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 Gray Code Decoder Gray Code Encoder 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 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 Gray Code Decoder Gray Code Encoder 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 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 161st MeWhenI 🇻🇦 745 233 40ms 13 May 2023 162nd SirBogman 🇺🇸 741 117 283ms 31 Jan 2024 163rd MeWhenI 🇻🇦 738 181 23ms 28 Feb 2024 164th nwellnhof 🇩🇪 737 106 9ms 22 May 2022 165th SirBogman 🇺🇸 736 113 474ms 24 Jan 2024 165th duckyluuk 🇳🇱 736 113 537ms 29 Aug 2024 167th SirBogman 🇺🇸 735 168 436ms 2 Jan 2022 168th rak1507 🇬🇧 734 87 2ms 31 Jan 2022 169th CLOStrophobic 🇮🇹 731 203 7ms 6 Mar 2025 170th emgordon154 730 123 17ms 12 Apr 2025 170th snoozingnewt 🇨🇦 730 123 20ms 13 days ago 172nd MeWhenI 🇻🇦 729 157 1ms 28 Feb 2024 173rd SirBogman 🇺🇸 728 145 2ms 24 Nov 2021 173rd KasperKivimaeki 🇫🇮 728 145 863ms 14 Nov 2025 175th MeWhenI 🇻🇦 727 202 2ms 28 Feb 2024 176th MeWhenI 🇻🇦 725 192 88ms 28 Feb 2024 177th neel11235813 724 124 22ms 5 Nov 2023 178th dvargas46 🇺🇸 722 185 24ms 7 Apr 2023 179th sean-niemann 🇺🇸 721 134 1,556ms 14 Aug 2025 180th SirBogman 🇺🇸 715 104 32ms 28 Nov 2023 181st MostParsingVex 714 416 30ms 25 hours ago 182nd MeWhenI 🇻🇦 712 272 1,880ms 5 days ago 183rd jusaka 711 418 68ms 4 days ago 184th vang1ong7ang 710 243 164ms 13 days ago 185th Natanaelel 🇸🇪 708 105 34ms 20 Feb 2024 186th orthoplex 🇨🇽 707 127 18ms 26 Oct 2021 186th ndren 707 127 27ms 22 Nov 2023 188th jusaka 704 245 164ms 11 days ago 189th SirBogman 🇺🇸 703 99 42ms 31 Jan 2024 190th edsrzf 🇳🇿 703 218 335ms 16 Dec 2025 191st MeWhenI 🇻🇦 701 219 5ms 13 Aug 2024 192nd snoozingnewt 🇨🇦 698 119 700ms 13 days ago 193rd annaproxy 696 129 11ms 8 Jun 2022 194th MeWhenI 🇻🇦 696 220 333ms 28 Feb 2024 195th dcgjb 694 125 855ms 30 Jan 2024 195th nwellnhof 🇩🇪 694 125 281ms 18 Oct 2024 197th inventshah 694 178 458ms 12 Nov 2022 198th MeWhenI 🇻🇦 688 623 13ms 27 Jan 2025 199th emgordon154 687 121 399ms 12 Apr 2025 200th Artemis21 🇬🇧 685 131 17ms 10 Jan 2025 201st tatzyr 🇯🇵 682 102 36ms 11 Mar 2025 202nd neel11235813 681 122 555ms 27 Mar 2024 203rd inventshah 681 155 1ms 12 Nov 2022 204th MeWhenI 🇻🇦 680 132 11ms 22 Oct 2021 205th DialFrost 🇸🇬 675 118 608ms 2 Jan 2024 206th TFeld00 🇩🇰 675 133 17ms 19 May 2022 206th anter69 🇭🇺 675 133 19ms 7 Jul 2025 208th helbling 🇨🇭 674 145 10ms 6 Sep 2024 208th voytxt 🇨🇿 674 145 12ms 2 Jun 2025 210th albanian-laundromat 🇺🇸 673 147 1,332ms 25 Oct 2025 211th MeWhenI 🇻🇦 673 239 40ms 13 Feb 2025 212th Waffle3z 670 167 2ms 8 Apr 2022 213th pardouin 🇫🇷 670 176 2,432ms 20 May 2025 214th MeWhenI 🇻🇦 669 148 1,083ms 15 Sep 2025 215th stefangimmillaro 669 229 328ms 18 Oct 2023 216th weliveinhell 🇭🇹 665 147 14ms 21 Jan 2024 217th primo-ppcg 🇹🇭 665 201 14ms 24 Jan 2022 218th MeWhenI 🇻🇦 664 418 14ms 17 Nov 2021 219th saito-ta 🇯🇵 662 118 3ms 13 Feb 2023 220th MeWhenI 🇻🇦 662 176 1ms 28 Feb 2024 221st edsrzf 🇳🇿 662 243 39ms 17 Dec 2025 222nd DialFrost 🇸🇬 660 136 19ms 23 Feb 2024 222nd KatieLG 🇬🇧 660 136 10ms 14 Sep 2024 222nd Flekay 🇩🇪 660 136 11ms 15 Feb 2026 222nd jusaka 660 136 11ms 19 days ago 226th NewDefectus 🇮🇱 660 160 1ms 28 Dec 2021 227th inventshah 657 174 1ms 12 Nov 2022 228th dmrichwa 🇺🇸 656 149 9ms 28 Jan 2023 229th ovs-code 🇩🇪 649 128 486ms 6 Jul 2025 230th stefangimmillaro 649 202 451ms 6 Oct 2025 231st edsrzf 🇳🇿 647 199 3ms 16 Nov 2025 232nd albanian-laundromat 🇺🇸 647 227 3ms 6 Jul 2025 233rd MeWhenI 🇻🇦 643 152 10ms 28 Feb 2024 233rd JOrE20 643 152 10ms 23 Feb 2026 235th stefangimmillaro 641 181 404ms 6 Oct 2025 236th MeWhenI 🇻🇦 640 232 7ms 17 Dec 2025 237th emgordon154 637 241 6ms 29 Jun 2025 238th stefangimmillaro 637 255 138ms 24 Jul 2023 239th MeWhenI 🇻🇦 635 131 485ms 13 Jul 2024 240th MeWhenI 🇻🇦 635 170 133ms 25 days ago First Prev 161–240 of 528 Next Last