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 Mandelbrot 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 Topological Sort 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 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Knight 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 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 Mandelbrot 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 Topological Sort 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 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 annaproxy 609 309 4 Sep 2022 227th emgordon154 606 162 7 Aug 2024 228th postie77 603 193 24 Mar 2023 229th stefangimmillaro 602 195 12 Nov 2024 230th MeWhenI 🇻🇦 601 147 28 Feb 2024 231st rucin93 🇵🇱 601 150 31 May 2025 232nd jared-hughes 599 164 9 Apr 2022 233rd bac0id 598 208 25 Jun 2024 234th MeWhenI 🇻🇦 590 191 28 Feb 2024 235th Steffan153 🇫🇮 589 124 31 Jul 2024 236th RaBa21 🇭🇺 589 153 27 days ago 237th NewDefectus 🇮🇱 588 167 21 Sep 2021 238th DialFrost 🇸🇬 581 201 18 Jan 2024 239th scpchicken 🇵🇼 581 324 17 Mar 2023 240th MeWhenI 🇻🇦 579 272 14 Jun 2023 241st wh3n3v3r 🇨🇿 574 157 14 Nov 2024 242nd bac0id 574 185 25 Jun 2024 243rd edsrzf 🇳🇿 574 265 22 Jun 2025 244th lynn 573 96 3 Apr 2023 245th MeWhenI 🇻🇦 573 138 28 Feb 2024 246th SB-945 570 158 14 Mar 2024 246th mossiegoat 570 158 14 hours ago 248th lynn 569 303 31 Mar 2022 248th andersk 🇺🇸 569 303 1 Nov 2022 250th Steffan153 🇫🇮 566 148 31 Jul 2024 250th dokutan 566 148 20 Apr 2025 252nd albanian-laundromat 563 160 27 Jun 2025 253rd jared-hughes 560 135 25 May 2022 254th bac0id 559 208 25 Jun 2024 255th primo-ppcg 🇹🇭 557 131 28 Sep 2021 255th olleicua 🇺🇸 557 131 20 Feb 2025 257th 5cw 🇺🇸 550 164 8 May 2024 258th snoozingnewt 🇺🇸 546 165 23 Sep 2023 258th FlorianCassayre 🇫🇷 546 165 21 Oct 2023 260th MeWhenI 🇻🇦 545 148 28 Feb 2024 261st AlephSquirrel 543 166 10 Jun 2023 261st bricknellj 543 166 3 Apr 2025 263rd lynn 540 167 13 Feb 2023 264th KrausRaus 🇺🇸 539 182 30 Jun 2024 265th DialFrost 🇸🇬 538 221 29 Jan 2024 266th tayloia 🇬🇧 536 183 4 May 2023 267th ovs-code 🇩🇪 534 151 10 Mar 2024 268th lynn 531 158 17 Feb 2024 268th AlephSquirrel 531 158 12 Jan 2025 270th emgordon154 531 161 18 Oct 2024 271st MichalMarsalek 🇨🇿 529 266 12 Oct 2023 272nd emplv 🇱🇻 524 163 28 Mar 2025 273rd bac0id 524 275 25 Jun 2024 274th janbehrens 🇩🇪 520 301 4 Dec 2024 275th retrohun 518 259 23 Nov 2022 276th Natanaelel 🇸🇪 518 363 16 Jun 2025 277th Natanaelel 🇸🇪 514 142 18 Sep 2021 278th jared-hughes 510 143 10 Sep 2022 279th prplz 🇦🇺 503 179 13 Jan 2024 280th jared-hughes 501 180 9 Apr 2022 281st stefangimmillaro 497 147 12 May 2024 282nd MeWhenI 🇻🇦 497 172 5 Jan 2025 283rd Seek64 🇩🇪 492 183 17 Jun 2025 284th snoozingnewt 🇺🇸 491 284 14 Oct 2023 285th janbehrens 🇩🇪 490 238 4 Dec 2024 286th inventshah 474 190 12 Nov 2022 286th stefangimmillaro 474 190 8 Aug 2023 288th p-vf 🇨🇭 473 246 21 Nov 2021 289th janbehrens 🇩🇪 469 286 13 Sep 2022 290th yzhs 🇩🇪 467 193 4 Jun 2022 291st MeWhenI 🇻🇦 466 256 28 Feb 2024 292nd yuchuehw 465 194 6 Jan 2024 293rd MeWhenI 🇻🇦 465 268 4 Mar 2022 294th janbehrens 🇩🇪 458 254 4 Dec 2024 295th nullie 455 198 14 Jun 2022 296th janbehrens 🇩🇪 450 218 4 Dec 2024 297th elgan65536 446 387 10 Apr 2024 298th jakobkordez 🇸🇮 440 205 30 Oct 2022 299th rucin93 🇵🇱 436 196 5 Jan 2025 300th CatsAreFluffy 435 207 17 Feb 2024 Prev 226–300 of 424 Next