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 321st bac0id 510 257 416ms 25 Jun 2024 322nd prplz 🇦🇺 501 179 10ms 13 Jan 2024 323rd jerrandolph 501 306 368ms 25 Sep 2025 324th lynn 500 96 43ms 3 Apr 2023 325th jared-hughes 499 180 17ms 9 Apr 2022 326th MeWhenI 🇻🇦 491 172 149ms 5 Jan 2025 327th jusaka 491 479 31ms 23 hours ago 328th Natanaelel 🇸🇪 490 142 36ms 18 Sep 2021 329th janbehrens 🇩🇪 489 238 5ms 4 Dec 2024 330th jared-hughes 486 143 37ms 10 Sep 2022 331st alexsave 486 201 11ms 3 Jan 2026 332nd jusaka 486 255 158ms 23 hours ago 333rd jusaka 485 240 5ms 23 hours ago 334th stefangimmillaro 473 147 38ms 12 May 2024 335th inventshah 472 190 17ms 12 Nov 2022 335th stefangimmillaro 472 190 27ms 8 Aug 2023 337th p-vf 🇨🇭 472 246 417ms 21 Nov 2021 338th janbehrens 🇩🇪 467 286 18ms 13 Sep 2022 339th yzhs 🇩🇪 465 193 10ms 4 Jun 2022 339th flekAI 465 193 10ms 4 days ago 341st CaedenHarper 🇨🇦 464 330 360ms 17 Nov 2025 342nd yuchuehw 463 194 18ms 6 Jan 2024 343rd jusaka 462 214 826ms 23 hours ago 344th MeWhenI 🇻🇦 462 268 432ms 4 Mar 2022 345th jusaka 461 212 10ms 23 hours ago 346th jusaka 461 229 2ms 23 hours ago 347th MeWhenI 🇻🇦 459 256 64ms 28 Feb 2024 348th jusaka 458 270 1,555ms 23 hours ago 349th janbehrens 🇩🇪 457 254 409ms 4 Dec 2024 350th jusaka 457 459 74ms 23 hours ago 351st CaedenHarper 🇨🇦 454 218 1,265ms 2 Oct 2025 352nd nullie 453 198 10ms 14 Jun 2022 353rd madex 🇩🇪 453 233 2ms 26 days ago 354th jusaka 450 185 464ms 23 hours ago 355th janbehrens 🇩🇪 449 218 10ms 4 Dec 2024 356th elgan65536 🇺🇸 448 385 157ms 7 Feb 2026 357th CaedenHarper 🇨🇦 439 299 397ms 7 Oct 2025 358th jakobkordez 🇸🇮 438 205 18ms 30 Oct 2022 359th jusaka 437 256 2ms 23 hours ago 360th MeWhenI 🇻🇦 437 480 91ms 18 Mar 2024 361st janbehrens 🇩🇪 436 301 463ms 4 Dec 2024 362nd jusaka 436 372 711ms 23 hours ago 363rd Chinay-Domitrix 🇺🇸 435 271 2,796ms 14 Mar 2026 364th CatsAreFluffy 434 207 18ms 17 Feb 2024 364th StefanHabel 🇨🇦 434 207 11ms 9 Mar 2026 366th KatieLG 🇬🇧 432 161 34ms 2 Oct 2025 367th CaedenHarper 🇨🇦 432 269 418ms 17 Oct 2025 368th Natanaelel 🇸🇪 432 737 20ms 19 Feb 2024 369th flekAI 431 193 514ms 4 days ago 370th rucin93 🇵🇱 431 196 170ms 5 Jan 2025 371st jusaka 430 266 2ms 23 hours ago 372nd jusaka 429 336 40ms 23 hours ago 373rd scpchicken 🇵🇼 427 210 19ms 8 days ago 374th jusaka 427 276 2,998ms 18 hours ago 375th OllieBoyne 🇬🇧 425 211 10ms 19 Aug 2022 376th jusaka 425 314 6ms 23 hours ago 377th jusaka 424 309 355ms 23 hours ago 378th jusaka 423 410 42ms 23 hours ago 379th InigoK 🇺🇸 419 214 18ms 22 Sep 2025 380th jusaka 418 278 431ms 23 hours ago 381st mathisfun271 417 215 10ms 12 Feb 2024 382nd andrewjc2000 416 216 29ms 15 May 2025 383rd coreynash 414 236 10ms 13 Feb 2024 383rd CaedenHarper 🇨🇦 414 236 16ms 29 Aug 2025 385th antimon2 🇯🇵 409 195 1,350ms 8 Mar 2024 386th BREMAUCY 🇫🇷 406 221 19ms 22 Aug 2025 387th pschmid0 🇺🇸 405 287 5ms 23 Oct 2022 388th uttumuttu 🇫🇮 404 242 11ms 9 Apr 2022 389th janbehrens 🇩🇪 402 307 2,980ms 20 Nov 2022 390th jusaka 396 1,222 3ms 17 hours ago 391st guilhem-roy 🇫🇷 395 227 10ms 3 Mar 2022 392nd janbehrens 🇩🇪 395 314 451ms 13 Sep 2022 393rd jusaka 394 245 1,313ms 23 hours ago 394th jusaka 394 358 379ms 23 hours ago 395th Waffle3z 393 249 10ms 18 Sep 2021 396th olleicua 🇺🇸 391 250 11ms 21 Feb 2024 397th madex 🇩🇪 389 303 2,546ms 26 days ago 398th stu303 385 233 11ms 20 Jul 2022 399th davecame 380 236 18ms 19 Mar 2024 400th scpchicken 🇵🇼 379 206 3ms 24 Feb 2023 First Prev 321–400 of 529 Next Last