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 241st jared-hughes 618 180 1ms 9 Apr 2022 242nd AdrienHache 🇫🇷 617 188 398ms 25 Jul 2025 243rd ovs-code 🇩🇪 615 113 36ms 6 Jul 2025 244th MeWhenI 🇻🇦 612 188 4ms 28 Feb 2024 245th KatieLG 🇬🇧 611 136 412ms 28 Oct 2024 246th dokutan 610 147 18ms 10 Sep 2025 247th stefangimmillaro 605 159 1,268ms 20 Oct 2023 248th annaproxy 605 309 129ms 4 Sep 2022 249th emgordon154 603 162 11ms 7 Aug 2024 250th stefangimmillaro 602 195 2,757ms 12 Nov 2024 251st postie77 601 193 389ms 24 Mar 2023 252nd error256 601 223 9ms 29 Jul 2024 253rd Lv0Sys 🇵🇱 601 254 336ms 28 Feb 2026 254th rucin93 🇵🇱 598 150 18ms 31 May 2025 254th Babafaba 598 150 17ms 29 Oct 2025 256th AlephSquirrel 597 247 5ms 27 Jan 2025 257th jared-hughes 596 164 9ms 9 Apr 2022 258th bac0id 592 208 430ms 25 Jun 2024 259th qpwoeirut 590 152 16ms 5 Oct 2025 260th MeWhenI 🇻🇦 589 147 253ms 28 Feb 2024 261st RaBa21 🇭🇺 587 153 17ms 31 Jul 2025 262nd NewDefectus 🇮🇱 585 167 10ms 21 Sep 2021 263rd MeWhenI 🇻🇦 582 191 1ms 28 Feb 2024 264th scpchicken 🇵🇼 577 324 121ms 17 Mar 2023 265th KatieLG 🇬🇧 575 170 11ms 5 Oct 2025 266th DialFrost 🇸🇬 575 201 4ms 18 Jan 2024 267th MeWhenI 🇻🇦 574 272 1,305ms 14 Jun 2023 268th wh3n3v3r 🇨🇿 572 157 16ms 14 Nov 2024 268th blaztoma 🇱🇹 572 157 15ms 28 Dec 2025 270th bac0id 570 185 1ms 25 Jun 2024 271st Babafaba 569 146 394ms 29 Oct 2025 271st dokutan 569 146 346ms 14 Feb 2026 273rd SB-945 568 158 9ms 14 Mar 2024 273rd robin-scragg 568 158 17ms 27 Aug 2025 275th lynn 568 303 153ms 31 Mar 2022 275th andersk 🇺🇸 568 303 223ms 1 Nov 2022 277th MeWhenI 🇻🇦 565 138 3ms 28 Feb 2024 278th albanian-laundromat 561 160 17ms 27 Jun 2025 278th Lv0Sys 🇵🇱 561 160 10ms 28 Feb 2026 280th bac0id 557 208 395ms 25 Jun 2024 281st jared-hughes 551 135 33ms 25 May 2022 282nd ryyyn 🇺🇸 551 163 16ms 9 Dec 2025 283rd edsrzf 🇳🇿 548 210 4ms 16 Dec 2025 284th 5cw 🇺🇸 547 164 10ms 8 May 2024 285th FlorianCassayre 🇫🇷 544 165 10ms 21 Oct 2023 285th JOrE20 544 165 10ms 4 Dec 2025 287th AlephSquirrel 541 166 14ms 10 Jun 2023 287th bricknellj 541 166 16ms 3 Apr 2025 289th janAkali 🇷🇺 541 259 380ms 9 days ago 290th blaztoma 🇱🇹 541 281 122ms 28 Nov 2025 291st MeWhenI 🇻🇦 537 148 381ms 28 Feb 2024 292nd lynn 537 167 10ms 13 Feb 2023 293rd KrausRaus 🇺🇸 537 182 10ms 30 Jun 2024 293rd Lv0Sys 🇵🇱 537 182 10ms 28 Feb 2026 295th tayloia 🇬🇧 534 183 9ms 4 May 2023 296th snoozingnewt 🇨🇦 534 302 125ms 20 Nov 2025 297th primo-ppcg 🇹🇭 530 131 36ms 28 Sep 2021 297th olleicua 🇺🇸 530 131 35ms 20 Feb 2025 299th Seek64 🇩🇪 528 170 10ms 27 Nov 2025 300th MichalMarsalek 🇨🇿 527 266 398ms 12 Oct 2023 301st ovs-code 🇩🇪 526 151 818ms 10 Mar 2024 302nd lynn 526 158 477ms 17 Feb 2024 302nd AlephSquirrel 526 158 495ms 12 Jan 2025 304th edsrzf 🇳🇿 525 171 24ms 16 Dec 2025 305th DialFrost 🇸🇬 525 221 1ms 29 Jan 2024 306th emgordon154 523 161 155ms 18 Oct 2024 307th Salutations45 523 187 9ms 15 Oct 2025 308th bac0id 519 275 121ms 25 Jun 2024 309th emplv 🇱🇻 517 163 166ms 28 Mar 2025 310th Natanaelel 🇸🇪 515 363 144ms 16 Jun 2025 311th retrohun 513 259 61ms 23 Nov 2022 312th blaztoma 🇱🇹 510 153 3ms 14 Dec 2025 313th bac0id 509 257 416ms 25 Jun 2024 314th prplz 🇦🇺 501 179 10ms 13 Jan 2024 315th lynn 500 96 43ms 3 Apr 2023 316th jared-hughes 499 180 16ms 9 Apr 2022 317th jerrandolph 499 306 290ms 25 Sep 2025 318th MeWhenI 🇻🇦 490 172 141ms 5 Jan 2025 319th Natanaelel 🇸🇪 489 142 36ms 18 Sep 2021 320th jared-hughes 486 143 37ms 10 Sep 2022 First Prev 241–320 of 479 Next Last