Morse 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 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 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 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 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 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 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 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 526th Emutis 🇱🇹 304 294 2 Aug 2025 527th TimCurwick 🇺🇸 301 305 28 Jul 2020 528th neihousaigaai 299 327 14 May 2021 529th s-g-stavely 299 414 11 May 2021 530th chunky 299 832 1 Oct 2020 531st BenBanerjeeRichards 298 300 12 Nov 2021 532nd yokasuretsu 297 223 28 Jun 2018 533rd Yewzir 🇧🇪 296 293 15 Jan 2024 534th MaxCastella 🇫🇷 296 310 15 Mar 2024 535th fgrosshans 🇫🇷 294 304 9 May 2023 536th msbranicky 293 565 13 Aug 2023 537th Yewzir 🇧🇪 292 434 26 Dec 2024 538th MeWhenI 🇻🇦 290 1,316 28 Aug 2023 539th eiburns 289 309 25 Aug 2023 540th tomh1012 288 340 20 Oct 2020 541st jmerle 🇳🇱 286 313 11 Jul 2023 542nd dokutan 286 871 9 Dec 2024 543rd mizuzimu 284 315 16 Mar 2021 544th LordSir101 284 344 16 Aug 2025 545th omurakazuaki 🇯🇵 284 345 17 Feb 2021 546th olligobber 🇦🇺 284 631 22 May 2020 547th McErer 283 346 14 Jan 2019 548th robymus 281 246 18 Sep 2018 549th mathisfun271 281 318 19 Feb 2024 550th KatieLG 🇬🇧 281 332 25 Apr 2021 551st patbassing 280 319 8 Jul 2019 551st dymowski 280 319 3 Jan 2020 553rd arcage 🇯🇵 278 336 10 Aug 2021 554th KatieLG 🇬🇧 277 353 4 Feb 2022 555th choroba 276 225 3 May 2018 556th lukasmoellerch 276 355 15 Jul 2019 557th SteveL-MSFT 275 333 10 Jun 2020 558th NicoAdams 274 326 30 Dec 2021 559th graft 273 253 10 Mar 2018 560th relet 273 328 9 Aug 2018 560th TobyBoyne 🇬🇧 273 328 15 Apr 2022 562nd madeforlosers 273 358 23 Oct 2024 563rd aaronze 🇦🇺 273 359 1 Apr 2021 564th zdzc 272 329 1 Apr 2018 565th LeeCamp 271 330 25 Dec 2021 565th neihousaigaai 271 330 14 Feb 2024 567th 007lock 271 698 11 May 2020 568th dokutan 270 290 12 Feb 2025 569th kurkale6ka 270 331 29 Dec 2023 570th pg98 270 363 5 Sep 2019 571st alemelis 265 285 6 Aug 2024 572nd tpaxman 🇨🇦 265 338 17 Dec 2020 573rd dijs 264 370 20 Dec 2019 573rd SpareManiKatti 264 370 14 Oct 2021 575th OllieBoyne 🇬🇧 263 340 14 Apr 2022 576th retrohun 261 401 19 days ago 577th dokutan 261 725 3 Jul 2025 578th dsntzn 🇸🇰 260 377 3 Mar 2021 579th 77Tigers 259 346 2 Mar 2021 580th D1CED 259 612 17 Nov 2021 581st jfallon1997 256 349 24 Aug 2022 582nd inverseLorentz 🇦🇺 255 351 11 Mar 2024 583rd ian-h-chamberlain 🇺🇸 255 705 12 Oct 2020 584th TaserTheFox 🇺🇸 253 354 4 Apr 2023 585th mcreenan 252 263 16 Jun 2018 586th dzshn 252 355 25 Nov 2020 587th acollett89 252 388 5 Aug 2025 588th vgamula 🇺🇦 251 356 8 Jul 2025 589th Pena86 251 357 31 Dec 2021 589th aksyristos 251 357 12 Mar 2023 591st varhammer 🇷🇺 250 583 5 Mar 2022 591st MeWhenI 🇻🇦 250 583 16 Apr 2023 593rd Psirving 248 360 2 Aug 2020 593rd qwjhvbxi 248 360 12 Feb 2024 595th Agazoth 248 370 12 Jun 2020 596th TheAristos 247 362 30 Oct 2019 597th mintypython 247 397 19 Oct 2018 598th dokutan 244 283 21 Apr 2025 599th MeWhenI 🇻🇦 244 837 27 Jul 2023 600th adj97 241 371 22 Mar 2020 Prev 526–600 of 838 Next