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 Polygon Triangulations 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 226th ovs-code 🇩🇪 589 153 31 Mar 2022 227th Steffan153 🇫🇮 588 124 31 Jul 2024 228th NewDefectus 🇮🇱 587 167 21 Sep 2021 229th DialFrost 🇸🇬 581 201 18 Jan 2024 230th scpchicken 🇵🇼 581 324 17 Mar 2023 231st MeWhenI 🇻🇦 579 272 14 Jun 2023 232nd ovs-code 🇩🇪 574 146 22 Mar 2025 233rd wh3n3v3r 🇨🇿 574 157 14 Nov 2024 234th bac0id 574 185 25 Jun 2024 235th edsrzf 🇳🇿 574 265 5 days ago 236th lynn 573 96 3 Apr 2023 237th MeWhenI 🇻🇦 573 138 28 Feb 2024 238th SB-945 570 158 14 Mar 2024 239th lynn 569 303 31 Mar 2022 239th andersk 🇺🇸 569 303 1 Nov 2022 241st Steffan153 🇫🇮 566 148 31 Jul 2024 241st dokutan 566 148 20 Apr 2025 243rd ovs-code 🇩🇪 565 129 10 Jul 2024 244th albanian-laundromat 563 160 2 mins ago 245th jared-hughes 560 135 25 May 2022 246th bac0id 559 208 25 Jun 2024 247th primo-ppcg 🇹🇭 557 131 28 Sep 2021 247th olleicua 🇺🇸 557 131 20 Feb 2025 249th 5cw 🇺🇸 549 164 8 May 2024 250th snoozingnewt 🇺🇸 546 165 23 Sep 2023 250th FlorianCassayre 🇫🇷 546 165 21 Oct 2023 252nd MeWhenI 🇻🇦 545 148 28 Feb 2024 253rd AlephSquirrel 542 166 10 Jun 2023 253rd bricknellj 542 166 3 Apr 2025 255th lynn 539 167 13 Feb 2023 256th KrausRaus 🇺🇸 539 182 30 Jun 2024 257th DialFrost 🇸🇬 538 221 29 Jan 2024 258th tayloia 🇬🇧 536 183 4 May 2023 259th ovs-code 🇩🇪 534 151 10 Mar 2024 260th lynn 531 158 17 Feb 2024 260th AlephSquirrel 531 158 12 Jan 2025 262nd emgordon154 531 161 18 Oct 2024 263rd MichalMarsalek 🇨🇿 529 266 12 Oct 2023 264th emplv 🇱🇻 524 163 28 Mar 2025 265th bac0id 524 275 25 Jun 2024 266th janbehrens 🇩🇪 520 301 4 Dec 2024 267th retrohun 518 259 23 Nov 2022 268th Natanaelel 🇸🇪 518 363 11 days ago 269th Natanaelel 🇸🇪 514 142 18 Sep 2021 270th jared-hughes 510 143 10 Sep 2022 271st prplz 🇦🇺 503 179 13 Jan 2024 272nd jared-hughes 500 180 9 Apr 2022 273rd MeWhenI 🇻🇦 497 172 5 Jan 2025 274th stefangimmillaro 496 147 12 May 2024 275th Seek64 🇩🇪 492 183 10 days ago 276th snoozingnewt 🇺🇸 491 284 14 Oct 2023 277th janbehrens 🇩🇪 490 238 4 Dec 2024 278th inventshah 474 190 12 Nov 2022 278th stefangimmillaro 474 190 8 Aug 2023 280th p-vf 🇨🇭 473 246 21 Nov 2021 281st janbehrens 🇩🇪 469 286 13 Sep 2022 282nd yzhs 🇩🇪 467 193 4 Jun 2022 283rd MeWhenI 🇻🇦 466 256 28 Feb 2024 284th MeWhenI 🇻🇦 465 268 4 Mar 2022 285th yuchuehw 464 194 6 Jan 2024 286th janbehrens 🇩🇪 458 254 4 Dec 2024 287th nullie 455 198 14 Jun 2022 288th janbehrens 🇩🇪 450 218 4 Dec 2024 289th albanian-laundromat 449 328 28 mins ago 290th elgan65536 446 387 10 Apr 2024 291st jakobkordez 🇸🇮 439 205 30 Oct 2022 292nd rucin93 🇵🇱 436 196 5 Jan 2025 293rd CatsAreFluffy 435 207 17 Feb 2024 294th MeWhenI 🇻🇦 434 480 18 Mar 2024 295th Natanaelel 🇸🇪 434 737 19 Feb 2024 296th StefanHabel 🇨🇦 433 208 8 Apr 2024 297th OllieBoyne 🇬🇧 427 211 19 Aug 2022 298th h3ra993huskp 🇯🇵 421 372 6 May 2024 299th mathisfun271 419 215 12 Feb 2024 300th andrewjc2000 417 216 15 May 2025 Prev 226–300 of 413 Next