 2023 47th JayXon 🇺🇸 863 169 2ms 6 May 2023 48th kg583 🇺🇸 863 171 6ms 15 days ago 49th SirBogman 🇺🇸 862 82 153ms 31 Jan 2024 50th Steffan153 🇫🇮 862 134 5ms 11 Aug 2024 51st JayXon 🇺🇸 861 124 150ms 24 May 2025 52nd nwellnhof 🇩🇪 859 135 413ms 21 Nov 2021 53rd JayXon 🇺🇸 859 162 376ms 8 Nov 2021 54th edsrzf 🇳🇿 858 172 6ms 17 Dec 2025 55th JayXon 🇺🇸 858 188 103ms 6 May 2023 56th MeWhenI 🇻🇦 857 149 3ms 30 Oct 2023 57th ovs-code 🇩🇪 857 218 122ms 30 Jan 2024 58th nwellnhof 🇩🇪 856 144 436ms 3 Jan 2022 59th hallvabo 🇳🇴 854 105 25ms 31 Dec 2023 59th Steffan153 🇫🇮 854 105 17ms 25 days ago 61st kg583 🇺🇸 853 157 7ms 6 days ago 62nd error256 852 138 809ms 29 Jul 2024 63rd JayXon 🇺🇸 852 183 1,458ms 2 Nov 2023 64th ovs-code 🇩🇪 851 162 85ms 22 Oct 2024 65th nwellnhof 🇩🇪 850 154 397ms 25 Sep 2025 66th emplv 🇱🇻 849 115 11ms 19 Jan 2025 67th JayXon 🇺🇸 847 203 1,719ms 22 Apr 2024 68th ovs-code 🇩🇪 845 180 26ms 5 Jun 2025 68th edsrzf 🇳🇿 845 180 129ms 5 Dec 2025 70th kg583 🇺🇸 842 189 40ms 17 Dec 2025 71st Steffan153 🇫🇮 840 138 1ms 11 Aug 2024 72nd GolfingSuccess 🇬🇷 839 107 16ms 18 Sep 2021 73rd SirBogman 🇺🇸 838 205 40ms 3 Jun 2025 74th MeWhenI 🇻🇦 837 83 44ms 16 Aug 2022 74th pardouin 🇫🇷 837 83 35ms 27 hours ago 76th sean-niemann 🇺🇸 837 170 79ms 6 Jul 2025 77th Bubbler-4 835 89 34ms 25 Feb 2022 77th ovs-code 🇩🇪 835 89 31ms 5 Apr 2023 79th Steffan153 🇫🇮 831 100 384ms 19 days ago 80th SirBogman 🇺🇸 831 108 27ms 31 Jan 2024 1–80 of 472 Next Last