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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 Luau 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 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 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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 151st MeWhenI 🇻🇦 741 181 28 Feb 2024 152nd SirBogman 🇺🇸 740 168 2 Jan 2022 153rd rucin93 🇵🇱 739 133 19 Jan 2025 154th SirBogman 🇺🇸 737 99 31 Jan 2024 155th emgordon154 733 123 12 Apr 2025 156th SirBogman 🇺🇸 733 145 24 Nov 2021 157th MeWhenI 🇻🇦 732 157 28 Feb 2024 158th MeWhenI 🇻🇦 729 202 28 Feb 2024 159th SirBogman 🇺🇸 727 104 28 Nov 2023 160th neel11235813 727 124 5 Nov 2023 161st sean-niemann 🇺🇸 727 134 14 Aug 2025 162nd MeWhenI 🇻🇦 726 192 28 Feb 2024 163rd dvargas46 🇺🇸 725 185 7 Apr 2023 164th Natanaelel 🇸🇪 720 105 20 Feb 2024 165th MeWhenI 🇻🇦 719 239 22 Apr 2024 166th tatzyr 🇯🇵 716 102 11 Mar 2025 167th orthoplex 🇨🇽 710 127 26 Oct 2021 167th ndren 710 127 22 Nov 2023 169th dcgjb 708 125 30 Jan 2024 169th nwellnhof 🇩🇪 708 125 18 Oct 2024 171st MeWhenI 🇻🇦 701 219 13 Aug 2024 172nd annaproxy 699 129 8 Jun 2022 173rd inventshah 698 178 12 Nov 2022 174th MeWhenI 🇻🇦 694 220 28 Feb 2024 175th emgordon154 693 121 12 Apr 2025 176th Artemis21 🇬🇧 688 131 10 Jan 2025 176th CornerMercury 🇬🇧 688 131 2 Mar 2025 178th neel11235813 687 122 27 Mar 2024 179th inventshah 686 155 12 Nov 2022 180th DialFrost 🇸🇬 684 118 2 Jan 2024 181st MeWhenI 🇻🇦 683 132 22 Oct 2021 182nd MeWhenI 🇻🇦 682 193 14 Aug 2022 183rd MeWhenI 🇻🇦 679 623 27 Jan 2025 184th TFeld00 🇩🇰 678 133 19 May 2022 184th anter69 🇭🇺 678 133 7 Jul 2025 186th helbling 🇨🇭 678 145 6 Sep 2024 186th voytxt 🇨🇿 678 145 2 Jun 2025 188th MeWhenI 🇻🇦 676 176 28 Feb 2024 189th MeWhenI 🇻🇦 674 148 23 days ago 190th Waffle3z 674 167 8 Apr 2022 191st jacobly0 🇺🇸 671 256 22 Apr 2024 192nd saito-ta 🇯🇵 670 118 13 Feb 2023 193rd albanian-laundromat 670 149 22 days ago 194th weliveinhell 🇭🇹 669 147 21 Jan 2024 195th Steffan153 🇫🇮 668 197 11 Aug 2024 196th primo-ppcg 🇹🇭 668 201 24 Jan 2022 197th pardouin 🇫🇷 667 176 20 May 2025 198th stefangimmillaro 667 229 18 Oct 2023 198th edsrzf 🇳🇿 667 229 4 days ago 200th MeWhenI 🇻🇦 667 239 13 Feb 2025 201st NewDefectus 🇮🇱 664 160 28 Dec 2021 202nd DialFrost 🇸🇬 663 136 23 Feb 2024 202nd KatieLG 🇬🇧 663 136 14 Sep 2024 204th inventshah 661 174 12 Nov 2022 205th dmrichwa 🇺🇸 660 149 28 Jan 2023 206th MeWhenI 🇻🇦 660 418 17 Nov 2021 207th ovs-code 🇩🇪 655 128 6 Jul 2025 208th KasperKivimaeki 🇫🇮 652 163 3 Sep 2025 209th stefangimmillaro 652 202 2 days ago 210th albanian-laundromat 649 227 6 Jul 2025 211th MeWhenI 🇻🇦 647 152 28 Feb 2024 212th ovs-code 🇩🇪 646 113 6 Jul 2025 213th stefangimmillaro 643 181 2 days ago 214th MostParsingVex 641 459 16 Jan 2025 215th MeWhenI 🇻🇦 640 131 13 Jul 2024 216th emgordon154 637 241 29 Jun 2025 217th stefangimmillaro 634 227 3 Oct 2023 218th stefangimmillaro 633 255 24 Jul 2023 219th lynn 632 249 25 Oct 2021 220th stefangimmillaro 632 273 17 Nov 2023 221st ovs-code 🇩🇪 630 143 6 Jul 2025 222nd jared-hughes 626 180 9 Apr 2022 223rd error256 625 223 29 Jul 2024 224th AdrienHache 🇫🇷 619 188 25 Jul 2025 225th KatieLG 🇬🇧 616 136 28 Oct 2024 First Prev 151–225 of 435 Next Last