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 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 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 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 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 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 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 226th ovs-code 🇩🇪 574 146 22 Mar 2025 227th bac0id 574 185 25 Jun 2024 228th lynn 573 96 3 Apr 2023 229th MeWhenI 🇻🇦 573 138 28 Feb 2024 230th wh3n3v3r 🇨🇿 573 157 14 Nov 2024 231st SB-945 570 158 14 Mar 2024 232nd lynn 569 303 31 Mar 2022 232nd andersk 🇺🇸 569 303 1 Nov 2022 234th Steffan153 🇫🇮 566 148 31 Jul 2024 234th dokutan 566 148 11 days ago 236th ovs-code 🇩🇪 565 129 10 Jul 2024 237th edsrzf 🇳🇿 565 269 28 Jan 2025 238th jared-hughes 560 135 25 May 2022 239th primo-ppcg 🇹🇭 557 131 28 Sep 2021 239th olleicua 🇺🇸 557 131 20 Feb 2025 241st 5cw 🇺🇸 549 164 8 May 2024 242nd MeWhenI 🇻🇦 545 148 28 Feb 2024 243rd snoozingnewt 🇺🇸 545 165 23 Sep 2023 243rd FlorianCassayre 🇫🇷 545 165 21 Oct 2023 245th AlephSquirrel 542 166 10 Jun 2023 245th bricknellj 542 166 3 Apr 2025 247th lynn 539 167 13 Feb 2023 248th KrausRaus 🇺🇸 539 182 30 Jun 2024 249th DialFrost 🇸🇬 538 221 29 Jan 2024 250th tayloia 🇬🇧 536 183 4 May 2023 251st ovs-code 🇩🇪 534 151 10 Mar 2024 252nd lynn 531 158 17 Feb 2024 252nd AlephSquirrel 531 158 12 Jan 2025 254th emgordon154 531 161 18 Oct 2024 255th MichalMarsalek 🇨🇿 529 266 12 Oct 2023 256th emplv 🇱🇻 524 163 28 Mar 2025 257th bac0id 524 275 25 Jun 2024 258th janbehrens 🇩🇪 520 301 4 Dec 2024 259th retrohun 518 259 23 Nov 2022 260th Natanaelel 🇸🇪 514 142 18 Sep 2021 261st jared-hughes 510 143 10 Sep 2022 262nd prplz 🇦🇺 503 179 13 Jan 2024 263rd janbehrens 🇩🇪 502 238 4 Dec 2024 264th jared-hughes 500 180 9 Apr 2022 265th MeWhenI 🇻🇦 497 172 5 Jan 2025 266th stefangimmillaro 496 147 12 May 2024 267th snoozingnewt 🇺🇸 491 284 14 Oct 2023 268th inventshah 474 190 12 Nov 2022 268th stefangimmillaro 474 190 8 Aug 2023 270th voytxt 🇨🇿 474 207 31 Jul 2024 271st p-vf 🇨🇭 471 246 21 Nov 2021 272nd janbehrens 🇩🇪 469 286 13 Sep 2022 273rd yzhs 🇩🇪 466 193 4 Jun 2022 274th MeWhenI 🇻🇦 466 256 28 Feb 2024 275th MeWhenI 🇻🇦 465 268 4 Mar 2022 276th yuchuehw 464 194 6 Jan 2024 277th janbehrens 🇩🇪 456 254 4 Dec 2024 278th nullie 455 198 14 Jun 2022 279th janbehrens 🇩🇪 450 218 4 Dec 2024 280th elgan65536 446 387 10 Apr 2024 281st jakobkordez 🇸🇮 439 205 30 Oct 2022 282nd rucin93 🇵🇱 436 196 5 Jan 2025 283rd CatsAreFluffy 435 207 17 Feb 2024 284th MeWhenI 🇻🇦 434 480 18 Mar 2024 285th Natanaelel 🇸🇪 434 737 19 Feb 2024 286th StefanHabel 🇨🇦 433 208 8 Apr 2024 287th OllieBoyne 🇬🇧 427 211 19 Aug 2022 287th albanian-laundromat 427 211 22 days ago 289th h3ra993huskp 🇯🇵 421 372 6 May 2024 290th mathisfun271 419 215 12 Feb 2024 291st coreynash 416 236 13 Feb 2024 292nd pschmid0 🇺🇸 416 287 23 Oct 2022 293rd antimon2 🇯🇵 414 195 8 Mar 2024 294th uttumuttu 🇫🇮 405 242 9 Apr 2022 295th janbehrens 🇩🇪 405 307 20 Nov 2022 296th guilhem-roy 🇫🇷 397 227 3 Mar 2022 297th janbehrens 🇩🇪 397 314 13 Sep 2022 298th Waffle3z 394 249 18 Sep 2021 299th scpchicken 🇵🇼 393 229 13 Oct 2023 300th olleicua 🇺🇸 392 250 21 Feb 2024 Prev 226–300 of 401 Next