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 Minesweeper 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 Binary Lambda Calculus Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 151st nwellnhof 🇩🇪 734 106 9ms 22 May 2022 152nd SirBogman 🇺🇸 734 168 386ms 2 Jan 2022 153rd MeWhenI 🇻🇦 734 181 23ms 28 Feb 2024 154th rak1507 🇬🇧 733 87 2ms 31 Jan 2022 155th rucin93 🇵🇱 733 133 10ms 19 Jan 2025 156th emgordon154 729 123 16ms 12 Apr 2025 157th SirBogman 🇺🇸 727 99 38ms 31 Jan 2024 158th SirBogman 🇺🇸 726 145 2ms 24 Nov 2021 158th KasperKivimaeki 🇫🇮 726 145 849ms 19 hours ago 160th neel11235813 723 124 20ms 5 Nov 2023 161st MeWhenI 🇻🇦 723 157 2ms 28 Feb 2024 162nd MeWhenI 🇻🇦 722 202 3ms 28 Feb 2024 163rd sean-niemann 🇺🇸 718 134 845ms 14 Aug 2025 164th dvargas46 🇺🇸 718 185 21ms 7 Apr 2023 165th MeWhenI 🇻🇦 718 192 80ms 28 Feb 2024 166th SirBogman 🇺🇸 715 104 42ms 28 Nov 2023 167th MeWhenI 🇻🇦 712 239 1,702ms 22 Apr 2024 168th Natanaelel 🇸🇪 708 105 47ms 20 Feb 2024 169th kg583 🇺🇸 707 224 4ms 21 days ago 170th tatzyr 🇯🇵 706 102 35ms 11 Mar 2025 171st orthoplex 🇨🇽 706 127 18ms 26 Oct 2021 171st ndren 706 127 32ms 22 Nov 2023 173rd annaproxy 695 129 12ms 8 Jun 2022 174th MeWhenI 🇻🇦 695 219 6ms 13 Aug 2024 175th dcgjb 692 125 834ms 30 Jan 2024 175th nwellnhof 🇩🇪 692 125 235ms 18 Oct 2024 177th inventshah 692 178 392ms 12 Nov 2022 178th MeWhenI 🇻🇦 692 220 262ms 28 Feb 2024 179th edsrzf 🇳🇿 689 230 4ms 21 days ago 180th emgordon154 686 121 495ms 12 Apr 2025 181st Artemis21 🇬🇧 684 131 15ms 10 Jan 2025 181st CornerMercury 🇬🇧 684 131 18ms 2 Mar 2025 183rd neel11235813 680 122 430ms 27 Mar 2024 184th MeWhenI 🇻🇦 679 132 10ms 22 Oct 2021 185th inventshah 679 155 2ms 12 Nov 2022 186th MeWhenI 🇻🇦 677 623 13ms 27 Jan 2025 187th DialFrost 🇸🇬 674 118 650ms 2 Jan 2024 188th TFeld00 🇩🇰 674 133 18ms 19 May 2022 188th anter69 🇭🇺 674 133 19ms 7 Jul 2025 190th snoozingnewt 🇺🇸 673 205 85ms 26 days ago 191st helbling 🇨🇭 672 145 10ms 6 Sep 2024 191st voytxt 🇨🇿 672 145 8ms 2 Jun 2025 193rd albanian-laundromat 669 147 806ms 20 days ago 194th MeWhenI 🇻🇦 668 176 5ms 28 Feb 2024 195th Waffle3z 666 167 2ms 8 Apr 2022 196th MeWhenI 🇻🇦 665 148 694ms 15 Sep 2025 197th jacobly0 🇺🇸 665 256 1,746ms 22 Apr 2024 198th stefangimmillaro 664 229 271ms 18 Oct 2023 198th edsrzf 🇳🇿 664 229 245ms 4 Oct 2025 200th weliveinhell 🇭🇹 663 147 10ms 21 Jan 2024 201st Steffan153 🇫🇮 663 197 298ms 11 Aug 2024 202nd primo-ppcg 🇹🇭 661 201 14ms 24 Jan 2022 203rd saito-ta 🇯🇵 660 118 3ms 13 Feb 2023 204th MeWhenI 🇻🇦 660 239 41ms 13 Feb 2025 205th DialFrost 🇸🇬 659 136 17ms 23 Feb 2024 205th KatieLG 🇬🇧 659 136 10ms 14 Sep 2024 207th pardouin 🇫🇷 659 176 3,946ms 20 May 2025 208th NewDefectus 🇮🇱 658 160 2ms 28 Dec 2021 209th MeWhenI 🇻🇦 656 418 20ms 17 Nov 2021 210th dmrichwa 🇺🇸 654 149 9ms 28 Jan 2023 211th inventshah 652 174 2ms 12 Nov 2022 212th ovs-code 🇩🇪 648 128 578ms 6 Jul 2025 213th stefangimmillaro 647 202 351ms 6 Oct 2025 214th albanian-laundromat 643 227 4ms 6 Jul 2025 215th MeWhenI 🇻🇦 641 152 9ms 28 Feb 2024 216th stefangimmillaro 638 181 336ms 6 Oct 2025 217th ovs-code 🇩🇪 637 113 33ms 6 Jul 2025 218th MostParsingVex 637 459 28ms 16 Jan 2025 219th MeWhenI 🇻🇦 634 131 345ms 13 Jul 2024 220th edsrzf 🇳🇿 632 202 3ms 37 hours ago 221st emgordon154 631 241 6ms 29 Jun 2025 222nd stefangimmillaro 628 227 108ms 3 Oct 2023 223rd stefangimmillaro 628 273 158ms 17 Nov 2023 224th ovs-code 🇩🇪 627 143 22ms 6 Jul 2025 225th lynn 627 249 1,387ms 25 Oct 2021 First Prev 151–225 of 444 Next Last