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 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 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 226th stefangimmillaro 627 255 176ms 24 Jul 2023 227th jared-hughes 618 180 2ms 9 Apr 2022 228th error256 618 223 8ms 29 Jul 2024 229th AdrienHache 🇫🇷 614 188 362ms 25 Jul 2025 230th KatieLG 🇬🇧 610 136 536ms 28 Oct 2024 231st dokutan 610 147 23ms 10 Sep 2025 232nd AlephSquirrel 609 247 5ms 27 Jan 2025 233rd MeWhenI 🇻🇦 607 176 139ms 4 Sep 2024 234th stefangimmillaro 605 159 1,169ms 20 Oct 2023 235th annaproxy 605 309 146ms 4 Sep 2022 236th emgordon154 602 162 10ms 7 Aug 2024 237th rucin93 🇵🇱 598 150 17ms 31 May 2025 237th Babafaba 598 150 16ms 16 days ago 239th postie77 598 193 362ms 24 Mar 2023 240th stefangimmillaro 595 195 3,461ms 12 Nov 2024 241st jared-hughes 594 164 9ms 9 Apr 2022 242nd bac0id 592 208 370ms 25 Jun 2024 243rd qpwoeirut 590 152 18ms 5 Oct 2025 244th MeWhenI 🇻🇦 589 147 221ms 28 Feb 2024 245th RaBa21 🇭🇺 586 153 21ms 31 Jul 2025 246th NewDefectus 🇮🇱 584 167 9ms 21 Sep 2021 247th MeWhenI 🇻🇦 582 191 2ms 28 Feb 2024 248th Steffan153 🇫🇮 581 124 35ms 31 Jul 2024 249th scpchicken 🇵🇼 577 324 149ms 17 Mar 2023 250th DialFrost 🇸🇬 575 201 4ms 18 Jan 2024 251st MeWhenI 🇻🇦 574 272 1,275ms 14 Jun 2023 252nd KatieLG 🇬🇧 573 170 10ms 5 Oct 2025 253rd wh3n3v3r 🇨🇿 571 157 18ms 14 Nov 2024 254th bac0id 569 185 2ms 25 Jun 2024 255th Babafaba 568 146 345ms 16 days ago 256th SB-945 567 158 14ms 14 Mar 2024 256th mossiegoat 567 158 17ms 27 Aug 2025 258th dokutan 565 147 417ms 10 Sep 2025 259th lynn 565 303 153ms 31 Mar 2022 259th andersk 🇺🇸 565 303 227ms 1 Nov 2022 261st MeWhenI 🇻🇦 564 138 3ms 28 Feb 2024 262nd Steffan153 🇫🇮 561 148 598ms 31 Jul 2024 263rd albanian-laundromat 560 160 16ms 27 Jun 2025 264th bac0id 555 208 361ms 25 Jun 2024 265th jared-hughes 551 135 40ms 25 May 2022 266th primo-ppcg 🇹🇭 550 131 38ms 28 Sep 2021 266th olleicua 🇺🇸 550 131 44ms 20 Feb 2025 268th 5cw 🇺🇸 547 164 9ms 8 May 2024 269th snoozingnewt 🇺🇸 543 165 12ms 23 Sep 2023 269th FlorianCassayre 🇫🇷 543 165 11ms 21 Oct 2023 271st AlephSquirrel 540 166 13ms 10 Jun 2023 271st bricknellj 540 166 16ms 3 Apr 2025 273rd MeWhenI 🇻🇦 537 148 456ms 28 Feb 2024 274th lynn 537 167 13ms 13 Feb 2023 275th KrausRaus 🇺🇸 536 182 10ms 30 Jun 2024 276th tayloia 🇬🇧 533 183 9ms 4 May 2023 277th DialFrost 🇸🇬 532 221 2ms 29 Jan 2024 278th ovs-code 🇩🇪 526 151 738ms 10 Mar 2024 279th lynn 525 158 706ms 17 Feb 2024 279th AlephSquirrel 525 158 465ms 12 Jan 2025 281st emgordon154 523 161 140ms 18 Oct 2024 282nd MichalMarsalek 🇨🇿 523 266 351ms 12 Oct 2023 283rd Salutations45 521 187 9ms 15 Oct 2025 284th bac0id 519 275 115ms 25 Jun 2024 285th emplv 🇱🇻 517 163 140ms 28 Mar 2025 286th snoozingnewt 🇺🇸 516 161 560ms 28 Sep 2025 287th Natanaelel 🇸🇪 515 363 172ms 16 Jun 2025 288th retrohun 513 259 58ms 23 Nov 2022 289th bac0id 508 257 303ms 25 Jun 2024 290th Natanaelel 🇸🇪 507 142 37ms 18 Sep 2021 291st edsrzf 🇳🇿 504 178 23ms 4 Oct 2025 292nd jared-hughes 503 143 35ms 10 Sep 2022 293rd prplz 🇦🇺 501 179 10ms 13 Jan 2024 294th lynn 500 96 36ms 3 Apr 2023 295th jared-hughes 498 180 17ms 9 Apr 2022 296th jerrandolph 497 306 266ms 25 Sep 2025 297th stefangimmillaro 490 147 41ms 12 May 2024 298th MeWhenI 🇻🇦 490 172 134ms 5 Jan 2025 299th Seek64 🇩🇪 490 183 33ms 17 Jun 2025 300th janbehrens 🇩🇪 485 238 4ms 4 Dec 2024 First Prev 226–300 of 444 Next Last