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 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 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 Colors (Inverse) 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 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 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 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 Colors (Inverse) 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 Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 226th scpchicken 🇵🇼 577 324 17 Mar 2023 227th ovs-code 🇩🇪 574 146 22 Mar 2025 228th bac0id 574 185 25 Jun 2024 229th lynn 573 96 3 Apr 2023 230th MeWhenI 🇻🇦 573 138 28 Feb 2024 231st wh3n3v3r 🇨🇿 573 157 14 Nov 2024 232nd SB-945 570 158 14 Mar 2024 233rd lynn 569 303 31 Mar 2022 233rd andersk 🇺🇸 569 303 1 Nov 2022 235th Steffan153 🇫🇮 566 148 31 Jul 2024 235th dokutan 566 148 20 Apr 2025 237th ovs-code 🇩🇪 565 129 10 Jul 2024 238th edsrzf 🇳🇿 565 269 28 Jan 2025 239th jared-hughes 560 135 25 May 2022 240th primo-ppcg 🇹🇭 557 131 28 Sep 2021 240th olleicua 🇺🇸 557 131 20 Feb 2025 242nd 5cw 🇺🇸 549 164 8 May 2024 243rd snoozingnewt 🇺🇸 546 165 23 Sep 2023 243rd FlorianCassayre 🇫🇷 546 165 21 Oct 2023 245th MeWhenI 🇻🇦 545 148 28 Feb 2024 246th AlephSquirrel 542 166 10 Jun 2023 246th bricknellj 542 166 3 Apr 2025 248th lynn 539 167 13 Feb 2023 249th KrausRaus 🇺🇸 539 182 30 Jun 2024 250th DialFrost 🇸🇬 538 221 29 Jan 2024 251st tayloia 🇬🇧 536 183 4 May 2023 252nd ovs-code 🇩🇪 534 151 10 Mar 2024 253rd lynn 531 158 17 Feb 2024 253rd AlephSquirrel 531 158 12 Jan 2025 255th emgordon154 531 161 18 Oct 2024 256th MichalMarsalek 🇨🇿 529 266 12 Oct 2023 257th emplv 🇱🇻 524 163 28 Mar 2025 258th bac0id 524 275 25 Jun 2024 259th janbehrens 🇩🇪 520 301 4 Dec 2024 260th retrohun 518 259 23 Nov 2022 261st Natanaelel 🇸🇪 514 142 18 Sep 2021 262nd jared-hughes 510 143 10 Sep 2022 263rd prplz 🇦🇺 503 179 13 Jan 2024 264th janbehrens 🇩🇪 502 238 4 Dec 2024 265th jared-hughes 500 180 9 Apr 2022 266th MeWhenI 🇻🇦 497 172 5 Jan 2025 267th stefangimmillaro 496 147 12 May 2024 268th snoozingnewt 🇺🇸 491 284 14 Oct 2023 269th inventshah 474 190 12 Nov 2022 269th stefangimmillaro 474 190 8 Aug 2023 271st voytxt 🇨🇿 474 207 31 Jul 2024 272nd p-vf 🇨🇭 471 246 21 Nov 2021 273rd janbehrens 🇩🇪 469 286 13 Sep 2022 274th yzhs 🇩🇪 466 193 4 Jun 2022 275th MeWhenI 🇻🇦 466 256 28 Feb 2024 276th MeWhenI 🇻🇦 465 268 4 Mar 2022 277th yuchuehw 464 194 6 Jan 2024 278th janbehrens 🇩🇪 456 254 4 Dec 2024 279th nullie 455 198 14 Jun 2022 280th janbehrens 🇩🇪 450 218 4 Dec 2024 281st elgan65536 446 387 10 Apr 2024 282nd jakobkordez 🇸🇮 439 205 30 Oct 2022 283rd rucin93 🇵🇱 436 196 5 Jan 2025 284th CatsAreFluffy 435 207 17 Feb 2024 285th MeWhenI 🇻🇦 434 480 18 Mar 2024 286th Natanaelel 🇸🇪 434 737 19 Feb 2024 287th StefanHabel 🇨🇦 433 208 8 Apr 2024 288th OllieBoyne 🇬🇧 427 211 19 Aug 2022 288th albanian-laundromat 427 211 10 Apr 2025 290th h3ra993huskp 🇯🇵 421 372 6 May 2024 291st mathisfun271 419 215 12 Feb 2024 292nd andrewjc2000 417 216 16 days ago 293rd coreynash 416 236 13 Feb 2024 294th pschmid0 🇺🇸 416 287 23 Oct 2022 295th antimon2 🇯🇵 414 195 8 Mar 2024 296th uttumuttu 🇫🇮 405 242 9 Apr 2022 297th janbehrens 🇩🇪 405 307 20 Nov 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