QR 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 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 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 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 Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 151st SirBogman 🇺🇸 733 145 24 Nov 2021 152nd emgordon154 732 123 12 Apr 2025 153rd SirBogman 🇺🇸 727 104 28 Nov 2023 154th neel11235813 726 124 5 Nov 2023 155th MeWhenI 🇻🇦 726 192 28 Feb 2024 156th MeWhenI 🇻🇦 726 239 22 Apr 2024 157th dvargas46 🇺🇸 725 185 7 Apr 2023 158th Natanaelel 🇸🇪 720 105 20 Feb 2024 159th MeWhenI 🇻🇦 717 202 28 Feb 2024 160th tatzyr 🇯🇵 715 102 11 Mar 2025 161st orthoplex 🇨🇽 709 127 26 Oct 2021 161st ndren 709 127 22 Nov 2023 163rd dcgjb 707 125 30 Jan 2024 163rd nwellnhof 🇩🇪 707 125 18 Oct 2024 165th MeWhenI 🇻🇦 701 219 13 Aug 2024 166th annaproxy 698 129 8 Jun 2022 167th inventshah 698 178 12 Nov 2022 168th emgordon154 693 121 12 Apr 2025 169th MeWhenI 🇻🇦 691 220 28 Feb 2024 170th neel11235813 687 122 27 Mar 2024 171st Artemis21 🇬🇧 687 131 10 Jan 2025 171st CornerMercury 🇬🇧 687 131 2 Mar 2025 173rd inventshah 686 155 12 Nov 2022 174th DialFrost 🇸🇬 684 118 2 Jan 2024 175th stefangimmillaro 683 229 12 May 2024 176th MeWhenI 🇻🇦 682 132 22 Oct 2021 177th MeWhenI 🇻🇦 679 623 27 Jan 2025 178th TFeld00 🇩🇰 677 133 19 May 2022 179th jacobly0 🇺🇸 677 256 22 Apr 2024 180th helbling 🇨🇭 676 145 6 Sep 2024 180th voytxt 🇨🇿 676 145 18 days ago 182nd MeWhenI 🇻🇦 676 176 28 Feb 2024 183rd Waffle3z 674 167 8 Apr 2022 184th saito-ta 🇯🇵 670 118 13 Feb 2023 185th inventshah 670 174 12 Nov 2022 186th primo-ppcg 🇹🇭 668 201 24 Jan 2022 187th weliveinhell 🇭🇹 667 147 21 Jan 2024 188th pardouin 🇫🇷 667 176 20 May 2025 189th MeWhenI 🇻🇦 667 239 13 Feb 2025 190th NewDefectus 🇮🇱 664 160 28 Dec 2021 191st stefangimmillaro 664 229 18 Oct 2023 192nd DialFrost 🇸🇬 662 136 23 Feb 2024 192nd KatieLG 🇬🇧 662 136 14 Sep 2024 194th MeWhenI 🇻🇦 660 418 17 Nov 2021 195th dmrichwa 🇺🇸 658 149 28 Jan 2023 196th MeWhenI 🇻🇦 645 152 28 Feb 2024 197th MostParsingVex 641 459 16 Jan 2025 198th MeWhenI 🇻🇦 640 131 13 Jul 2024 199th KasperKivimaeki 🇫🇮 640 166 14 Feb 2025 200th stefangimmillaro 639 182 3 Oct 2023 201st stefangimmillaro 634 227 3 Oct 2023 202nd stefangimmillaro 633 255 24 Jul 2023 203rd lynn 632 249 25 Oct 2021 204th stefangimmillaro 632 273 17 Nov 2023 205th jared-hughes 626 180 9 Apr 2022 206th emgordon154 624 246 14 days ago 207th error256 618 223 29 Jul 2024 208th KatieLG 🇬🇧 616 136 28 Oct 2024 209th MeWhenI 🇻🇦 616 176 4 Sep 2024 210th AdrienHache 🇫🇷 615 189 3 Jan 2025 211th AlephSquirrel 615 247 27 Jan 2025 212th bac0id 609 257 25 Jun 2024 213th annaproxy 609 309 4 Sep 2022 214th dokutan 608 148 20 Apr 2025 215th stefangimmillaro 608 159 20 Oct 2023 216th emgordon154 605 162 7 Aug 2024 217th postie77 603 193 24 Mar 2023 218th stefangimmillaro 602 195 12 Nov 2024 219th MeWhenI 🇻🇦 601 147 28 Feb 2024 220th rucin93 🇵🇱 600 150 20 days ago 221st jared-hughes 598 164 9 Apr 2022 222nd bac0id 598 208 25 Jun 2024 223rd DialFrost 🇸🇬 595 201 18 Jan 2024 224th MeWhenI 🇻🇦 590 191 28 Feb 2024 225th ovs-code 🇩🇪 589 153 31 Mar 2022 Prev 151–225 of 409 Next