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 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 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 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 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 150th duckyluuk 🇳🇱 742 113 29 Aug 2024 152nd MeWhenI 🇻🇦 741 181 28 Feb 2024 153rd SirBogman 🇺🇸 740 168 2 Jan 2022 154th rucin93 🇵🇱 738 133 19 Jan 2025 155th SirBogman 🇺🇸 737 99 31 Jan 2024 156th emgordon154 733 123 12 Apr 2025 157th SirBogman 🇺🇸 733 145 24 Nov 2021 158th MeWhenI 🇻🇦 732 157 28 Feb 2024 159th MeWhenI 🇻🇦 729 202 28 Feb 2024 160th SirBogman 🇺🇸 727 104 28 Nov 2023 161st neel11235813 727 124 5 Nov 2023 162nd sean-niemann 🇺🇸 727 134 17 days ago 163rd MeWhenI 🇻🇦 726 192 28 Feb 2024 164th MeWhenI 🇻🇦 726 239 22 Apr 2024 165th dvargas46 🇺🇸 725 185 7 Apr 2023 166th Natanaelel 🇸🇪 720 105 20 Feb 2024 167th tatzyr 🇯🇵 716 102 11 Mar 2025 168th orthoplex 🇨🇽 710 127 26 Oct 2021 168th ndren 710 127 22 Nov 2023 170th dcgjb 708 125 30 Jan 2024 170th nwellnhof 🇩🇪 708 125 18 Oct 2024 172nd MeWhenI 🇻🇦 701 219 13 Aug 2024 173rd annaproxy 699 129 8 Jun 2022 174th inventshah 698 178 12 Nov 2022 175th emgordon154 693 121 12 Apr 2025 176th MeWhenI 🇻🇦 691 220 28 Feb 2024 177th Artemis21 🇬🇧 688 131 10 Jan 2025 177th CornerMercury 🇬🇧 688 131 2 Mar 2025 179th neel11235813 687 122 27 Mar 2024 180th inventshah 686 155 12 Nov 2022 181st DialFrost 🇸🇬 684 118 2 Jan 2024 182nd MeWhenI 🇻🇦 683 132 22 Oct 2021 183rd stefangimmillaro 683 229 12 May 2024 184th MeWhenI 🇻🇦 679 623 27 Jan 2025 185th TFeld00 🇩🇰 678 133 19 May 2022 185th anter69 🇭🇺 678 133 7 Jul 2025 187th helbling 🇨🇭 677 145 6 Sep 2024 187th voytxt 🇨🇿 677 145 2 Jun 2025 189th jacobly0 🇺🇸 677 256 22 Apr 2024 190th MeWhenI 🇻🇦 676 176 28 Feb 2024 191st Waffle3z 674 167 8 Apr 2022 192nd saito-ta 🇯🇵 670 118 13 Feb 2023 193rd weliveinhell 🇭🇹 668 147 21 Jan 2024 194th primo-ppcg 🇹🇭 668 201 24 Jan 2022 195th pardouin 🇫🇷 667 176 20 May 2025 196th MeWhenI 🇻🇦 667 239 13 Feb 2025 197th NewDefectus 🇮🇱 664 160 28 Dec 2021 198th stefangimmillaro 664 229 18 Oct 2023 199th DialFrost 🇸🇬 663 136 23 Feb 2024 199th KatieLG 🇬🇧 663 136 14 Sep 2024 201st inventshah 661 174 12 Nov 2022 202nd MeWhenI 🇻🇦 660 418 17 Nov 2021 203rd dmrichwa 🇺🇸 659 149 28 Jan 2023 204th ovs-code 🇩🇪 655 128 6 Jul 2025 205th albanian-laundromat 649 227 6 Jul 2025 206th ovs-code 🇩🇪 646 113 6 Jul 2025 207th MeWhenI 🇻🇦 646 152 28 Feb 2024 208th MostParsingVex 641 459 16 Jan 2025 209th MeWhenI 🇻🇦 640 131 13 Jul 2024 210th KasperKivimaeki 🇫🇮 640 166 14 Feb 2025 211th stefangimmillaro 639 182 3 Oct 2023 212th emgordon154 637 241 29 Jun 2025 213th stefangimmillaro 634 227 3 Oct 2023 214th stefangimmillaro 633 255 24 Jul 2023 215th lynn 632 249 25 Oct 2021 216th stefangimmillaro 632 273 17 Nov 2023 217th ovs-code 🇩🇪 630 143 6 Jul 2025 218th jared-hughes 626 180 9 Apr 2022 219th error256 625 223 29 Jul 2024 220th AdrienHache 🇫🇷 619 188 25 Jul 2025 221st KatieLG 🇬🇧 616 136 28 Oct 2024 222nd MeWhenI 🇻🇦 616 176 4 Sep 2024 223rd AlephSquirrel 615 247 27 Jan 2025 224th stefangimmillaro 613 159 20 Oct 2023 225th dokutan 609 148 20 Apr 2025 Prev 151–225 of 428 Next